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Write the same code in C as shown below in Icon.
link printf,lists procedure main() BruteZeroSubset(string2table( "alliance/-624/archbishop/-915/balm/397/bonnet/452/brute/870/_ centipede/-658/cobol/362/covariate/590/departure/952/deploy/44/_ diophantine/645/efferent/54/elysee/-326/eradicate/376/escritoire/856/_ exorcism/-983/fiat/170/filmy/-874/flatworm/503/gestapo/915/infra/-847/_ isis/-982/lindholm/999/markham/475/mincemeat/-880/moresby/756/_ mycenae/183/plugging/-266/smokescreen/423/speakeasy/-745/vein/813/")) end procedure BruteZeroSubset(words) every n := 1 to *words do { every t := tcomb(words,n) do { every (sum := 0) +:= words[!t] if sum = 0 then { printf("A zero-sum subset of length %d : %s\n",n,list2string(sort(t))) break next } } printf("No zero-sum subsets of length %d\n",n) } end procedure tcomb(T, i) local K every put(K := [],key(T)) every suspend lcomb(K,i) end procedure list2string(L) every (s := "[ ") ||:= !L || " " return s || "]" end procedure string2table(s,d) T := table() /d := "/" s ? until pos(0) do T[1(tab(find(d)),=d)] := numeric(1(tab(find(d)),=d)) return T end
#include <stdio.h> #include <stdlib.h> typedef struct { char *word; int weight; } item_t; item_t items[] = { {"alliance", -624}, {"archbishop", -915}, {"balm", 397}, {"bonnet", 452}, {"brute", 870}, {"centipede", -658}, {"cobol", 362}, {"covariate", 590}, {"departure", 952}, {"deploy", 44}, {"diophantine", 645}, {"efferent", 54}, {"elysee", -326}, {"eradicate", 376}, {"escritoire", 856}, {"exorcism", -983}, {"fiat", 170}, {"filmy", -874}, {"flatworm", 503}, {"gestapo", 915}, {"infra", -847}, {"isis", -982}, {"lindholm", 999}, {"markham", 475}, {"mincemeat", -880}, {"moresby", 756}, {"mycenae", 183}, {"plugging", -266}, {"smokescreen", 423}, {"speakeasy", -745}, {"vein", 813}, }; int n = sizeof (items) / sizeof (item_t); int *set; void subsum (int i, int weight) { int j; if (i && !weight) { for (j = 0; j < i; j++) { item_t item = items[set[j]]; printf("%s%s", j ? " " : "", items[set[j]].word); } printf("\n"); } for (j = i ? set[i - 1] + 1: 0; j < n; j++) { set[i] = j; subsum(i + 1, weight + items[j].weight); } } int main () { set = malloc(n * sizeof (int)); subsum(0, 0); return 0; }
Write the same algorithm in C# as shown in this Icon implementation.
link printf,lists procedure main() BruteZeroSubset(string2table( "alliance/-624/archbishop/-915/balm/397/bonnet/452/brute/870/_ centipede/-658/cobol/362/covariate/590/departure/952/deploy/44/_ diophantine/645/efferent/54/elysee/-326/eradicate/376/escritoire/856/_ exorcism/-983/fiat/170/filmy/-874/flatworm/503/gestapo/915/infra/-847/_ isis/-982/lindholm/999/markham/475/mincemeat/-880/moresby/756/_ mycenae/183/plugging/-266/smokescreen/423/speakeasy/-745/vein/813/")) end procedure BruteZeroSubset(words) every n := 1 to *words do { every t := tcomb(words,n) do { every (sum := 0) +:= words[!t] if sum = 0 then { printf("A zero-sum subset of length %d : %s\n",n,list2string(sort(t))) break next } } printf("No zero-sum subsets of length %d\n",n) } end procedure tcomb(T, i) local K every put(K := [],key(T)) every suspend lcomb(K,i) end procedure list2string(L) every (s := "[ ") ||:= !L || " " return s || "]" end procedure string2table(s,d) T := table() /d := "/" s ? until pos(0) do T[1(tab(find(d)),=d)] := numeric(1(tab(find(d)),=d)) return T end
using System; using System.Collections.Generic; namespace SubsetSum { class Item { public Item(string word, int weight) { Word = word; Weight = weight; } public string Word { get; set; } public int Weight { get; set; } public override string ToString() { return string.Format("({0}, {1})", Word, Weight); } } class Program { private static readonly List<Item> items = new List<Item>() { new Item("alliance", -624), new Item("archbishop", -915), new Item("balm", 397), new Item("bonnet", 452), new Item("brute", 870), new Item("centipede", -658), new Item("cobol", 362), new Item("covariate", 590), new Item("departure", 952), new Item("deploy", 44), new Item("diophantine", 645), new Item("efferent", 54), new Item("elysee", -326), new Item("eradicate", 376), new Item("escritoire", 856), new Item("exorcism", -983), new Item("fiat", 170), new Item("filmy", -874), new Item("flatworm", 503), new Item("gestapo", 915), new Item("infra", -847), new Item("isis", -982), new Item("lindholm", 999), new Item("markham", 475), new Item("mincemeat", -880), new Item("moresby", 756), new Item("mycenae", 183), new Item("plugging", -266), new Item("smokescreen", 423), new Item("speakeasy", -745), new Item("vein", 813), }; private static readonly int n = items.Count; private static readonly int LIMIT = 5; private static int[] indices = new int[n]; private static int count = 0; private static void ZeroSum(int i, int w) { if (i != 0 && w == 0) { for (int j = 0; j < i; j++) { Console.Write("{0} ", items[indices[j]]); } Console.WriteLine("\n"); if (count < LIMIT) count++; else return; } int k = (i != 0) ? indices[i - 1] + 1 : 0; for (int j = k; j < n; j++) { indices[i] = j; ZeroSum(i + 1, w + items[j].Weight); if (count == LIMIT) return; } } static void Main(string[] args) { Console.WriteLine("The weights of the following {0} subsets add up to zero:\n", LIMIT); ZeroSum(0, 0); } } }
Maintain the same structure and functionality when rewriting this code in C#.
link printf,lists procedure main() BruteZeroSubset(string2table( "alliance/-624/archbishop/-915/balm/397/bonnet/452/brute/870/_ centipede/-658/cobol/362/covariate/590/departure/952/deploy/44/_ diophantine/645/efferent/54/elysee/-326/eradicate/376/escritoire/856/_ exorcism/-983/fiat/170/filmy/-874/flatworm/503/gestapo/915/infra/-847/_ isis/-982/lindholm/999/markham/475/mincemeat/-880/moresby/756/_ mycenae/183/plugging/-266/smokescreen/423/speakeasy/-745/vein/813/")) end procedure BruteZeroSubset(words) every n := 1 to *words do { every t := tcomb(words,n) do { every (sum := 0) +:= words[!t] if sum = 0 then { printf("A zero-sum subset of length %d : %s\n",n,list2string(sort(t))) break next } } printf("No zero-sum subsets of length %d\n",n) } end procedure tcomb(T, i) local K every put(K := [],key(T)) every suspend lcomb(K,i) end procedure list2string(L) every (s := "[ ") ||:= !L || " " return s || "]" end procedure string2table(s,d) T := table() /d := "/" s ? until pos(0) do T[1(tab(find(d)),=d)] := numeric(1(tab(find(d)),=d)) return T end
using System; using System.Collections.Generic; namespace SubsetSum { class Item { public Item(string word, int weight) { Word = word; Weight = weight; } public string Word { get; set; } public int Weight { get; set; } public override string ToString() { return string.Format("({0}, {1})", Word, Weight); } } class Program { private static readonly List<Item> items = new List<Item>() { new Item("alliance", -624), new Item("archbishop", -915), new Item("balm", 397), new Item("bonnet", 452), new Item("brute", 870), new Item("centipede", -658), new Item("cobol", 362), new Item("covariate", 590), new Item("departure", 952), new Item("deploy", 44), new Item("diophantine", 645), new Item("efferent", 54), new Item("elysee", -326), new Item("eradicate", 376), new Item("escritoire", 856), new Item("exorcism", -983), new Item("fiat", 170), new Item("filmy", -874), new Item("flatworm", 503), new Item("gestapo", 915), new Item("infra", -847), new Item("isis", -982), new Item("lindholm", 999), new Item("markham", 475), new Item("mincemeat", -880), new Item("moresby", 756), new Item("mycenae", 183), new Item("plugging", -266), new Item("smokescreen", 423), new Item("speakeasy", -745), new Item("vein", 813), }; private static readonly int n = items.Count; private static readonly int LIMIT = 5; private static int[] indices = new int[n]; private static int count = 0; private static void ZeroSum(int i, int w) { if (i != 0 && w == 0) { for (int j = 0; j < i; j++) { Console.Write("{0} ", items[indices[j]]); } Console.WriteLine("\n"); if (count < LIMIT) count++; else return; } int k = (i != 0) ? indices[i - 1] + 1 : 0; for (int j = k; j < n; j++) { indices[i] = j; ZeroSum(i + 1, w + items[j].Weight); if (count == LIMIT) return; } } static void Main(string[] args) { Console.WriteLine("The weights of the following {0} subsets add up to zero:\n", LIMIT); ZeroSum(0, 0); } } }
Port the provided Icon code into C++ while preserving the original functionality.
link printf,lists procedure main() BruteZeroSubset(string2table( "alliance/-624/archbishop/-915/balm/397/bonnet/452/brute/870/_ centipede/-658/cobol/362/covariate/590/departure/952/deploy/44/_ diophantine/645/efferent/54/elysee/-326/eradicate/376/escritoire/856/_ exorcism/-983/fiat/170/filmy/-874/flatworm/503/gestapo/915/infra/-847/_ isis/-982/lindholm/999/markham/475/mincemeat/-880/moresby/756/_ mycenae/183/plugging/-266/smokescreen/423/speakeasy/-745/vein/813/")) end procedure BruteZeroSubset(words) every n := 1 to *words do { every t := tcomb(words,n) do { every (sum := 0) +:= words[!t] if sum = 0 then { printf("A zero-sum subset of length %d : %s\n",n,list2string(sort(t))) break next } } printf("No zero-sum subsets of length %d\n",n) } end procedure tcomb(T, i) local K every put(K := [],key(T)) every suspend lcomb(K,i) end procedure list2string(L) every (s := "[ ") ||:= !L || " " return s || "]" end procedure string2table(s,d) T := table() /d := "/" s ? until pos(0) do T[1(tab(find(d)),=d)] := numeric(1(tab(find(d)),=d)) return T end
#include <iostream> #include <vector> std::ostream& operator<<(std::ostream& out, const std::string& str) { return out << str.c_str(); } std::vector<std::pair<std::string, int>> items{ {"alliance", -624}, {"archbishop", -915}, {"balm", 397}, {"bonnet", 452}, {"brute", 870}, {"centipede", -658}, {"cobol", 362}, {"covariate", 590}, {"departure", 952}, {"deploy", 44}, {"diophantine", 645}, {"efferent", 54}, {"elysee", -326}, {"eradicate", 376}, {"escritoire", 856}, {"exorcism", -983}, {"fiat", 170}, {"filmy", -874}, {"flatworm", 503}, {"gestapo", 915}, {"infra", -847}, {"isis", -982}, {"lindholm", 999}, {"markham", 475}, {"mincemeat", -880}, {"moresby", 756}, {"mycenae", 183}, {"plugging", -266}, {"smokescreen", 423}, {"speakeasy", -745}, {"vein", 813}, }; std::vector<int> indices; int count = 0; const int LIMIT = 5; void subsum(int i, int weight) { if (i != 0 && weight == 0) { for (int j = 0; j < i; ++j) { auto item = items[indices[j]]; std::cout << (j ? " " : "") << item.first; } std::cout << '\n'; if (count < LIMIT) count++; else return; } int k = (i != 0) ? indices[i - 1] + 1 : 0; for (int j = k; j < items.size(); ++j) { indices[i] = j; subsum(i + 1, weight + items[j].second); if (count == LIMIT) return; } } int main() { indices.resize(items.size()); subsum(0, 0); return 0; }
Write a version of this Icon function in C++ with identical behavior.
link printf,lists procedure main() BruteZeroSubset(string2table( "alliance/-624/archbishop/-915/balm/397/bonnet/452/brute/870/_ centipede/-658/cobol/362/covariate/590/departure/952/deploy/44/_ diophantine/645/efferent/54/elysee/-326/eradicate/376/escritoire/856/_ exorcism/-983/fiat/170/filmy/-874/flatworm/503/gestapo/915/infra/-847/_ isis/-982/lindholm/999/markham/475/mincemeat/-880/moresby/756/_ mycenae/183/plugging/-266/smokescreen/423/speakeasy/-745/vein/813/")) end procedure BruteZeroSubset(words) every n := 1 to *words do { every t := tcomb(words,n) do { every (sum := 0) +:= words[!t] if sum = 0 then { printf("A zero-sum subset of length %d : %s\n",n,list2string(sort(t))) break next } } printf("No zero-sum subsets of length %d\n",n) } end procedure tcomb(T, i) local K every put(K := [],key(T)) every suspend lcomb(K,i) end procedure list2string(L) every (s := "[ ") ||:= !L || " " return s || "]" end procedure string2table(s,d) T := table() /d := "/" s ? until pos(0) do T[1(tab(find(d)),=d)] := numeric(1(tab(find(d)),=d)) return T end
#include <iostream> #include <vector> std::ostream& operator<<(std::ostream& out, const std::string& str) { return out << str.c_str(); } std::vector<std::pair<std::string, int>> items{ {"alliance", -624}, {"archbishop", -915}, {"balm", 397}, {"bonnet", 452}, {"brute", 870}, {"centipede", -658}, {"cobol", 362}, {"covariate", 590}, {"departure", 952}, {"deploy", 44}, {"diophantine", 645}, {"efferent", 54}, {"elysee", -326}, {"eradicate", 376}, {"escritoire", 856}, {"exorcism", -983}, {"fiat", 170}, {"filmy", -874}, {"flatworm", 503}, {"gestapo", 915}, {"infra", -847}, {"isis", -982}, {"lindholm", 999}, {"markham", 475}, {"mincemeat", -880}, {"moresby", 756}, {"mycenae", 183}, {"plugging", -266}, {"smokescreen", 423}, {"speakeasy", -745}, {"vein", 813}, }; std::vector<int> indices; int count = 0; const int LIMIT = 5; void subsum(int i, int weight) { if (i != 0 && weight == 0) { for (int j = 0; j < i; ++j) { auto item = items[indices[j]]; std::cout << (j ? " " : "") << item.first; } std::cout << '\n'; if (count < LIMIT) count++; else return; } int k = (i != 0) ? indices[i - 1] + 1 : 0; for (int j = k; j < items.size(); ++j) { indices[i] = j; subsum(i + 1, weight + items[j].second); if (count == LIMIT) return; } } int main() { indices.resize(items.size()); subsum(0, 0); return 0; }
Transform the following Icon implementation into Java, maintaining the same output and logic.
link printf,lists procedure main() BruteZeroSubset(string2table( "alliance/-624/archbishop/-915/balm/397/bonnet/452/brute/870/_ centipede/-658/cobol/362/covariate/590/departure/952/deploy/44/_ diophantine/645/efferent/54/elysee/-326/eradicate/376/escritoire/856/_ exorcism/-983/fiat/170/filmy/-874/flatworm/503/gestapo/915/infra/-847/_ isis/-982/lindholm/999/markham/475/mincemeat/-880/moresby/756/_ mycenae/183/plugging/-266/smokescreen/423/speakeasy/-745/vein/813/")) end procedure BruteZeroSubset(words) every n := 1 to *words do { every t := tcomb(words,n) do { every (sum := 0) +:= words[!t] if sum = 0 then { printf("A zero-sum subset of length %d : %s\n",n,list2string(sort(t))) break next } } printf("No zero-sum subsets of length %d\n",n) } end procedure tcomb(T, i) local K every put(K := [],key(T)) every suspend lcomb(K,i) end procedure list2string(L) every (s := "[ ") ||:= !L || " " return s || "]" end procedure string2table(s,d) T := table() /d := "/" s ? until pos(0) do T[1(tab(find(d)),=d)] := numeric(1(tab(find(d)),=d)) return T end
public class SubsetSum { private static class Item { private String word; private int weight; public Item(String word, int weight) { this.word = word; this.weight = weight; } @Override public String toString() { return String.format("(%s, %d)", word, weight); } } private static Item[] items = new Item[]{ new Item("alliance", -624), new Item("archbishop", -915), new Item("balm", 397), new Item("bonnet", 452), new Item("brute", 870), new Item("centipede", -658), new Item("cobol", 362), new Item("covariate", 590), new Item("departure", 952), new Item("deploy", 44), new Item("diophantine", 645), new Item("efferent", 54), new Item("elysee", -326), new Item("eradicate", 376), new Item("escritoire", 856), new Item("exorcism", -983), new Item("fiat", 170), new Item("filmy", -874), new Item("flatworm", 503), new Item("gestapo", 915), new Item("infra", -847), new Item("isis", -982), new Item("lindholm", 999), new Item("markham", 475), new Item("mincemeat", -880), new Item("moresby", 756), new Item("mycenae", 183), new Item("plugging", -266), new Item("smokescreen", 423), new Item("speakeasy", -745), new Item("vein", 813), }; private static final int n = items.length; private static final int[] indices = new int[n]; private static int count = 0; private static final int LIMIT = 5; private static void zeroSum(int i, int w) { if (i != 0 && w == 0) { for (int j = 0; j < i; ++j) { System.out.printf("%s ", items[indices[j]]); } System.out.println("\n"); if (count < LIMIT) count++; else return; } int k = (i != 0) ? indices[i - 1] + 1 : 0; for (int j = k; j < n; ++j) { indices[i] = j; zeroSum(i + 1, w + items[j].weight); if (count == LIMIT) return; } } public static void main(String[] args) { System.out.printf("The weights of the following %d subsets add up to zero:\n\n", LIMIT); zeroSum(0, 0); } }
Rewrite the snippet below in Java so it works the same as the original Icon code.
link printf,lists procedure main() BruteZeroSubset(string2table( "alliance/-624/archbishop/-915/balm/397/bonnet/452/brute/870/_ centipede/-658/cobol/362/covariate/590/departure/952/deploy/44/_ diophantine/645/efferent/54/elysee/-326/eradicate/376/escritoire/856/_ exorcism/-983/fiat/170/filmy/-874/flatworm/503/gestapo/915/infra/-847/_ isis/-982/lindholm/999/markham/475/mincemeat/-880/moresby/756/_ mycenae/183/plugging/-266/smokescreen/423/speakeasy/-745/vein/813/")) end procedure BruteZeroSubset(words) every n := 1 to *words do { every t := tcomb(words,n) do { every (sum := 0) +:= words[!t] if sum = 0 then { printf("A zero-sum subset of length %d : %s\n",n,list2string(sort(t))) break next } } printf("No zero-sum subsets of length %d\n",n) } end procedure tcomb(T, i) local K every put(K := [],key(T)) every suspend lcomb(K,i) end procedure list2string(L) every (s := "[ ") ||:= !L || " " return s || "]" end procedure string2table(s,d) T := table() /d := "/" s ? until pos(0) do T[1(tab(find(d)),=d)] := numeric(1(tab(find(d)),=d)) return T end
public class SubsetSum { private static class Item { private String word; private int weight; public Item(String word, int weight) { this.word = word; this.weight = weight; } @Override public String toString() { return String.format("(%s, %d)", word, weight); } } private static Item[] items = new Item[]{ new Item("alliance", -624), new Item("archbishop", -915), new Item("balm", 397), new Item("bonnet", 452), new Item("brute", 870), new Item("centipede", -658), new Item("cobol", 362), new Item("covariate", 590), new Item("departure", 952), new Item("deploy", 44), new Item("diophantine", 645), new Item("efferent", 54), new Item("elysee", -326), new Item("eradicate", 376), new Item("escritoire", 856), new Item("exorcism", -983), new Item("fiat", 170), new Item("filmy", -874), new Item("flatworm", 503), new Item("gestapo", 915), new Item("infra", -847), new Item("isis", -982), new Item("lindholm", 999), new Item("markham", 475), new Item("mincemeat", -880), new Item("moresby", 756), new Item("mycenae", 183), new Item("plugging", -266), new Item("smokescreen", 423), new Item("speakeasy", -745), new Item("vein", 813), }; private static final int n = items.length; private static final int[] indices = new int[n]; private static int count = 0; private static final int LIMIT = 5; private static void zeroSum(int i, int w) { if (i != 0 && w == 0) { for (int j = 0; j < i; ++j) { System.out.printf("%s ", items[indices[j]]); } System.out.println("\n"); if (count < LIMIT) count++; else return; } int k = (i != 0) ? indices[i - 1] + 1 : 0; for (int j = k; j < n; ++j) { indices[i] = j; zeroSum(i + 1, w + items[j].weight); if (count == LIMIT) return; } } public static void main(String[] args) { System.out.printf("The weights of the following %d subsets add up to zero:\n\n", LIMIT); zeroSum(0, 0); } }
Port the following code from Icon to Python with equivalent syntax and logic.
link printf,lists procedure main() BruteZeroSubset(string2table( "alliance/-624/archbishop/-915/balm/397/bonnet/452/brute/870/_ centipede/-658/cobol/362/covariate/590/departure/952/deploy/44/_ diophantine/645/efferent/54/elysee/-326/eradicate/376/escritoire/856/_ exorcism/-983/fiat/170/filmy/-874/flatworm/503/gestapo/915/infra/-847/_ isis/-982/lindholm/999/markham/475/mincemeat/-880/moresby/756/_ mycenae/183/plugging/-266/smokescreen/423/speakeasy/-745/vein/813/")) end procedure BruteZeroSubset(words) every n := 1 to *words do { every t := tcomb(words,n) do { every (sum := 0) +:= words[!t] if sum = 0 then { printf("A zero-sum subset of length %d : %s\n",n,list2string(sort(t))) break next } } printf("No zero-sum subsets of length %d\n",n) } end procedure tcomb(T, i) local K every put(K := [],key(T)) every suspend lcomb(K,i) end procedure list2string(L) every (s := "[ ") ||:= !L || " " return s || "]" end procedure string2table(s,d) T := table() /d := "/" s ? until pos(0) do T[1(tab(find(d)),=d)] := numeric(1(tab(find(d)),=d)) return T end
words = { "alliance": -624, "archbishop": -925, "balm": 397, "bonnet": 452, "brute": 870, "centipede": -658, "cobol": 362, "covariate": 590, "departure": 952, "deploy": 44, "diophantine": 645, "efferent": 54, "elysee": -326, "eradicate": 376, "escritoire": 856, "exorcism": -983, "fiat": 170, "filmy": -874, "flatworm": 503, "gestapo": 915, "infra": -847, "isis": -982, "lindholm": 999, "markham": 475, "mincemeat": -880, "moresby": 756, "mycenae": 183, "plugging": -266, "smokescreen": 423, "speakeasy": -745, "vein": 813 } neg = 0 pos = 0 for (w,v) in words.iteritems(): if v > 0: pos += v else: neg += v sums = [0] * (pos - neg + 1) for (w,v) in words.iteritems(): s = sums[:] if not s[v - neg]: s[v - neg] = (w,) for (i, w2) in enumerate(sums): if w2 and not s[i + v]: s[i + v] = w2 + (w,) sums = s if s[-neg]: for x in s[-neg]: print(x, words[x]) break
Rewrite the snippet below in Python so it works the same as the original Icon code.
link printf,lists procedure main() BruteZeroSubset(string2table( "alliance/-624/archbishop/-915/balm/397/bonnet/452/brute/870/_ centipede/-658/cobol/362/covariate/590/departure/952/deploy/44/_ diophantine/645/efferent/54/elysee/-326/eradicate/376/escritoire/856/_ exorcism/-983/fiat/170/filmy/-874/flatworm/503/gestapo/915/infra/-847/_ isis/-982/lindholm/999/markham/475/mincemeat/-880/moresby/756/_ mycenae/183/plugging/-266/smokescreen/423/speakeasy/-745/vein/813/")) end procedure BruteZeroSubset(words) every n := 1 to *words do { every t := tcomb(words,n) do { every (sum := 0) +:= words[!t] if sum = 0 then { printf("A zero-sum subset of length %d : %s\n",n,list2string(sort(t))) break next } } printf("No zero-sum subsets of length %d\n",n) } end procedure tcomb(T, i) local K every put(K := [],key(T)) every suspend lcomb(K,i) end procedure list2string(L) every (s := "[ ") ||:= !L || " " return s || "]" end procedure string2table(s,d) T := table() /d := "/" s ? until pos(0) do T[1(tab(find(d)),=d)] := numeric(1(tab(find(d)),=d)) return T end
words = { "alliance": -624, "archbishop": -925, "balm": 397, "bonnet": 452, "brute": 870, "centipede": -658, "cobol": 362, "covariate": 590, "departure": 952, "deploy": 44, "diophantine": 645, "efferent": 54, "elysee": -326, "eradicate": 376, "escritoire": 856, "exorcism": -983, "fiat": 170, "filmy": -874, "flatworm": 503, "gestapo": 915, "infra": -847, "isis": -982, "lindholm": 999, "markham": 475, "mincemeat": -880, "moresby": 756, "mycenae": 183, "plugging": -266, "smokescreen": 423, "speakeasy": -745, "vein": 813 } neg = 0 pos = 0 for (w,v) in words.iteritems(): if v > 0: pos += v else: neg += v sums = [0] * (pos - neg + 1) for (w,v) in words.iteritems(): s = sums[:] if not s[v - neg]: s[v - neg] = (w,) for (i, w2) in enumerate(sums): if w2 and not s[i + v]: s[i + v] = w2 + (w,) sums = s if s[-neg]: for x in s[-neg]: print(x, words[x]) break
Generate an equivalent Go version of this Icon code.
link printf,lists procedure main() BruteZeroSubset(string2table( "alliance/-624/archbishop/-915/balm/397/bonnet/452/brute/870/_ centipede/-658/cobol/362/covariate/590/departure/952/deploy/44/_ diophantine/645/efferent/54/elysee/-326/eradicate/376/escritoire/856/_ exorcism/-983/fiat/170/filmy/-874/flatworm/503/gestapo/915/infra/-847/_ isis/-982/lindholm/999/markham/475/mincemeat/-880/moresby/756/_ mycenae/183/plugging/-266/smokescreen/423/speakeasy/-745/vein/813/")) end procedure BruteZeroSubset(words) every n := 1 to *words do { every t := tcomb(words,n) do { every (sum := 0) +:= words[!t] if sum = 0 then { printf("A zero-sum subset of length %d : %s\n",n,list2string(sort(t))) break next } } printf("No zero-sum subsets of length %d\n",n) } end procedure tcomb(T, i) local K every put(K := [],key(T)) every suspend lcomb(K,i) end procedure list2string(L) every (s := "[ ") ||:= !L || " " return s || "]" end procedure string2table(s,d) T := table() /d := "/" s ? until pos(0) do T[1(tab(find(d)),=d)] := numeric(1(tab(find(d)),=d)) return T end
package main import "fmt" type ww struct { word string weight int } var input = []*ww{ {"alliance", -624}, {"archbishop", -915}, {"balm", 397}, {"bonnet", 452}, {"brute", 870}, {"centipede", -658}, {"cobol", 362}, {"covariate", 590}, {"departure", 952}, {"deploy", 44}, {"diophantine", 645}, {"efferent", 54}, {"elysee", -326}, {"eradicate", 376}, {"escritoire", 856}, {"exorcism", -983}, {"fiat", 170}, {"filmy", -874}, {"flatworm", 503}, {"gestapo", 915}, {"infra", -847}, {"isis", -982}, {"lindholm", 999}, {"markham", 475}, {"mincemeat", -880}, {"moresby", 756}, {"mycenae", 183}, {"plugging", -266}, {"smokescreen", 423}, {"speakeasy", -745}, {"vein", 813}, } type sss struct { subset []*ww sum int } func main() { ps := []sss{{nil, 0}} for _, i := range input { pl := len(ps) for j := 0; j < pl; j++ { subset := append([]*ww{i}, ps[j].subset...) sum := i.weight + ps[j].sum if sum == 0 { fmt.Println("this subset sums to 0:") for _, i := range subset { fmt.Println(*i) } return } ps = append(ps, sss{subset, sum}) } } fmt.Println("no subset sums to 0") }
Please provide an equivalent version of this Icon code in Go.
link printf,lists procedure main() BruteZeroSubset(string2table( "alliance/-624/archbishop/-915/balm/397/bonnet/452/brute/870/_ centipede/-658/cobol/362/covariate/590/departure/952/deploy/44/_ diophantine/645/efferent/54/elysee/-326/eradicate/376/escritoire/856/_ exorcism/-983/fiat/170/filmy/-874/flatworm/503/gestapo/915/infra/-847/_ isis/-982/lindholm/999/markham/475/mincemeat/-880/moresby/756/_ mycenae/183/plugging/-266/smokescreen/423/speakeasy/-745/vein/813/")) end procedure BruteZeroSubset(words) every n := 1 to *words do { every t := tcomb(words,n) do { every (sum := 0) +:= words[!t] if sum = 0 then { printf("A zero-sum subset of length %d : %s\n",n,list2string(sort(t))) break next } } printf("No zero-sum subsets of length %d\n",n) } end procedure tcomb(T, i) local K every put(K := [],key(T)) every suspend lcomb(K,i) end procedure list2string(L) every (s := "[ ") ||:= !L || " " return s || "]" end procedure string2table(s,d) T := table() /d := "/" s ? until pos(0) do T[1(tab(find(d)),=d)] := numeric(1(tab(find(d)),=d)) return T end
package main import "fmt" type ww struct { word string weight int } var input = []*ww{ {"alliance", -624}, {"archbishop", -915}, {"balm", 397}, {"bonnet", 452}, {"brute", 870}, {"centipede", -658}, {"cobol", 362}, {"covariate", 590}, {"departure", 952}, {"deploy", 44}, {"diophantine", 645}, {"efferent", 54}, {"elysee", -326}, {"eradicate", 376}, {"escritoire", 856}, {"exorcism", -983}, {"fiat", 170}, {"filmy", -874}, {"flatworm", 503}, {"gestapo", 915}, {"infra", -847}, {"isis", -982}, {"lindholm", 999}, {"markham", 475}, {"mincemeat", -880}, {"moresby", 756}, {"mycenae", 183}, {"plugging", -266}, {"smokescreen", 423}, {"speakeasy", -745}, {"vein", 813}, } type sss struct { subset []*ww sum int } func main() { ps := []sss{{nil, 0}} for _, i := range input { pl := len(ps) for j := 0; j < pl; j++ { subset := append([]*ww{i}, ps[j].subset...) sum := i.weight + ps[j].sum if sum == 0 { fmt.Println("this subset sums to 0:") for _, i := range subset { fmt.Println(*i) } return } ps = append(ps, sss{subset, sum}) } } fmt.Println("no subset sums to 0") }
Produce a functionally identical C code for the snippet given in J.
text=:0 :0 alliance -624 archbishop -915 balm 397 bonnet 452 brute 870 centipede -658 cobol 362 covariate 590 departure 952 deploy 44 diophantine 645 efferent 54 elysee -326 eradicate 376 escritoire 856 exorcism -983 fiat 170 filmy -874 flatworm 503 gestapo 915 infra -847 isis -982 lindholm 999 markham 475 mincemeat -880 moresby 756 mycenae 183 plugging -266 smokescreen 423 speakeasy -745 vein 813 ) words=:{.@;:;._2 text numbs=:+/|:0&".;._2 text
#include <stdio.h> #include <stdlib.h> typedef struct { char *word; int weight; } item_t; item_t items[] = { {"alliance", -624}, {"archbishop", -915}, {"balm", 397}, {"bonnet", 452}, {"brute", 870}, {"centipede", -658}, {"cobol", 362}, {"covariate", 590}, {"departure", 952}, {"deploy", 44}, {"diophantine", 645}, {"efferent", 54}, {"elysee", -326}, {"eradicate", 376}, {"escritoire", 856}, {"exorcism", -983}, {"fiat", 170}, {"filmy", -874}, {"flatworm", 503}, {"gestapo", 915}, {"infra", -847}, {"isis", -982}, {"lindholm", 999}, {"markham", 475}, {"mincemeat", -880}, {"moresby", 756}, {"mycenae", 183}, {"plugging", -266}, {"smokescreen", 423}, {"speakeasy", -745}, {"vein", 813}, }; int n = sizeof (items) / sizeof (item_t); int *set; void subsum (int i, int weight) { int j; if (i && !weight) { for (j = 0; j < i; j++) { item_t item = items[set[j]]; printf("%s%s", j ? " " : "", items[set[j]].word); } printf("\n"); } for (j = i ? set[i - 1] + 1: 0; j < n; j++) { set[i] = j; subsum(i + 1, weight + items[j].weight); } } int main () { set = malloc(n * sizeof (int)); subsum(0, 0); return 0; }
Change the programming language of this snippet from J to C without modifying what it does.
text=:0 :0 alliance -624 archbishop -915 balm 397 bonnet 452 brute 870 centipede -658 cobol 362 covariate 590 departure 952 deploy 44 diophantine 645 efferent 54 elysee -326 eradicate 376 escritoire 856 exorcism -983 fiat 170 filmy -874 flatworm 503 gestapo 915 infra -847 isis -982 lindholm 999 markham 475 mincemeat -880 moresby 756 mycenae 183 plugging -266 smokescreen 423 speakeasy -745 vein 813 ) words=:{.@;:;._2 text numbs=:+/|:0&".;._2 text
#include <stdio.h> #include <stdlib.h> typedef struct { char *word; int weight; } item_t; item_t items[] = { {"alliance", -624}, {"archbishop", -915}, {"balm", 397}, {"bonnet", 452}, {"brute", 870}, {"centipede", -658}, {"cobol", 362}, {"covariate", 590}, {"departure", 952}, {"deploy", 44}, {"diophantine", 645}, {"efferent", 54}, {"elysee", -326}, {"eradicate", 376}, {"escritoire", 856}, {"exorcism", -983}, {"fiat", 170}, {"filmy", -874}, {"flatworm", 503}, {"gestapo", 915}, {"infra", -847}, {"isis", -982}, {"lindholm", 999}, {"markham", 475}, {"mincemeat", -880}, {"moresby", 756}, {"mycenae", 183}, {"plugging", -266}, {"smokescreen", 423}, {"speakeasy", -745}, {"vein", 813}, }; int n = sizeof (items) / sizeof (item_t); int *set; void subsum (int i, int weight) { int j; if (i && !weight) { for (j = 0; j < i; j++) { item_t item = items[set[j]]; printf("%s%s", j ? " " : "", items[set[j]].word); } printf("\n"); } for (j = i ? set[i - 1] + 1: 0; j < n; j++) { set[i] = j; subsum(i + 1, weight + items[j].weight); } } int main () { set = malloc(n * sizeof (int)); subsum(0, 0); return 0; }
Port the following code from J to C# with equivalent syntax and logic.
text=:0 :0 alliance -624 archbishop -915 balm 397 bonnet 452 brute 870 centipede -658 cobol 362 covariate 590 departure 952 deploy 44 diophantine 645 efferent 54 elysee -326 eradicate 376 escritoire 856 exorcism -983 fiat 170 filmy -874 flatworm 503 gestapo 915 infra -847 isis -982 lindholm 999 markham 475 mincemeat -880 moresby 756 mycenae 183 plugging -266 smokescreen 423 speakeasy -745 vein 813 ) words=:{.@;:;._2 text numbs=:+/|:0&".;._2 text
using System; using System.Collections.Generic; namespace SubsetSum { class Item { public Item(string word, int weight) { Word = word; Weight = weight; } public string Word { get; set; } public int Weight { get; set; } public override string ToString() { return string.Format("({0}, {1})", Word, Weight); } } class Program { private static readonly List<Item> items = new List<Item>() { new Item("alliance", -624), new Item("archbishop", -915), new Item("balm", 397), new Item("bonnet", 452), new Item("brute", 870), new Item("centipede", -658), new Item("cobol", 362), new Item("covariate", 590), new Item("departure", 952), new Item("deploy", 44), new Item("diophantine", 645), new Item("efferent", 54), new Item("elysee", -326), new Item("eradicate", 376), new Item("escritoire", 856), new Item("exorcism", -983), new Item("fiat", 170), new Item("filmy", -874), new Item("flatworm", 503), new Item("gestapo", 915), new Item("infra", -847), new Item("isis", -982), new Item("lindholm", 999), new Item("markham", 475), new Item("mincemeat", -880), new Item("moresby", 756), new Item("mycenae", 183), new Item("plugging", -266), new Item("smokescreen", 423), new Item("speakeasy", -745), new Item("vein", 813), }; private static readonly int n = items.Count; private static readonly int LIMIT = 5; private static int[] indices = new int[n]; private static int count = 0; private static void ZeroSum(int i, int w) { if (i != 0 && w == 0) { for (int j = 0; j < i; j++) { Console.Write("{0} ", items[indices[j]]); } Console.WriteLine("\n"); if (count < LIMIT) count++; else return; } int k = (i != 0) ? indices[i - 1] + 1 : 0; for (int j = k; j < n; j++) { indices[i] = j; ZeroSum(i + 1, w + items[j].Weight); if (count == LIMIT) return; } } static void Main(string[] args) { Console.WriteLine("The weights of the following {0} subsets add up to zero:\n", LIMIT); ZeroSum(0, 0); } } }
Produce a functionally identical C# code for the snippet given in J.
text=:0 :0 alliance -624 archbishop -915 balm 397 bonnet 452 brute 870 centipede -658 cobol 362 covariate 590 departure 952 deploy 44 diophantine 645 efferent 54 elysee -326 eradicate 376 escritoire 856 exorcism -983 fiat 170 filmy -874 flatworm 503 gestapo 915 infra -847 isis -982 lindholm 999 markham 475 mincemeat -880 moresby 756 mycenae 183 plugging -266 smokescreen 423 speakeasy -745 vein 813 ) words=:{.@;:;._2 text numbs=:+/|:0&".;._2 text
using System; using System.Collections.Generic; namespace SubsetSum { class Item { public Item(string word, int weight) { Word = word; Weight = weight; } public string Word { get; set; } public int Weight { get; set; } public override string ToString() { return string.Format("({0}, {1})", Word, Weight); } } class Program { private static readonly List<Item> items = new List<Item>() { new Item("alliance", -624), new Item("archbishop", -915), new Item("balm", 397), new Item("bonnet", 452), new Item("brute", 870), new Item("centipede", -658), new Item("cobol", 362), new Item("covariate", 590), new Item("departure", 952), new Item("deploy", 44), new Item("diophantine", 645), new Item("efferent", 54), new Item("elysee", -326), new Item("eradicate", 376), new Item("escritoire", 856), new Item("exorcism", -983), new Item("fiat", 170), new Item("filmy", -874), new Item("flatworm", 503), new Item("gestapo", 915), new Item("infra", -847), new Item("isis", -982), new Item("lindholm", 999), new Item("markham", 475), new Item("mincemeat", -880), new Item("moresby", 756), new Item("mycenae", 183), new Item("plugging", -266), new Item("smokescreen", 423), new Item("speakeasy", -745), new Item("vein", 813), }; private static readonly int n = items.Count; private static readonly int LIMIT = 5; private static int[] indices = new int[n]; private static int count = 0; private static void ZeroSum(int i, int w) { if (i != 0 && w == 0) { for (int j = 0; j < i; j++) { Console.Write("{0} ", items[indices[j]]); } Console.WriteLine("\n"); if (count < LIMIT) count++; else return; } int k = (i != 0) ? indices[i - 1] + 1 : 0; for (int j = k; j < n; j++) { indices[i] = j; ZeroSum(i + 1, w + items[j].Weight); if (count == LIMIT) return; } } static void Main(string[] args) { Console.WriteLine("The weights of the following {0} subsets add up to zero:\n", LIMIT); ZeroSum(0, 0); } } }
Convert the following code from J to C++, ensuring the logic remains intact.
text=:0 :0 alliance -624 archbishop -915 balm 397 bonnet 452 brute 870 centipede -658 cobol 362 covariate 590 departure 952 deploy 44 diophantine 645 efferent 54 elysee -326 eradicate 376 escritoire 856 exorcism -983 fiat 170 filmy -874 flatworm 503 gestapo 915 infra -847 isis -982 lindholm 999 markham 475 mincemeat -880 moresby 756 mycenae 183 plugging -266 smokescreen 423 speakeasy -745 vein 813 ) words=:{.@;:;._2 text numbs=:+/|:0&".;._2 text
#include <iostream> #include <vector> std::ostream& operator<<(std::ostream& out, const std::string& str) { return out << str.c_str(); } std::vector<std::pair<std::string, int>> items{ {"alliance", -624}, {"archbishop", -915}, {"balm", 397}, {"bonnet", 452}, {"brute", 870}, {"centipede", -658}, {"cobol", 362}, {"covariate", 590}, {"departure", 952}, {"deploy", 44}, {"diophantine", 645}, {"efferent", 54}, {"elysee", -326}, {"eradicate", 376}, {"escritoire", 856}, {"exorcism", -983}, {"fiat", 170}, {"filmy", -874}, {"flatworm", 503}, {"gestapo", 915}, {"infra", -847}, {"isis", -982}, {"lindholm", 999}, {"markham", 475}, {"mincemeat", -880}, {"moresby", 756}, {"mycenae", 183}, {"plugging", -266}, {"smokescreen", 423}, {"speakeasy", -745}, {"vein", 813}, }; std::vector<int> indices; int count = 0; const int LIMIT = 5; void subsum(int i, int weight) { if (i != 0 && weight == 0) { for (int j = 0; j < i; ++j) { auto item = items[indices[j]]; std::cout << (j ? " " : "") << item.first; } std::cout << '\n'; if (count < LIMIT) count++; else return; } int k = (i != 0) ? indices[i - 1] + 1 : 0; for (int j = k; j < items.size(); ++j) { indices[i] = j; subsum(i + 1, weight + items[j].second); if (count == LIMIT) return; } } int main() { indices.resize(items.size()); subsum(0, 0); return 0; }
Change the programming language of this snippet from J to C++ without modifying what it does.
text=:0 :0 alliance -624 archbishop -915 balm 397 bonnet 452 brute 870 centipede -658 cobol 362 covariate 590 departure 952 deploy 44 diophantine 645 efferent 54 elysee -326 eradicate 376 escritoire 856 exorcism -983 fiat 170 filmy -874 flatworm 503 gestapo 915 infra -847 isis -982 lindholm 999 markham 475 mincemeat -880 moresby 756 mycenae 183 plugging -266 smokescreen 423 speakeasy -745 vein 813 ) words=:{.@;:;._2 text numbs=:+/|:0&".;._2 text
#include <iostream> #include <vector> std::ostream& operator<<(std::ostream& out, const std::string& str) { return out << str.c_str(); } std::vector<std::pair<std::string, int>> items{ {"alliance", -624}, {"archbishop", -915}, {"balm", 397}, {"bonnet", 452}, {"brute", 870}, {"centipede", -658}, {"cobol", 362}, {"covariate", 590}, {"departure", 952}, {"deploy", 44}, {"diophantine", 645}, {"efferent", 54}, {"elysee", -326}, {"eradicate", 376}, {"escritoire", 856}, {"exorcism", -983}, {"fiat", 170}, {"filmy", -874}, {"flatworm", 503}, {"gestapo", 915}, {"infra", -847}, {"isis", -982}, {"lindholm", 999}, {"markham", 475}, {"mincemeat", -880}, {"moresby", 756}, {"mycenae", 183}, {"plugging", -266}, {"smokescreen", 423}, {"speakeasy", -745}, {"vein", 813}, }; std::vector<int> indices; int count = 0; const int LIMIT = 5; void subsum(int i, int weight) { if (i != 0 && weight == 0) { for (int j = 0; j < i; ++j) { auto item = items[indices[j]]; std::cout << (j ? " " : "") << item.first; } std::cout << '\n'; if (count < LIMIT) count++; else return; } int k = (i != 0) ? indices[i - 1] + 1 : 0; for (int j = k; j < items.size(); ++j) { indices[i] = j; subsum(i + 1, weight + items[j].second); if (count == LIMIT) return; } } int main() { indices.resize(items.size()); subsum(0, 0); return 0; }
Write a version of this J function in Java with identical behavior.
text=:0 :0 alliance -624 archbishop -915 balm 397 bonnet 452 brute 870 centipede -658 cobol 362 covariate 590 departure 952 deploy 44 diophantine 645 efferent 54 elysee -326 eradicate 376 escritoire 856 exorcism -983 fiat 170 filmy -874 flatworm 503 gestapo 915 infra -847 isis -982 lindholm 999 markham 475 mincemeat -880 moresby 756 mycenae 183 plugging -266 smokescreen 423 speakeasy -745 vein 813 ) words=:{.@;:;._2 text numbs=:+/|:0&".;._2 text
public class SubsetSum { private static class Item { private String word; private int weight; public Item(String word, int weight) { this.word = word; this.weight = weight; } @Override public String toString() { return String.format("(%s, %d)", word, weight); } } private static Item[] items = new Item[]{ new Item("alliance", -624), new Item("archbishop", -915), new Item("balm", 397), new Item("bonnet", 452), new Item("brute", 870), new Item("centipede", -658), new Item("cobol", 362), new Item("covariate", 590), new Item("departure", 952), new Item("deploy", 44), new Item("diophantine", 645), new Item("efferent", 54), new Item("elysee", -326), new Item("eradicate", 376), new Item("escritoire", 856), new Item("exorcism", -983), new Item("fiat", 170), new Item("filmy", -874), new Item("flatworm", 503), new Item("gestapo", 915), new Item("infra", -847), new Item("isis", -982), new Item("lindholm", 999), new Item("markham", 475), new Item("mincemeat", -880), new Item("moresby", 756), new Item("mycenae", 183), new Item("plugging", -266), new Item("smokescreen", 423), new Item("speakeasy", -745), new Item("vein", 813), }; private static final int n = items.length; private static final int[] indices = new int[n]; private static int count = 0; private static final int LIMIT = 5; private static void zeroSum(int i, int w) { if (i != 0 && w == 0) { for (int j = 0; j < i; ++j) { System.out.printf("%s ", items[indices[j]]); } System.out.println("\n"); if (count < LIMIT) count++; else return; } int k = (i != 0) ? indices[i - 1] + 1 : 0; for (int j = k; j < n; ++j) { indices[i] = j; zeroSum(i + 1, w + items[j].weight); if (count == LIMIT) return; } } public static void main(String[] args) { System.out.printf("The weights of the following %d subsets add up to zero:\n\n", LIMIT); zeroSum(0, 0); } }
Convert this J block to Java, preserving its control flow and logic.
text=:0 :0 alliance -624 archbishop -915 balm 397 bonnet 452 brute 870 centipede -658 cobol 362 covariate 590 departure 952 deploy 44 diophantine 645 efferent 54 elysee -326 eradicate 376 escritoire 856 exorcism -983 fiat 170 filmy -874 flatworm 503 gestapo 915 infra -847 isis -982 lindholm 999 markham 475 mincemeat -880 moresby 756 mycenae 183 plugging -266 smokescreen 423 speakeasy -745 vein 813 ) words=:{.@;:;._2 text numbs=:+/|:0&".;._2 text
public class SubsetSum { private static class Item { private String word; private int weight; public Item(String word, int weight) { this.word = word; this.weight = weight; } @Override public String toString() { return String.format("(%s, %d)", word, weight); } } private static Item[] items = new Item[]{ new Item("alliance", -624), new Item("archbishop", -915), new Item("balm", 397), new Item("bonnet", 452), new Item("brute", 870), new Item("centipede", -658), new Item("cobol", 362), new Item("covariate", 590), new Item("departure", 952), new Item("deploy", 44), new Item("diophantine", 645), new Item("efferent", 54), new Item("elysee", -326), new Item("eradicate", 376), new Item("escritoire", 856), new Item("exorcism", -983), new Item("fiat", 170), new Item("filmy", -874), new Item("flatworm", 503), new Item("gestapo", 915), new Item("infra", -847), new Item("isis", -982), new Item("lindholm", 999), new Item("markham", 475), new Item("mincemeat", -880), new Item("moresby", 756), new Item("mycenae", 183), new Item("plugging", -266), new Item("smokescreen", 423), new Item("speakeasy", -745), new Item("vein", 813), }; private static final int n = items.length; private static final int[] indices = new int[n]; private static int count = 0; private static final int LIMIT = 5; private static void zeroSum(int i, int w) { if (i != 0 && w == 0) { for (int j = 0; j < i; ++j) { System.out.printf("%s ", items[indices[j]]); } System.out.println("\n"); if (count < LIMIT) count++; else return; } int k = (i != 0) ? indices[i - 1] + 1 : 0; for (int j = k; j < n; ++j) { indices[i] = j; zeroSum(i + 1, w + items[j].weight); if (count == LIMIT) return; } } public static void main(String[] args) { System.out.printf("The weights of the following %d subsets add up to zero:\n\n", LIMIT); zeroSum(0, 0); } }
Generate an equivalent Python version of this J code.
text=:0 :0 alliance -624 archbishop -915 balm 397 bonnet 452 brute 870 centipede -658 cobol 362 covariate 590 departure 952 deploy 44 diophantine 645 efferent 54 elysee -326 eradicate 376 escritoire 856 exorcism -983 fiat 170 filmy -874 flatworm 503 gestapo 915 infra -847 isis -982 lindholm 999 markham 475 mincemeat -880 moresby 756 mycenae 183 plugging -266 smokescreen 423 speakeasy -745 vein 813 ) words=:{.@;:;._2 text numbs=:+/|:0&".;._2 text
words = { "alliance": -624, "archbishop": -925, "balm": 397, "bonnet": 452, "brute": 870, "centipede": -658, "cobol": 362, "covariate": 590, "departure": 952, "deploy": 44, "diophantine": 645, "efferent": 54, "elysee": -326, "eradicate": 376, "escritoire": 856, "exorcism": -983, "fiat": 170, "filmy": -874, "flatworm": 503, "gestapo": 915, "infra": -847, "isis": -982, "lindholm": 999, "markham": 475, "mincemeat": -880, "moresby": 756, "mycenae": 183, "plugging": -266, "smokescreen": 423, "speakeasy": -745, "vein": 813 } neg = 0 pos = 0 for (w,v) in words.iteritems(): if v > 0: pos += v else: neg += v sums = [0] * (pos - neg + 1) for (w,v) in words.iteritems(): s = sums[:] if not s[v - neg]: s[v - neg] = (w,) for (i, w2) in enumerate(sums): if w2 and not s[i + v]: s[i + v] = w2 + (w,) sums = s if s[-neg]: for x in s[-neg]: print(x, words[x]) break
Write the same code in Python as shown below in J.
text=:0 :0 alliance -624 archbishop -915 balm 397 bonnet 452 brute 870 centipede -658 cobol 362 covariate 590 departure 952 deploy 44 diophantine 645 efferent 54 elysee -326 eradicate 376 escritoire 856 exorcism -983 fiat 170 filmy -874 flatworm 503 gestapo 915 infra -847 isis -982 lindholm 999 markham 475 mincemeat -880 moresby 756 mycenae 183 plugging -266 smokescreen 423 speakeasy -745 vein 813 ) words=:{.@;:;._2 text numbs=:+/|:0&".;._2 text
words = { "alliance": -624, "archbishop": -925, "balm": 397, "bonnet": 452, "brute": 870, "centipede": -658, "cobol": 362, "covariate": 590, "departure": 952, "deploy": 44, "diophantine": 645, "efferent": 54, "elysee": -326, "eradicate": 376, "escritoire": 856, "exorcism": -983, "fiat": 170, "filmy": -874, "flatworm": 503, "gestapo": 915, "infra": -847, "isis": -982, "lindholm": 999, "markham": 475, "mincemeat": -880, "moresby": 756, "mycenae": 183, "plugging": -266, "smokescreen": 423, "speakeasy": -745, "vein": 813 } neg = 0 pos = 0 for (w,v) in words.iteritems(): if v > 0: pos += v else: neg += v sums = [0] * (pos - neg + 1) for (w,v) in words.iteritems(): s = sums[:] if not s[v - neg]: s[v - neg] = (w,) for (i, w2) in enumerate(sums): if w2 and not s[i + v]: s[i + v] = w2 + (w,) sums = s if s[-neg]: for x in s[-neg]: print(x, words[x]) break
Rewrite the snippet below in Go so it works the same as the original J code.
text=:0 :0 alliance -624 archbishop -915 balm 397 bonnet 452 brute 870 centipede -658 cobol 362 covariate 590 departure 952 deploy 44 diophantine 645 efferent 54 elysee -326 eradicate 376 escritoire 856 exorcism -983 fiat 170 filmy -874 flatworm 503 gestapo 915 infra -847 isis -982 lindholm 999 markham 475 mincemeat -880 moresby 756 mycenae 183 plugging -266 smokescreen 423 speakeasy -745 vein 813 ) words=:{.@;:;._2 text numbs=:+/|:0&".;._2 text
package main import "fmt" type ww struct { word string weight int } var input = []*ww{ {"alliance", -624}, {"archbishop", -915}, {"balm", 397}, {"bonnet", 452}, {"brute", 870}, {"centipede", -658}, {"cobol", 362}, {"covariate", 590}, {"departure", 952}, {"deploy", 44}, {"diophantine", 645}, {"efferent", 54}, {"elysee", -326}, {"eradicate", 376}, {"escritoire", 856}, {"exorcism", -983}, {"fiat", 170}, {"filmy", -874}, {"flatworm", 503}, {"gestapo", 915}, {"infra", -847}, {"isis", -982}, {"lindholm", 999}, {"markham", 475}, {"mincemeat", -880}, {"moresby", 756}, {"mycenae", 183}, {"plugging", -266}, {"smokescreen", 423}, {"speakeasy", -745}, {"vein", 813}, } type sss struct { subset []*ww sum int } func main() { ps := []sss{{nil, 0}} for _, i := range input { pl := len(ps) for j := 0; j < pl; j++ { subset := append([]*ww{i}, ps[j].subset...) sum := i.weight + ps[j].sum if sum == 0 { fmt.Println("this subset sums to 0:") for _, i := range subset { fmt.Println(*i) } return } ps = append(ps, sss{subset, sum}) } } fmt.Println("no subset sums to 0") }
Generate an equivalent Go version of this J code.
text=:0 :0 alliance -624 archbishop -915 balm 397 bonnet 452 brute 870 centipede -658 cobol 362 covariate 590 departure 952 deploy 44 diophantine 645 efferent 54 elysee -326 eradicate 376 escritoire 856 exorcism -983 fiat 170 filmy -874 flatworm 503 gestapo 915 infra -847 isis -982 lindholm 999 markham 475 mincemeat -880 moresby 756 mycenae 183 plugging -266 smokescreen 423 speakeasy -745 vein 813 ) words=:{.@;:;._2 text numbs=:+/|:0&".;._2 text
package main import "fmt" type ww struct { word string weight int } var input = []*ww{ {"alliance", -624}, {"archbishop", -915}, {"balm", 397}, {"bonnet", 452}, {"brute", 870}, {"centipede", -658}, {"cobol", 362}, {"covariate", 590}, {"departure", 952}, {"deploy", 44}, {"diophantine", 645}, {"efferent", 54}, {"elysee", -326}, {"eradicate", 376}, {"escritoire", 856}, {"exorcism", -983}, {"fiat", 170}, {"filmy", -874}, {"flatworm", 503}, {"gestapo", 915}, {"infra", -847}, {"isis", -982}, {"lindholm", 999}, {"markham", 475}, {"mincemeat", -880}, {"moresby", 756}, {"mycenae", 183}, {"plugging", -266}, {"smokescreen", 423}, {"speakeasy", -745}, {"vein", 813}, } type sss struct { subset []*ww sum int } func main() { ps := []sss{{nil, 0}} for _, i := range input { pl := len(ps) for j := 0; j < pl; j++ { subset := append([]*ww{i}, ps[j].subset...) sum := i.weight + ps[j].sum if sum == 0 { fmt.Println("this subset sums to 0:") for _, i := range subset { fmt.Println(*i) } return } ps = append(ps, sss{subset, sum}) } } fmt.Println("no subset sums to 0") }
Translate this program into C but keep the logic exactly as in Julia.
using Combinatorics const pairs = [ "alliance" => -624, "archbishop" => -915, "balm" => 397, "bonnet" => 452, "brute" => 870, "centipede" => -658, "cobol" => 362, "covariate" => 590, "departure" => 952, "deploy" => 44, "diophantine" => 645, "efferent" => 54, "elysee" => -326, "eradicate" => 376, "escritoire" => 856, "exorcism" => -983, "fiat" => 170, "filmy" => -874, "flatworm" => 503, "gestapo" => 915, "infra" => -847, "isis" => -982, "lindholm" => 999, "markham" => 475, "mincemeat" => -880, "moresby" => 756, "mycenae" => 183, "plugging" => -266, "smokescreen" => 423, "speakeasy" => -745, "vein" => 813] const weights = [v for (k, v) in pairs] const weightkeyed = Dict(Pair(v, k) for (k, v) in pairs) function zerosums() total = 0 for i in 1:length(weights) print("\nFor length $i: ") sets = [a for a in combinations(weights, i) if sum(a) == 0] if (n = length(sets)) == 0 print("None") else total += n print("$n sets, example: ", map(x -> weightkeyed[x], rand(sets))) end end println("\n\nGrand total sets: $total") end zerosums()
#include <stdio.h> #include <stdlib.h> typedef struct { char *word; int weight; } item_t; item_t items[] = { {"alliance", -624}, {"archbishop", -915}, {"balm", 397}, {"bonnet", 452}, {"brute", 870}, {"centipede", -658}, {"cobol", 362}, {"covariate", 590}, {"departure", 952}, {"deploy", 44}, {"diophantine", 645}, {"efferent", 54}, {"elysee", -326}, {"eradicate", 376}, {"escritoire", 856}, {"exorcism", -983}, {"fiat", 170}, {"filmy", -874}, {"flatworm", 503}, {"gestapo", 915}, {"infra", -847}, {"isis", -982}, {"lindholm", 999}, {"markham", 475}, {"mincemeat", -880}, {"moresby", 756}, {"mycenae", 183}, {"plugging", -266}, {"smokescreen", 423}, {"speakeasy", -745}, {"vein", 813}, }; int n = sizeof (items) / sizeof (item_t); int *set; void subsum (int i, int weight) { int j; if (i && !weight) { for (j = 0; j < i; j++) { item_t item = items[set[j]]; printf("%s%s", j ? " " : "", items[set[j]].word); } printf("\n"); } for (j = i ? set[i - 1] + 1: 0; j < n; j++) { set[i] = j; subsum(i + 1, weight + items[j].weight); } } int main () { set = malloc(n * sizeof (int)); subsum(0, 0); return 0; }
Convert this Julia block to C, preserving its control flow and logic.
using Combinatorics const pairs = [ "alliance" => -624, "archbishop" => -915, "balm" => 397, "bonnet" => 452, "brute" => 870, "centipede" => -658, "cobol" => 362, "covariate" => 590, "departure" => 952, "deploy" => 44, "diophantine" => 645, "efferent" => 54, "elysee" => -326, "eradicate" => 376, "escritoire" => 856, "exorcism" => -983, "fiat" => 170, "filmy" => -874, "flatworm" => 503, "gestapo" => 915, "infra" => -847, "isis" => -982, "lindholm" => 999, "markham" => 475, "mincemeat" => -880, "moresby" => 756, "mycenae" => 183, "plugging" => -266, "smokescreen" => 423, "speakeasy" => -745, "vein" => 813] const weights = [v for (k, v) in pairs] const weightkeyed = Dict(Pair(v, k) for (k, v) in pairs) function zerosums() total = 0 for i in 1:length(weights) print("\nFor length $i: ") sets = [a for a in combinations(weights, i) if sum(a) == 0] if (n = length(sets)) == 0 print("None") else total += n print("$n sets, example: ", map(x -> weightkeyed[x], rand(sets))) end end println("\n\nGrand total sets: $total") end zerosums()
#include <stdio.h> #include <stdlib.h> typedef struct { char *word; int weight; } item_t; item_t items[] = { {"alliance", -624}, {"archbishop", -915}, {"balm", 397}, {"bonnet", 452}, {"brute", 870}, {"centipede", -658}, {"cobol", 362}, {"covariate", 590}, {"departure", 952}, {"deploy", 44}, {"diophantine", 645}, {"efferent", 54}, {"elysee", -326}, {"eradicate", 376}, {"escritoire", 856}, {"exorcism", -983}, {"fiat", 170}, {"filmy", -874}, {"flatworm", 503}, {"gestapo", 915}, {"infra", -847}, {"isis", -982}, {"lindholm", 999}, {"markham", 475}, {"mincemeat", -880}, {"moresby", 756}, {"mycenae", 183}, {"plugging", -266}, {"smokescreen", 423}, {"speakeasy", -745}, {"vein", 813}, }; int n = sizeof (items) / sizeof (item_t); int *set; void subsum (int i, int weight) { int j; if (i && !weight) { for (j = 0; j < i; j++) { item_t item = items[set[j]]; printf("%s%s", j ? " " : "", items[set[j]].word); } printf("\n"); } for (j = i ? set[i - 1] + 1: 0; j < n; j++) { set[i] = j; subsum(i + 1, weight + items[j].weight); } } int main () { set = malloc(n * sizeof (int)); subsum(0, 0); return 0; }
Convert this Julia block to C#, preserving its control flow and logic.
using Combinatorics const pairs = [ "alliance" => -624, "archbishop" => -915, "balm" => 397, "bonnet" => 452, "brute" => 870, "centipede" => -658, "cobol" => 362, "covariate" => 590, "departure" => 952, "deploy" => 44, "diophantine" => 645, "efferent" => 54, "elysee" => -326, "eradicate" => 376, "escritoire" => 856, "exorcism" => -983, "fiat" => 170, "filmy" => -874, "flatworm" => 503, "gestapo" => 915, "infra" => -847, "isis" => -982, "lindholm" => 999, "markham" => 475, "mincemeat" => -880, "moresby" => 756, "mycenae" => 183, "plugging" => -266, "smokescreen" => 423, "speakeasy" => -745, "vein" => 813] const weights = [v for (k, v) in pairs] const weightkeyed = Dict(Pair(v, k) for (k, v) in pairs) function zerosums() total = 0 for i in 1:length(weights) print("\nFor length $i: ") sets = [a for a in combinations(weights, i) if sum(a) == 0] if (n = length(sets)) == 0 print("None") else total += n print("$n sets, example: ", map(x -> weightkeyed[x], rand(sets))) end end println("\n\nGrand total sets: $total") end zerosums()
using System; using System.Collections.Generic; namespace SubsetSum { class Item { public Item(string word, int weight) { Word = word; Weight = weight; } public string Word { get; set; } public int Weight { get; set; } public override string ToString() { return string.Format("({0}, {1})", Word, Weight); } } class Program { private static readonly List<Item> items = new List<Item>() { new Item("alliance", -624), new Item("archbishop", -915), new Item("balm", 397), new Item("bonnet", 452), new Item("brute", 870), new Item("centipede", -658), new Item("cobol", 362), new Item("covariate", 590), new Item("departure", 952), new Item("deploy", 44), new Item("diophantine", 645), new Item("efferent", 54), new Item("elysee", -326), new Item("eradicate", 376), new Item("escritoire", 856), new Item("exorcism", -983), new Item("fiat", 170), new Item("filmy", -874), new Item("flatworm", 503), new Item("gestapo", 915), new Item("infra", -847), new Item("isis", -982), new Item("lindholm", 999), new Item("markham", 475), new Item("mincemeat", -880), new Item("moresby", 756), new Item("mycenae", 183), new Item("plugging", -266), new Item("smokescreen", 423), new Item("speakeasy", -745), new Item("vein", 813), }; private static readonly int n = items.Count; private static readonly int LIMIT = 5; private static int[] indices = new int[n]; private static int count = 0; private static void ZeroSum(int i, int w) { if (i != 0 && w == 0) { for (int j = 0; j < i; j++) { Console.Write("{0} ", items[indices[j]]); } Console.WriteLine("\n"); if (count < LIMIT) count++; else return; } int k = (i != 0) ? indices[i - 1] + 1 : 0; for (int j = k; j < n; j++) { indices[i] = j; ZeroSum(i + 1, w + items[j].Weight); if (count == LIMIT) return; } } static void Main(string[] args) { Console.WriteLine("The weights of the following {0} subsets add up to zero:\n", LIMIT); ZeroSum(0, 0); } } }
Convert this Julia block to C#, preserving its control flow and logic.
using Combinatorics const pairs = [ "alliance" => -624, "archbishop" => -915, "balm" => 397, "bonnet" => 452, "brute" => 870, "centipede" => -658, "cobol" => 362, "covariate" => 590, "departure" => 952, "deploy" => 44, "diophantine" => 645, "efferent" => 54, "elysee" => -326, "eradicate" => 376, "escritoire" => 856, "exorcism" => -983, "fiat" => 170, "filmy" => -874, "flatworm" => 503, "gestapo" => 915, "infra" => -847, "isis" => -982, "lindholm" => 999, "markham" => 475, "mincemeat" => -880, "moresby" => 756, "mycenae" => 183, "plugging" => -266, "smokescreen" => 423, "speakeasy" => -745, "vein" => 813] const weights = [v for (k, v) in pairs] const weightkeyed = Dict(Pair(v, k) for (k, v) in pairs) function zerosums() total = 0 for i in 1:length(weights) print("\nFor length $i: ") sets = [a for a in combinations(weights, i) if sum(a) == 0] if (n = length(sets)) == 0 print("None") else total += n print("$n sets, example: ", map(x -> weightkeyed[x], rand(sets))) end end println("\n\nGrand total sets: $total") end zerosums()
using System; using System.Collections.Generic; namespace SubsetSum { class Item { public Item(string word, int weight) { Word = word; Weight = weight; } public string Word { get; set; } public int Weight { get; set; } public override string ToString() { return string.Format("({0}, {1})", Word, Weight); } } class Program { private static readonly List<Item> items = new List<Item>() { new Item("alliance", -624), new Item("archbishop", -915), new Item("balm", 397), new Item("bonnet", 452), new Item("brute", 870), new Item("centipede", -658), new Item("cobol", 362), new Item("covariate", 590), new Item("departure", 952), new Item("deploy", 44), new Item("diophantine", 645), new Item("efferent", 54), new Item("elysee", -326), new Item("eradicate", 376), new Item("escritoire", 856), new Item("exorcism", -983), new Item("fiat", 170), new Item("filmy", -874), new Item("flatworm", 503), new Item("gestapo", 915), new Item("infra", -847), new Item("isis", -982), new Item("lindholm", 999), new Item("markham", 475), new Item("mincemeat", -880), new Item("moresby", 756), new Item("mycenae", 183), new Item("plugging", -266), new Item("smokescreen", 423), new Item("speakeasy", -745), new Item("vein", 813), }; private static readonly int n = items.Count; private static readonly int LIMIT = 5; private static int[] indices = new int[n]; private static int count = 0; private static void ZeroSum(int i, int w) { if (i != 0 && w == 0) { for (int j = 0; j < i; j++) { Console.Write("{0} ", items[indices[j]]); } Console.WriteLine("\n"); if (count < LIMIT) count++; else return; } int k = (i != 0) ? indices[i - 1] + 1 : 0; for (int j = k; j < n; j++) { indices[i] = j; ZeroSum(i + 1, w + items[j].Weight); if (count == LIMIT) return; } } static void Main(string[] args) { Console.WriteLine("The weights of the following {0} subsets add up to zero:\n", LIMIT); ZeroSum(0, 0); } } }
Keep all operations the same but rewrite the snippet in C++.
using Combinatorics const pairs = [ "alliance" => -624, "archbishop" => -915, "balm" => 397, "bonnet" => 452, "brute" => 870, "centipede" => -658, "cobol" => 362, "covariate" => 590, "departure" => 952, "deploy" => 44, "diophantine" => 645, "efferent" => 54, "elysee" => -326, "eradicate" => 376, "escritoire" => 856, "exorcism" => -983, "fiat" => 170, "filmy" => -874, "flatworm" => 503, "gestapo" => 915, "infra" => -847, "isis" => -982, "lindholm" => 999, "markham" => 475, "mincemeat" => -880, "moresby" => 756, "mycenae" => 183, "plugging" => -266, "smokescreen" => 423, "speakeasy" => -745, "vein" => 813] const weights = [v for (k, v) in pairs] const weightkeyed = Dict(Pair(v, k) for (k, v) in pairs) function zerosums() total = 0 for i in 1:length(weights) print("\nFor length $i: ") sets = [a for a in combinations(weights, i) if sum(a) == 0] if (n = length(sets)) == 0 print("None") else total += n print("$n sets, example: ", map(x -> weightkeyed[x], rand(sets))) end end println("\n\nGrand total sets: $total") end zerosums()
#include <iostream> #include <vector> std::ostream& operator<<(std::ostream& out, const std::string& str) { return out << str.c_str(); } std::vector<std::pair<std::string, int>> items{ {"alliance", -624}, {"archbishop", -915}, {"balm", 397}, {"bonnet", 452}, {"brute", 870}, {"centipede", -658}, {"cobol", 362}, {"covariate", 590}, {"departure", 952}, {"deploy", 44}, {"diophantine", 645}, {"efferent", 54}, {"elysee", -326}, {"eradicate", 376}, {"escritoire", 856}, {"exorcism", -983}, {"fiat", 170}, {"filmy", -874}, {"flatworm", 503}, {"gestapo", 915}, {"infra", -847}, {"isis", -982}, {"lindholm", 999}, {"markham", 475}, {"mincemeat", -880}, {"moresby", 756}, {"mycenae", 183}, {"plugging", -266}, {"smokescreen", 423}, {"speakeasy", -745}, {"vein", 813}, }; std::vector<int> indices; int count = 0; const int LIMIT = 5; void subsum(int i, int weight) { if (i != 0 && weight == 0) { for (int j = 0; j < i; ++j) { auto item = items[indices[j]]; std::cout << (j ? " " : "") << item.first; } std::cout << '\n'; if (count < LIMIT) count++; else return; } int k = (i != 0) ? indices[i - 1] + 1 : 0; for (int j = k; j < items.size(); ++j) { indices[i] = j; subsum(i + 1, weight + items[j].second); if (count == LIMIT) return; } } int main() { indices.resize(items.size()); subsum(0, 0); return 0; }
Port the following code from Julia to C++ with equivalent syntax and logic.
using Combinatorics const pairs = [ "alliance" => -624, "archbishop" => -915, "balm" => 397, "bonnet" => 452, "brute" => 870, "centipede" => -658, "cobol" => 362, "covariate" => 590, "departure" => 952, "deploy" => 44, "diophantine" => 645, "efferent" => 54, "elysee" => -326, "eradicate" => 376, "escritoire" => 856, "exorcism" => -983, "fiat" => 170, "filmy" => -874, "flatworm" => 503, "gestapo" => 915, "infra" => -847, "isis" => -982, "lindholm" => 999, "markham" => 475, "mincemeat" => -880, "moresby" => 756, "mycenae" => 183, "plugging" => -266, "smokescreen" => 423, "speakeasy" => -745, "vein" => 813] const weights = [v for (k, v) in pairs] const weightkeyed = Dict(Pair(v, k) for (k, v) in pairs) function zerosums() total = 0 for i in 1:length(weights) print("\nFor length $i: ") sets = [a for a in combinations(weights, i) if sum(a) == 0] if (n = length(sets)) == 0 print("None") else total += n print("$n sets, example: ", map(x -> weightkeyed[x], rand(sets))) end end println("\n\nGrand total sets: $total") end zerosums()
#include <iostream> #include <vector> std::ostream& operator<<(std::ostream& out, const std::string& str) { return out << str.c_str(); } std::vector<std::pair<std::string, int>> items{ {"alliance", -624}, {"archbishop", -915}, {"balm", 397}, {"bonnet", 452}, {"brute", 870}, {"centipede", -658}, {"cobol", 362}, {"covariate", 590}, {"departure", 952}, {"deploy", 44}, {"diophantine", 645}, {"efferent", 54}, {"elysee", -326}, {"eradicate", 376}, {"escritoire", 856}, {"exorcism", -983}, {"fiat", 170}, {"filmy", -874}, {"flatworm", 503}, {"gestapo", 915}, {"infra", -847}, {"isis", -982}, {"lindholm", 999}, {"markham", 475}, {"mincemeat", -880}, {"moresby", 756}, {"mycenae", 183}, {"plugging", -266}, {"smokescreen", 423}, {"speakeasy", -745}, {"vein", 813}, }; std::vector<int> indices; int count = 0; const int LIMIT = 5; void subsum(int i, int weight) { if (i != 0 && weight == 0) { for (int j = 0; j < i; ++j) { auto item = items[indices[j]]; std::cout << (j ? " " : "") << item.first; } std::cout << '\n'; if (count < LIMIT) count++; else return; } int k = (i != 0) ? indices[i - 1] + 1 : 0; for (int j = k; j < items.size(); ++j) { indices[i] = j; subsum(i + 1, weight + items[j].second); if (count == LIMIT) return; } } int main() { indices.resize(items.size()); subsum(0, 0); return 0; }
Change the programming language of this snippet from Julia to Java without modifying what it does.
using Combinatorics const pairs = [ "alliance" => -624, "archbishop" => -915, "balm" => 397, "bonnet" => 452, "brute" => 870, "centipede" => -658, "cobol" => 362, "covariate" => 590, "departure" => 952, "deploy" => 44, "diophantine" => 645, "efferent" => 54, "elysee" => -326, "eradicate" => 376, "escritoire" => 856, "exorcism" => -983, "fiat" => 170, "filmy" => -874, "flatworm" => 503, "gestapo" => 915, "infra" => -847, "isis" => -982, "lindholm" => 999, "markham" => 475, "mincemeat" => -880, "moresby" => 756, "mycenae" => 183, "plugging" => -266, "smokescreen" => 423, "speakeasy" => -745, "vein" => 813] const weights = [v for (k, v) in pairs] const weightkeyed = Dict(Pair(v, k) for (k, v) in pairs) function zerosums() total = 0 for i in 1:length(weights) print("\nFor length $i: ") sets = [a for a in combinations(weights, i) if sum(a) == 0] if (n = length(sets)) == 0 print("None") else total += n print("$n sets, example: ", map(x -> weightkeyed[x], rand(sets))) end end println("\n\nGrand total sets: $total") end zerosums()
public class SubsetSum { private static class Item { private String word; private int weight; public Item(String word, int weight) { this.word = word; this.weight = weight; } @Override public String toString() { return String.format("(%s, %d)", word, weight); } } private static Item[] items = new Item[]{ new Item("alliance", -624), new Item("archbishop", -915), new Item("balm", 397), new Item("bonnet", 452), new Item("brute", 870), new Item("centipede", -658), new Item("cobol", 362), new Item("covariate", 590), new Item("departure", 952), new Item("deploy", 44), new Item("diophantine", 645), new Item("efferent", 54), new Item("elysee", -326), new Item("eradicate", 376), new Item("escritoire", 856), new Item("exorcism", -983), new Item("fiat", 170), new Item("filmy", -874), new Item("flatworm", 503), new Item("gestapo", 915), new Item("infra", -847), new Item("isis", -982), new Item("lindholm", 999), new Item("markham", 475), new Item("mincemeat", -880), new Item("moresby", 756), new Item("mycenae", 183), new Item("plugging", -266), new Item("smokescreen", 423), new Item("speakeasy", -745), new Item("vein", 813), }; private static final int n = items.length; private static final int[] indices = new int[n]; private static int count = 0; private static final int LIMIT = 5; private static void zeroSum(int i, int w) { if (i != 0 && w == 0) { for (int j = 0; j < i; ++j) { System.out.printf("%s ", items[indices[j]]); } System.out.println("\n"); if (count < LIMIT) count++; else return; } int k = (i != 0) ? indices[i - 1] + 1 : 0; for (int j = k; j < n; ++j) { indices[i] = j; zeroSum(i + 1, w + items[j].weight); if (count == LIMIT) return; } } public static void main(String[] args) { System.out.printf("The weights of the following %d subsets add up to zero:\n\n", LIMIT); zeroSum(0, 0); } }
Produce a functionally identical Java code for the snippet given in Julia.
using Combinatorics const pairs = [ "alliance" => -624, "archbishop" => -915, "balm" => 397, "bonnet" => 452, "brute" => 870, "centipede" => -658, "cobol" => 362, "covariate" => 590, "departure" => 952, "deploy" => 44, "diophantine" => 645, "efferent" => 54, "elysee" => -326, "eradicate" => 376, "escritoire" => 856, "exorcism" => -983, "fiat" => 170, "filmy" => -874, "flatworm" => 503, "gestapo" => 915, "infra" => -847, "isis" => -982, "lindholm" => 999, "markham" => 475, "mincemeat" => -880, "moresby" => 756, "mycenae" => 183, "plugging" => -266, "smokescreen" => 423, "speakeasy" => -745, "vein" => 813] const weights = [v for (k, v) in pairs] const weightkeyed = Dict(Pair(v, k) for (k, v) in pairs) function zerosums() total = 0 for i in 1:length(weights) print("\nFor length $i: ") sets = [a for a in combinations(weights, i) if sum(a) == 0] if (n = length(sets)) == 0 print("None") else total += n print("$n sets, example: ", map(x -> weightkeyed[x], rand(sets))) end end println("\n\nGrand total sets: $total") end zerosums()
public class SubsetSum { private static class Item { private String word; private int weight; public Item(String word, int weight) { this.word = word; this.weight = weight; } @Override public String toString() { return String.format("(%s, %d)", word, weight); } } private static Item[] items = new Item[]{ new Item("alliance", -624), new Item("archbishop", -915), new Item("balm", 397), new Item("bonnet", 452), new Item("brute", 870), new Item("centipede", -658), new Item("cobol", 362), new Item("covariate", 590), new Item("departure", 952), new Item("deploy", 44), new Item("diophantine", 645), new Item("efferent", 54), new Item("elysee", -326), new Item("eradicate", 376), new Item("escritoire", 856), new Item("exorcism", -983), new Item("fiat", 170), new Item("filmy", -874), new Item("flatworm", 503), new Item("gestapo", 915), new Item("infra", -847), new Item("isis", -982), new Item("lindholm", 999), new Item("markham", 475), new Item("mincemeat", -880), new Item("moresby", 756), new Item("mycenae", 183), new Item("plugging", -266), new Item("smokescreen", 423), new Item("speakeasy", -745), new Item("vein", 813), }; private static final int n = items.length; private static final int[] indices = new int[n]; private static int count = 0; private static final int LIMIT = 5; private static void zeroSum(int i, int w) { if (i != 0 && w == 0) { for (int j = 0; j < i; ++j) { System.out.printf("%s ", items[indices[j]]); } System.out.println("\n"); if (count < LIMIT) count++; else return; } int k = (i != 0) ? indices[i - 1] + 1 : 0; for (int j = k; j < n; ++j) { indices[i] = j; zeroSum(i + 1, w + items[j].weight); if (count == LIMIT) return; } } public static void main(String[] args) { System.out.printf("The weights of the following %d subsets add up to zero:\n\n", LIMIT); zeroSum(0, 0); } }
Ensure the translated Python code behaves exactly like the original Julia snippet.
using Combinatorics const pairs = [ "alliance" => -624, "archbishop" => -915, "balm" => 397, "bonnet" => 452, "brute" => 870, "centipede" => -658, "cobol" => 362, "covariate" => 590, "departure" => 952, "deploy" => 44, "diophantine" => 645, "efferent" => 54, "elysee" => -326, "eradicate" => 376, "escritoire" => 856, "exorcism" => -983, "fiat" => 170, "filmy" => -874, "flatworm" => 503, "gestapo" => 915, "infra" => -847, "isis" => -982, "lindholm" => 999, "markham" => 475, "mincemeat" => -880, "moresby" => 756, "mycenae" => 183, "plugging" => -266, "smokescreen" => 423, "speakeasy" => -745, "vein" => 813] const weights = [v for (k, v) in pairs] const weightkeyed = Dict(Pair(v, k) for (k, v) in pairs) function zerosums() total = 0 for i in 1:length(weights) print("\nFor length $i: ") sets = [a for a in combinations(weights, i) if sum(a) == 0] if (n = length(sets)) == 0 print("None") else total += n print("$n sets, example: ", map(x -> weightkeyed[x], rand(sets))) end end println("\n\nGrand total sets: $total") end zerosums()
words = { "alliance": -624, "archbishop": -925, "balm": 397, "bonnet": 452, "brute": 870, "centipede": -658, "cobol": 362, "covariate": 590, "departure": 952, "deploy": 44, "diophantine": 645, "efferent": 54, "elysee": -326, "eradicate": 376, "escritoire": 856, "exorcism": -983, "fiat": 170, "filmy": -874, "flatworm": 503, "gestapo": 915, "infra": -847, "isis": -982, "lindholm": 999, "markham": 475, "mincemeat": -880, "moresby": 756, "mycenae": 183, "plugging": -266, "smokescreen": 423, "speakeasy": -745, "vein": 813 } neg = 0 pos = 0 for (w,v) in words.iteritems(): if v > 0: pos += v else: neg += v sums = [0] * (pos - neg + 1) for (w,v) in words.iteritems(): s = sums[:] if not s[v - neg]: s[v - neg] = (w,) for (i, w2) in enumerate(sums): if w2 and not s[i + v]: s[i + v] = w2 + (w,) sums = s if s[-neg]: for x in s[-neg]: print(x, words[x]) break
Write a version of this Julia function in Python with identical behavior.
using Combinatorics const pairs = [ "alliance" => -624, "archbishop" => -915, "balm" => 397, "bonnet" => 452, "brute" => 870, "centipede" => -658, "cobol" => 362, "covariate" => 590, "departure" => 952, "deploy" => 44, "diophantine" => 645, "efferent" => 54, "elysee" => -326, "eradicate" => 376, "escritoire" => 856, "exorcism" => -983, "fiat" => 170, "filmy" => -874, "flatworm" => 503, "gestapo" => 915, "infra" => -847, "isis" => -982, "lindholm" => 999, "markham" => 475, "mincemeat" => -880, "moresby" => 756, "mycenae" => 183, "plugging" => -266, "smokescreen" => 423, "speakeasy" => -745, "vein" => 813] const weights = [v for (k, v) in pairs] const weightkeyed = Dict(Pair(v, k) for (k, v) in pairs) function zerosums() total = 0 for i in 1:length(weights) print("\nFor length $i: ") sets = [a for a in combinations(weights, i) if sum(a) == 0] if (n = length(sets)) == 0 print("None") else total += n print("$n sets, example: ", map(x -> weightkeyed[x], rand(sets))) end end println("\n\nGrand total sets: $total") end zerosums()
words = { "alliance": -624, "archbishop": -925, "balm": 397, "bonnet": 452, "brute": 870, "centipede": -658, "cobol": 362, "covariate": 590, "departure": 952, "deploy": 44, "diophantine": 645, "efferent": 54, "elysee": -326, "eradicate": 376, "escritoire": 856, "exorcism": -983, "fiat": 170, "filmy": -874, "flatworm": 503, "gestapo": 915, "infra": -847, "isis": -982, "lindholm": 999, "markham": 475, "mincemeat": -880, "moresby": 756, "mycenae": 183, "plugging": -266, "smokescreen": 423, "speakeasy": -745, "vein": 813 } neg = 0 pos = 0 for (w,v) in words.iteritems(): if v > 0: pos += v else: neg += v sums = [0] * (pos - neg + 1) for (w,v) in words.iteritems(): s = sums[:] if not s[v - neg]: s[v - neg] = (w,) for (i, w2) in enumerate(sums): if w2 and not s[i + v]: s[i + v] = w2 + (w,) sums = s if s[-neg]: for x in s[-neg]: print(x, words[x]) break
Write the same algorithm in Go as shown in this Julia implementation.
using Combinatorics const pairs = [ "alliance" => -624, "archbishop" => -915, "balm" => 397, "bonnet" => 452, "brute" => 870, "centipede" => -658, "cobol" => 362, "covariate" => 590, "departure" => 952, "deploy" => 44, "diophantine" => 645, "efferent" => 54, "elysee" => -326, "eradicate" => 376, "escritoire" => 856, "exorcism" => -983, "fiat" => 170, "filmy" => -874, "flatworm" => 503, "gestapo" => 915, "infra" => -847, "isis" => -982, "lindholm" => 999, "markham" => 475, "mincemeat" => -880, "moresby" => 756, "mycenae" => 183, "plugging" => -266, "smokescreen" => 423, "speakeasy" => -745, "vein" => 813] const weights = [v for (k, v) in pairs] const weightkeyed = Dict(Pair(v, k) for (k, v) in pairs) function zerosums() total = 0 for i in 1:length(weights) print("\nFor length $i: ") sets = [a for a in combinations(weights, i) if sum(a) == 0] if (n = length(sets)) == 0 print("None") else total += n print("$n sets, example: ", map(x -> weightkeyed[x], rand(sets))) end end println("\n\nGrand total sets: $total") end zerosums()
package main import "fmt" type ww struct { word string weight int } var input = []*ww{ {"alliance", -624}, {"archbishop", -915}, {"balm", 397}, {"bonnet", 452}, {"brute", 870}, {"centipede", -658}, {"cobol", 362}, {"covariate", 590}, {"departure", 952}, {"deploy", 44}, {"diophantine", 645}, {"efferent", 54}, {"elysee", -326}, {"eradicate", 376}, {"escritoire", 856}, {"exorcism", -983}, {"fiat", 170}, {"filmy", -874}, {"flatworm", 503}, {"gestapo", 915}, {"infra", -847}, {"isis", -982}, {"lindholm", 999}, {"markham", 475}, {"mincemeat", -880}, {"moresby", 756}, {"mycenae", 183}, {"plugging", -266}, {"smokescreen", 423}, {"speakeasy", -745}, {"vein", 813}, } type sss struct { subset []*ww sum int } func main() { ps := []sss{{nil, 0}} for _, i := range input { pl := len(ps) for j := 0; j < pl; j++ { subset := append([]*ww{i}, ps[j].subset...) sum := i.weight + ps[j].sum if sum == 0 { fmt.Println("this subset sums to 0:") for _, i := range subset { fmt.Println(*i) } return } ps = append(ps, sss{subset, sum}) } } fmt.Println("no subset sums to 0") }
Convert the following code from Julia to Go, ensuring the logic remains intact.
using Combinatorics const pairs = [ "alliance" => -624, "archbishop" => -915, "balm" => 397, "bonnet" => 452, "brute" => 870, "centipede" => -658, "cobol" => 362, "covariate" => 590, "departure" => 952, "deploy" => 44, "diophantine" => 645, "efferent" => 54, "elysee" => -326, "eradicate" => 376, "escritoire" => 856, "exorcism" => -983, "fiat" => 170, "filmy" => -874, "flatworm" => 503, "gestapo" => 915, "infra" => -847, "isis" => -982, "lindholm" => 999, "markham" => 475, "mincemeat" => -880, "moresby" => 756, "mycenae" => 183, "plugging" => -266, "smokescreen" => 423, "speakeasy" => -745, "vein" => 813] const weights = [v for (k, v) in pairs] const weightkeyed = Dict(Pair(v, k) for (k, v) in pairs) function zerosums() total = 0 for i in 1:length(weights) print("\nFor length $i: ") sets = [a for a in combinations(weights, i) if sum(a) == 0] if (n = length(sets)) == 0 print("None") else total += n print("$n sets, example: ", map(x -> weightkeyed[x], rand(sets))) end end println("\n\nGrand total sets: $total") end zerosums()
package main import "fmt" type ww struct { word string weight int } var input = []*ww{ {"alliance", -624}, {"archbishop", -915}, {"balm", 397}, {"bonnet", 452}, {"brute", 870}, {"centipede", -658}, {"cobol", 362}, {"covariate", 590}, {"departure", 952}, {"deploy", 44}, {"diophantine", 645}, {"efferent", 54}, {"elysee", -326}, {"eradicate", 376}, {"escritoire", 856}, {"exorcism", -983}, {"fiat", 170}, {"filmy", -874}, {"flatworm", 503}, {"gestapo", 915}, {"infra", -847}, {"isis", -982}, {"lindholm", 999}, {"markham", 475}, {"mincemeat", -880}, {"moresby", 756}, {"mycenae", 183}, {"plugging", -266}, {"smokescreen", 423}, {"speakeasy", -745}, {"vein", 813}, } type sss struct { subset []*ww sum int } func main() { ps := []sss{{nil, 0}} for _, i := range input { pl := len(ps) for j := 0; j < pl; j++ { subset := append([]*ww{i}, ps[j].subset...) sum := i.weight + ps[j].sum if sum == 0 { fmt.Println("this subset sums to 0:") for _, i := range subset { fmt.Println(*i) } return } ps = append(ps, sss{subset, sum}) } } fmt.Println("no subset sums to 0") }
Change the programming language of this snippet from Mathematica to C without modifying what it does.
a = {{"alliance", -624}, {"archbishop", -915}, {"balm", 397}, {"bonnet", 452}, {"brute", 870}, {"centipede", -658}, {"cobol", 362}, {"covariate", 590},{"departure", 952}, {"deploy", 44}, {"diophantine", 645}, {"efferent", 54}, {"elysee", -326}, {"eradicate", 376}, {"escritoire", 856}, {"exorcism", -983}, {"fiat", 170}, {"filmy", -874}, {"flatworm", 503}, {"gestapo", 915}, {"infra", -847}, {"isis", -982}, {"lindholm", 999}, {"markham", 475}, {"mincemeat", -880}, {"moresby", 756}, {"mycenae", 183}, {"plugging", -266}, {"smokescreen", 423}, {"speakeasy", -745}, {"vein", 813}}; result = Rest@Select[ Subsets[a, 7], (Total[#[[;; , 2]]] == 0) &]; Map[ (Print["A zero-sum subset of length ", Length[#], " : ", #[[;; , 1]]])& , result ]
#include <stdio.h> #include <stdlib.h> typedef struct { char *word; int weight; } item_t; item_t items[] = { {"alliance", -624}, {"archbishop", -915}, {"balm", 397}, {"bonnet", 452}, {"brute", 870}, {"centipede", -658}, {"cobol", 362}, {"covariate", 590}, {"departure", 952}, {"deploy", 44}, {"diophantine", 645}, {"efferent", 54}, {"elysee", -326}, {"eradicate", 376}, {"escritoire", 856}, {"exorcism", -983}, {"fiat", 170}, {"filmy", -874}, {"flatworm", 503}, {"gestapo", 915}, {"infra", -847}, {"isis", -982}, {"lindholm", 999}, {"markham", 475}, {"mincemeat", -880}, {"moresby", 756}, {"mycenae", 183}, {"plugging", -266}, {"smokescreen", 423}, {"speakeasy", -745}, {"vein", 813}, }; int n = sizeof (items) / sizeof (item_t); int *set; void subsum (int i, int weight) { int j; if (i && !weight) { for (j = 0; j < i; j++) { item_t item = items[set[j]]; printf("%s%s", j ? " " : "", items[set[j]].word); } printf("\n"); } for (j = i ? set[i - 1] + 1: 0; j < n; j++) { set[i] = j; subsum(i + 1, weight + items[j].weight); } } int main () { set = malloc(n * sizeof (int)); subsum(0, 0); return 0; }
Translate this program into C but keep the logic exactly as in Mathematica.
a = {{"alliance", -624}, {"archbishop", -915}, {"balm", 397}, {"bonnet", 452}, {"brute", 870}, {"centipede", -658}, {"cobol", 362}, {"covariate", 590},{"departure", 952}, {"deploy", 44}, {"diophantine", 645}, {"efferent", 54}, {"elysee", -326}, {"eradicate", 376}, {"escritoire", 856}, {"exorcism", -983}, {"fiat", 170}, {"filmy", -874}, {"flatworm", 503}, {"gestapo", 915}, {"infra", -847}, {"isis", -982}, {"lindholm", 999}, {"markham", 475}, {"mincemeat", -880}, {"moresby", 756}, {"mycenae", 183}, {"plugging", -266}, {"smokescreen", 423}, {"speakeasy", -745}, {"vein", 813}}; result = Rest@Select[ Subsets[a, 7], (Total[#[[;; , 2]]] == 0) &]; Map[ (Print["A zero-sum subset of length ", Length[#], " : ", #[[;; , 1]]])& , result ]
#include <stdio.h> #include <stdlib.h> typedef struct { char *word; int weight; } item_t; item_t items[] = { {"alliance", -624}, {"archbishop", -915}, {"balm", 397}, {"bonnet", 452}, {"brute", 870}, {"centipede", -658}, {"cobol", 362}, {"covariate", 590}, {"departure", 952}, {"deploy", 44}, {"diophantine", 645}, {"efferent", 54}, {"elysee", -326}, {"eradicate", 376}, {"escritoire", 856}, {"exorcism", -983}, {"fiat", 170}, {"filmy", -874}, {"flatworm", 503}, {"gestapo", 915}, {"infra", -847}, {"isis", -982}, {"lindholm", 999}, {"markham", 475}, {"mincemeat", -880}, {"moresby", 756}, {"mycenae", 183}, {"plugging", -266}, {"smokescreen", 423}, {"speakeasy", -745}, {"vein", 813}, }; int n = sizeof (items) / sizeof (item_t); int *set; void subsum (int i, int weight) { int j; if (i && !weight) { for (j = 0; j < i; j++) { item_t item = items[set[j]]; printf("%s%s", j ? " " : "", items[set[j]].word); } printf("\n"); } for (j = i ? set[i - 1] + 1: 0; j < n; j++) { set[i] = j; subsum(i + 1, weight + items[j].weight); } } int main () { set = malloc(n * sizeof (int)); subsum(0, 0); return 0; }
Transform the following Mathematica implementation into C#, maintaining the same output and logic.
a = {{"alliance", -624}, {"archbishop", -915}, {"balm", 397}, {"bonnet", 452}, {"brute", 870}, {"centipede", -658}, {"cobol", 362}, {"covariate", 590},{"departure", 952}, {"deploy", 44}, {"diophantine", 645}, {"efferent", 54}, {"elysee", -326}, {"eradicate", 376}, {"escritoire", 856}, {"exorcism", -983}, {"fiat", 170}, {"filmy", -874}, {"flatworm", 503}, {"gestapo", 915}, {"infra", -847}, {"isis", -982}, {"lindholm", 999}, {"markham", 475}, {"mincemeat", -880}, {"moresby", 756}, {"mycenae", 183}, {"plugging", -266}, {"smokescreen", 423}, {"speakeasy", -745}, {"vein", 813}}; result = Rest@Select[ Subsets[a, 7], (Total[#[[;; , 2]]] == 0) &]; Map[ (Print["A zero-sum subset of length ", Length[#], " : ", #[[;; , 1]]])& , result ]
using System; using System.Collections.Generic; namespace SubsetSum { class Item { public Item(string word, int weight) { Word = word; Weight = weight; } public string Word { get; set; } public int Weight { get; set; } public override string ToString() { return string.Format("({0}, {1})", Word, Weight); } } class Program { private static readonly List<Item> items = new List<Item>() { new Item("alliance", -624), new Item("archbishop", -915), new Item("balm", 397), new Item("bonnet", 452), new Item("brute", 870), new Item("centipede", -658), new Item("cobol", 362), new Item("covariate", 590), new Item("departure", 952), new Item("deploy", 44), new Item("diophantine", 645), new Item("efferent", 54), new Item("elysee", -326), new Item("eradicate", 376), new Item("escritoire", 856), new Item("exorcism", -983), new Item("fiat", 170), new Item("filmy", -874), new Item("flatworm", 503), new Item("gestapo", 915), new Item("infra", -847), new Item("isis", -982), new Item("lindholm", 999), new Item("markham", 475), new Item("mincemeat", -880), new Item("moresby", 756), new Item("mycenae", 183), new Item("plugging", -266), new Item("smokescreen", 423), new Item("speakeasy", -745), new Item("vein", 813), }; private static readonly int n = items.Count; private static readonly int LIMIT = 5; private static int[] indices = new int[n]; private static int count = 0; private static void ZeroSum(int i, int w) { if (i != 0 && w == 0) { for (int j = 0; j < i; j++) { Console.Write("{0} ", items[indices[j]]); } Console.WriteLine("\n"); if (count < LIMIT) count++; else return; } int k = (i != 0) ? indices[i - 1] + 1 : 0; for (int j = k; j < n; j++) { indices[i] = j; ZeroSum(i + 1, w + items[j].Weight); if (count == LIMIT) return; } } static void Main(string[] args) { Console.WriteLine("The weights of the following {0} subsets add up to zero:\n", LIMIT); ZeroSum(0, 0); } } }
Can you help me rewrite this code in C# instead of Mathematica, keeping it the same logically?
a = {{"alliance", -624}, {"archbishop", -915}, {"balm", 397}, {"bonnet", 452}, {"brute", 870}, {"centipede", -658}, {"cobol", 362}, {"covariate", 590},{"departure", 952}, {"deploy", 44}, {"diophantine", 645}, {"efferent", 54}, {"elysee", -326}, {"eradicate", 376}, {"escritoire", 856}, {"exorcism", -983}, {"fiat", 170}, {"filmy", -874}, {"flatworm", 503}, {"gestapo", 915}, {"infra", -847}, {"isis", -982}, {"lindholm", 999}, {"markham", 475}, {"mincemeat", -880}, {"moresby", 756}, {"mycenae", 183}, {"plugging", -266}, {"smokescreen", 423}, {"speakeasy", -745}, {"vein", 813}}; result = Rest@Select[ Subsets[a, 7], (Total[#[[;; , 2]]] == 0) &]; Map[ (Print["A zero-sum subset of length ", Length[#], " : ", #[[;; , 1]]])& , result ]
using System; using System.Collections.Generic; namespace SubsetSum { class Item { public Item(string word, int weight) { Word = word; Weight = weight; } public string Word { get; set; } public int Weight { get; set; } public override string ToString() { return string.Format("({0}, {1})", Word, Weight); } } class Program { private static readonly List<Item> items = new List<Item>() { new Item("alliance", -624), new Item("archbishop", -915), new Item("balm", 397), new Item("bonnet", 452), new Item("brute", 870), new Item("centipede", -658), new Item("cobol", 362), new Item("covariate", 590), new Item("departure", 952), new Item("deploy", 44), new Item("diophantine", 645), new Item("efferent", 54), new Item("elysee", -326), new Item("eradicate", 376), new Item("escritoire", 856), new Item("exorcism", -983), new Item("fiat", 170), new Item("filmy", -874), new Item("flatworm", 503), new Item("gestapo", 915), new Item("infra", -847), new Item("isis", -982), new Item("lindholm", 999), new Item("markham", 475), new Item("mincemeat", -880), new Item("moresby", 756), new Item("mycenae", 183), new Item("plugging", -266), new Item("smokescreen", 423), new Item("speakeasy", -745), new Item("vein", 813), }; private static readonly int n = items.Count; private static readonly int LIMIT = 5; private static int[] indices = new int[n]; private static int count = 0; private static void ZeroSum(int i, int w) { if (i != 0 && w == 0) { for (int j = 0; j < i; j++) { Console.Write("{0} ", items[indices[j]]); } Console.WriteLine("\n"); if (count < LIMIT) count++; else return; } int k = (i != 0) ? indices[i - 1] + 1 : 0; for (int j = k; j < n; j++) { indices[i] = j; ZeroSum(i + 1, w + items[j].Weight); if (count == LIMIT) return; } } static void Main(string[] args) { Console.WriteLine("The weights of the following {0} subsets add up to zero:\n", LIMIT); ZeroSum(0, 0); } } }
Change the following Mathematica code into C++ without altering its purpose.
a = {{"alliance", -624}, {"archbishop", -915}, {"balm", 397}, {"bonnet", 452}, {"brute", 870}, {"centipede", -658}, {"cobol", 362}, {"covariate", 590},{"departure", 952}, {"deploy", 44}, {"diophantine", 645}, {"efferent", 54}, {"elysee", -326}, {"eradicate", 376}, {"escritoire", 856}, {"exorcism", -983}, {"fiat", 170}, {"filmy", -874}, {"flatworm", 503}, {"gestapo", 915}, {"infra", -847}, {"isis", -982}, {"lindholm", 999}, {"markham", 475}, {"mincemeat", -880}, {"moresby", 756}, {"mycenae", 183}, {"plugging", -266}, {"smokescreen", 423}, {"speakeasy", -745}, {"vein", 813}}; result = Rest@Select[ Subsets[a, 7], (Total[#[[;; , 2]]] == 0) &]; Map[ (Print["A zero-sum subset of length ", Length[#], " : ", #[[;; , 1]]])& , result ]
#include <iostream> #include <vector> std::ostream& operator<<(std::ostream& out, const std::string& str) { return out << str.c_str(); } std::vector<std::pair<std::string, int>> items{ {"alliance", -624}, {"archbishop", -915}, {"balm", 397}, {"bonnet", 452}, {"brute", 870}, {"centipede", -658}, {"cobol", 362}, {"covariate", 590}, {"departure", 952}, {"deploy", 44}, {"diophantine", 645}, {"efferent", 54}, {"elysee", -326}, {"eradicate", 376}, {"escritoire", 856}, {"exorcism", -983}, {"fiat", 170}, {"filmy", -874}, {"flatworm", 503}, {"gestapo", 915}, {"infra", -847}, {"isis", -982}, {"lindholm", 999}, {"markham", 475}, {"mincemeat", -880}, {"moresby", 756}, {"mycenae", 183}, {"plugging", -266}, {"smokescreen", 423}, {"speakeasy", -745}, {"vein", 813}, }; std::vector<int> indices; int count = 0; const int LIMIT = 5; void subsum(int i, int weight) { if (i != 0 && weight == 0) { for (int j = 0; j < i; ++j) { auto item = items[indices[j]]; std::cout << (j ? " " : "") << item.first; } std::cout << '\n'; if (count < LIMIT) count++; else return; } int k = (i != 0) ? indices[i - 1] + 1 : 0; for (int j = k; j < items.size(); ++j) { indices[i] = j; subsum(i + 1, weight + items[j].second); if (count == LIMIT) return; } } int main() { indices.resize(items.size()); subsum(0, 0); return 0; }
Convert this Mathematica snippet to C++ and keep its semantics consistent.
a = {{"alliance", -624}, {"archbishop", -915}, {"balm", 397}, {"bonnet", 452}, {"brute", 870}, {"centipede", -658}, {"cobol", 362}, {"covariate", 590},{"departure", 952}, {"deploy", 44}, {"diophantine", 645}, {"efferent", 54}, {"elysee", -326}, {"eradicate", 376}, {"escritoire", 856}, {"exorcism", -983}, {"fiat", 170}, {"filmy", -874}, {"flatworm", 503}, {"gestapo", 915}, {"infra", -847}, {"isis", -982}, {"lindholm", 999}, {"markham", 475}, {"mincemeat", -880}, {"moresby", 756}, {"mycenae", 183}, {"plugging", -266}, {"smokescreen", 423}, {"speakeasy", -745}, {"vein", 813}}; result = Rest@Select[ Subsets[a, 7], (Total[#[[;; , 2]]] == 0) &]; Map[ (Print["A zero-sum subset of length ", Length[#], " : ", #[[;; , 1]]])& , result ]
#include <iostream> #include <vector> std::ostream& operator<<(std::ostream& out, const std::string& str) { return out << str.c_str(); } std::vector<std::pair<std::string, int>> items{ {"alliance", -624}, {"archbishop", -915}, {"balm", 397}, {"bonnet", 452}, {"brute", 870}, {"centipede", -658}, {"cobol", 362}, {"covariate", 590}, {"departure", 952}, {"deploy", 44}, {"diophantine", 645}, {"efferent", 54}, {"elysee", -326}, {"eradicate", 376}, {"escritoire", 856}, {"exorcism", -983}, {"fiat", 170}, {"filmy", -874}, {"flatworm", 503}, {"gestapo", 915}, {"infra", -847}, {"isis", -982}, {"lindholm", 999}, {"markham", 475}, {"mincemeat", -880}, {"moresby", 756}, {"mycenae", 183}, {"plugging", -266}, {"smokescreen", 423}, {"speakeasy", -745}, {"vein", 813}, }; std::vector<int> indices; int count = 0; const int LIMIT = 5; void subsum(int i, int weight) { if (i != 0 && weight == 0) { for (int j = 0; j < i; ++j) { auto item = items[indices[j]]; std::cout << (j ? " " : "") << item.first; } std::cout << '\n'; if (count < LIMIT) count++; else return; } int k = (i != 0) ? indices[i - 1] + 1 : 0; for (int j = k; j < items.size(); ++j) { indices[i] = j; subsum(i + 1, weight + items[j].second); if (count == LIMIT) return; } } int main() { indices.resize(items.size()); subsum(0, 0); return 0; }
Produce a language-to-language conversion: from Mathematica to Java, same semantics.
a = {{"alliance", -624}, {"archbishop", -915}, {"balm", 397}, {"bonnet", 452}, {"brute", 870}, {"centipede", -658}, {"cobol", 362}, {"covariate", 590},{"departure", 952}, {"deploy", 44}, {"diophantine", 645}, {"efferent", 54}, {"elysee", -326}, {"eradicate", 376}, {"escritoire", 856}, {"exorcism", -983}, {"fiat", 170}, {"filmy", -874}, {"flatworm", 503}, {"gestapo", 915}, {"infra", -847}, {"isis", -982}, {"lindholm", 999}, {"markham", 475}, {"mincemeat", -880}, {"moresby", 756}, {"mycenae", 183}, {"plugging", -266}, {"smokescreen", 423}, {"speakeasy", -745}, {"vein", 813}}; result = Rest@Select[ Subsets[a, 7], (Total[#[[;; , 2]]] == 0) &]; Map[ (Print["A zero-sum subset of length ", Length[#], " : ", #[[;; , 1]]])& , result ]
public class SubsetSum { private static class Item { private String word; private int weight; public Item(String word, int weight) { this.word = word; this.weight = weight; } @Override public String toString() { return String.format("(%s, %d)", word, weight); } } private static Item[] items = new Item[]{ new Item("alliance", -624), new Item("archbishop", -915), new Item("balm", 397), new Item("bonnet", 452), new Item("brute", 870), new Item("centipede", -658), new Item("cobol", 362), new Item("covariate", 590), new Item("departure", 952), new Item("deploy", 44), new Item("diophantine", 645), new Item("efferent", 54), new Item("elysee", -326), new Item("eradicate", 376), new Item("escritoire", 856), new Item("exorcism", -983), new Item("fiat", 170), new Item("filmy", -874), new Item("flatworm", 503), new Item("gestapo", 915), new Item("infra", -847), new Item("isis", -982), new Item("lindholm", 999), new Item("markham", 475), new Item("mincemeat", -880), new Item("moresby", 756), new Item("mycenae", 183), new Item("plugging", -266), new Item("smokescreen", 423), new Item("speakeasy", -745), new Item("vein", 813), }; private static final int n = items.length; private static final int[] indices = new int[n]; private static int count = 0; private static final int LIMIT = 5; private static void zeroSum(int i, int w) { if (i != 0 && w == 0) { for (int j = 0; j < i; ++j) { System.out.printf("%s ", items[indices[j]]); } System.out.println("\n"); if (count < LIMIT) count++; else return; } int k = (i != 0) ? indices[i - 1] + 1 : 0; for (int j = k; j < n; ++j) { indices[i] = j; zeroSum(i + 1, w + items[j].weight); if (count == LIMIT) return; } } public static void main(String[] args) { System.out.printf("The weights of the following %d subsets add up to zero:\n\n", LIMIT); zeroSum(0, 0); } }
Please provide an equivalent version of this Mathematica code in Java.
a = {{"alliance", -624}, {"archbishop", -915}, {"balm", 397}, {"bonnet", 452}, {"brute", 870}, {"centipede", -658}, {"cobol", 362}, {"covariate", 590},{"departure", 952}, {"deploy", 44}, {"diophantine", 645}, {"efferent", 54}, {"elysee", -326}, {"eradicate", 376}, {"escritoire", 856}, {"exorcism", -983}, {"fiat", 170}, {"filmy", -874}, {"flatworm", 503}, {"gestapo", 915}, {"infra", -847}, {"isis", -982}, {"lindholm", 999}, {"markham", 475}, {"mincemeat", -880}, {"moresby", 756}, {"mycenae", 183}, {"plugging", -266}, {"smokescreen", 423}, {"speakeasy", -745}, {"vein", 813}}; result = Rest@Select[ Subsets[a, 7], (Total[#[[;; , 2]]] == 0) &]; Map[ (Print["A zero-sum subset of length ", Length[#], " : ", #[[;; , 1]]])& , result ]
public class SubsetSum { private static class Item { private String word; private int weight; public Item(String word, int weight) { this.word = word; this.weight = weight; } @Override public String toString() { return String.format("(%s, %d)", word, weight); } } private static Item[] items = new Item[]{ new Item("alliance", -624), new Item("archbishop", -915), new Item("balm", 397), new Item("bonnet", 452), new Item("brute", 870), new Item("centipede", -658), new Item("cobol", 362), new Item("covariate", 590), new Item("departure", 952), new Item("deploy", 44), new Item("diophantine", 645), new Item("efferent", 54), new Item("elysee", -326), new Item("eradicate", 376), new Item("escritoire", 856), new Item("exorcism", -983), new Item("fiat", 170), new Item("filmy", -874), new Item("flatworm", 503), new Item("gestapo", 915), new Item("infra", -847), new Item("isis", -982), new Item("lindholm", 999), new Item("markham", 475), new Item("mincemeat", -880), new Item("moresby", 756), new Item("mycenae", 183), new Item("plugging", -266), new Item("smokescreen", 423), new Item("speakeasy", -745), new Item("vein", 813), }; private static final int n = items.length; private static final int[] indices = new int[n]; private static int count = 0; private static final int LIMIT = 5; private static void zeroSum(int i, int w) { if (i != 0 && w == 0) { for (int j = 0; j < i; ++j) { System.out.printf("%s ", items[indices[j]]); } System.out.println("\n"); if (count < LIMIT) count++; else return; } int k = (i != 0) ? indices[i - 1] + 1 : 0; for (int j = k; j < n; ++j) { indices[i] = j; zeroSum(i + 1, w + items[j].weight); if (count == LIMIT) return; } } public static void main(String[] args) { System.out.printf("The weights of the following %d subsets add up to zero:\n\n", LIMIT); zeroSum(0, 0); } }
Generate a Python translation of this Mathematica snippet without changing its computational steps.
a = {{"alliance", -624}, {"archbishop", -915}, {"balm", 397}, {"bonnet", 452}, {"brute", 870}, {"centipede", -658}, {"cobol", 362}, {"covariate", 590},{"departure", 952}, {"deploy", 44}, {"diophantine", 645}, {"efferent", 54}, {"elysee", -326}, {"eradicate", 376}, {"escritoire", 856}, {"exorcism", -983}, {"fiat", 170}, {"filmy", -874}, {"flatworm", 503}, {"gestapo", 915}, {"infra", -847}, {"isis", -982}, {"lindholm", 999}, {"markham", 475}, {"mincemeat", -880}, {"moresby", 756}, {"mycenae", 183}, {"plugging", -266}, {"smokescreen", 423}, {"speakeasy", -745}, {"vein", 813}}; result = Rest@Select[ Subsets[a, 7], (Total[#[[;; , 2]]] == 0) &]; Map[ (Print["A zero-sum subset of length ", Length[#], " : ", #[[;; , 1]]])& , result ]
words = { "alliance": -624, "archbishop": -925, "balm": 397, "bonnet": 452, "brute": 870, "centipede": -658, "cobol": 362, "covariate": 590, "departure": 952, "deploy": 44, "diophantine": 645, "efferent": 54, "elysee": -326, "eradicate": 376, "escritoire": 856, "exorcism": -983, "fiat": 170, "filmy": -874, "flatworm": 503, "gestapo": 915, "infra": -847, "isis": -982, "lindholm": 999, "markham": 475, "mincemeat": -880, "moresby": 756, "mycenae": 183, "plugging": -266, "smokescreen": 423, "speakeasy": -745, "vein": 813 } neg = 0 pos = 0 for (w,v) in words.iteritems(): if v > 0: pos += v else: neg += v sums = [0] * (pos - neg + 1) for (w,v) in words.iteritems(): s = sums[:] if not s[v - neg]: s[v - neg] = (w,) for (i, w2) in enumerate(sums): if w2 and not s[i + v]: s[i + v] = w2 + (w,) sums = s if s[-neg]: for x in s[-neg]: print(x, words[x]) break
Write the same code in Python as shown below in Mathematica.
a = {{"alliance", -624}, {"archbishop", -915}, {"balm", 397}, {"bonnet", 452}, {"brute", 870}, {"centipede", -658}, {"cobol", 362}, {"covariate", 590},{"departure", 952}, {"deploy", 44}, {"diophantine", 645}, {"efferent", 54}, {"elysee", -326}, {"eradicate", 376}, {"escritoire", 856}, {"exorcism", -983}, {"fiat", 170}, {"filmy", -874}, {"flatworm", 503}, {"gestapo", 915}, {"infra", -847}, {"isis", -982}, {"lindholm", 999}, {"markham", 475}, {"mincemeat", -880}, {"moresby", 756}, {"mycenae", 183}, {"plugging", -266}, {"smokescreen", 423}, {"speakeasy", -745}, {"vein", 813}}; result = Rest@Select[ Subsets[a, 7], (Total[#[[;; , 2]]] == 0) &]; Map[ (Print["A zero-sum subset of length ", Length[#], " : ", #[[;; , 1]]])& , result ]
words = { "alliance": -624, "archbishop": -925, "balm": 397, "bonnet": 452, "brute": 870, "centipede": -658, "cobol": 362, "covariate": 590, "departure": 952, "deploy": 44, "diophantine": 645, "efferent": 54, "elysee": -326, "eradicate": 376, "escritoire": 856, "exorcism": -983, "fiat": 170, "filmy": -874, "flatworm": 503, "gestapo": 915, "infra": -847, "isis": -982, "lindholm": 999, "markham": 475, "mincemeat": -880, "moresby": 756, "mycenae": 183, "plugging": -266, "smokescreen": 423, "speakeasy": -745, "vein": 813 } neg = 0 pos = 0 for (w,v) in words.iteritems(): if v > 0: pos += v else: neg += v sums = [0] * (pos - neg + 1) for (w,v) in words.iteritems(): s = sums[:] if not s[v - neg]: s[v - neg] = (w,) for (i, w2) in enumerate(sums): if w2 and not s[i + v]: s[i + v] = w2 + (w,) sums = s if s[-neg]: for x in s[-neg]: print(x, words[x]) break
Rewrite this program in Go while keeping its functionality equivalent to the Mathematica version.
a = {{"alliance", -624}, {"archbishop", -915}, {"balm", 397}, {"bonnet", 452}, {"brute", 870}, {"centipede", -658}, {"cobol", 362}, {"covariate", 590},{"departure", 952}, {"deploy", 44}, {"diophantine", 645}, {"efferent", 54}, {"elysee", -326}, {"eradicate", 376}, {"escritoire", 856}, {"exorcism", -983}, {"fiat", 170}, {"filmy", -874}, {"flatworm", 503}, {"gestapo", 915}, {"infra", -847}, {"isis", -982}, {"lindholm", 999}, {"markham", 475}, {"mincemeat", -880}, {"moresby", 756}, {"mycenae", 183}, {"plugging", -266}, {"smokescreen", 423}, {"speakeasy", -745}, {"vein", 813}}; result = Rest@Select[ Subsets[a, 7], (Total[#[[;; , 2]]] == 0) &]; Map[ (Print["A zero-sum subset of length ", Length[#], " : ", #[[;; , 1]]])& , result ]
package main import "fmt" type ww struct { word string weight int } var input = []*ww{ {"alliance", -624}, {"archbishop", -915}, {"balm", 397}, {"bonnet", 452}, {"brute", 870}, {"centipede", -658}, {"cobol", 362}, {"covariate", 590}, {"departure", 952}, {"deploy", 44}, {"diophantine", 645}, {"efferent", 54}, {"elysee", -326}, {"eradicate", 376}, {"escritoire", 856}, {"exorcism", -983}, {"fiat", 170}, {"filmy", -874}, {"flatworm", 503}, {"gestapo", 915}, {"infra", -847}, {"isis", -982}, {"lindholm", 999}, {"markham", 475}, {"mincemeat", -880}, {"moresby", 756}, {"mycenae", 183}, {"plugging", -266}, {"smokescreen", 423}, {"speakeasy", -745}, {"vein", 813}, } type sss struct { subset []*ww sum int } func main() { ps := []sss{{nil, 0}} for _, i := range input { pl := len(ps) for j := 0; j < pl; j++ { subset := append([]*ww{i}, ps[j].subset...) sum := i.weight + ps[j].sum if sum == 0 { fmt.Println("this subset sums to 0:") for _, i := range subset { fmt.Println(*i) } return } ps = append(ps, sss{subset, sum}) } } fmt.Println("no subset sums to 0") }
Write the same code in C as shown below in Nim.
import sequtils, strformat, strutils import itertools const Words = {"alliance": -624, "archbishop": -915, "balm": 397, "bonnet": 452, "brute": 870, "centipede": -658, "cobol": 362, "covariate": 590, "departure": 952, "deploy": 44, "diophantine": 645, "efferent": 54, "elysee": -326, "eradicate": 376, "escritoire": 856, "exorcism": -983, "fiat": 170, "filmy": -874, "flatworm": 503, "gestapo": 915, "infra": -847, "isis": -982, "lindholm": 999, "markham": 475, "mincemeat": -880, "moresby": 756, "mycenae": 183, "plugging": -266, "smokescreen": 423, "speakeasy": -745, "vein": 813} var words: seq[string] var values: seq[int] for (word, value) in Words: words.add word values.add value for lg in 1..words.len: block checkCombs: for comb in combinations(words.len, lg): var sum = 0 for idx in comb: sum += values[idx] if sum == 0: echo &"For length {lg}, found for example: ", comb.mapIt(words[it]).join(" ") break checkCombs echo &"For length {lg}, no set found."
#include <stdio.h> #include <stdlib.h> typedef struct { char *word; int weight; } item_t; item_t items[] = { {"alliance", -624}, {"archbishop", -915}, {"balm", 397}, {"bonnet", 452}, {"brute", 870}, {"centipede", -658}, {"cobol", 362}, {"covariate", 590}, {"departure", 952}, {"deploy", 44}, {"diophantine", 645}, {"efferent", 54}, {"elysee", -326}, {"eradicate", 376}, {"escritoire", 856}, {"exorcism", -983}, {"fiat", 170}, {"filmy", -874}, {"flatworm", 503}, {"gestapo", 915}, {"infra", -847}, {"isis", -982}, {"lindholm", 999}, {"markham", 475}, {"mincemeat", -880}, {"moresby", 756}, {"mycenae", 183}, {"plugging", -266}, {"smokescreen", 423}, {"speakeasy", -745}, {"vein", 813}, }; int n = sizeof (items) / sizeof (item_t); int *set; void subsum (int i, int weight) { int j; if (i && !weight) { for (j = 0; j < i; j++) { item_t item = items[set[j]]; printf("%s%s", j ? " " : "", items[set[j]].word); } printf("\n"); } for (j = i ? set[i - 1] + 1: 0; j < n; j++) { set[i] = j; subsum(i + 1, weight + items[j].weight); } } int main () { set = malloc(n * sizeof (int)); subsum(0, 0); return 0; }
Produce a functionally identical C code for the snippet given in Nim.
import sequtils, strformat, strutils import itertools const Words = {"alliance": -624, "archbishop": -915, "balm": 397, "bonnet": 452, "brute": 870, "centipede": -658, "cobol": 362, "covariate": 590, "departure": 952, "deploy": 44, "diophantine": 645, "efferent": 54, "elysee": -326, "eradicate": 376, "escritoire": 856, "exorcism": -983, "fiat": 170, "filmy": -874, "flatworm": 503, "gestapo": 915, "infra": -847, "isis": -982, "lindholm": 999, "markham": 475, "mincemeat": -880, "moresby": 756, "mycenae": 183, "plugging": -266, "smokescreen": 423, "speakeasy": -745, "vein": 813} var words: seq[string] var values: seq[int] for (word, value) in Words: words.add word values.add value for lg in 1..words.len: block checkCombs: for comb in combinations(words.len, lg): var sum = 0 for idx in comb: sum += values[idx] if sum == 0: echo &"For length {lg}, found for example: ", comb.mapIt(words[it]).join(" ") break checkCombs echo &"For length {lg}, no set found."
#include <stdio.h> #include <stdlib.h> typedef struct { char *word; int weight; } item_t; item_t items[] = { {"alliance", -624}, {"archbishop", -915}, {"balm", 397}, {"bonnet", 452}, {"brute", 870}, {"centipede", -658}, {"cobol", 362}, {"covariate", 590}, {"departure", 952}, {"deploy", 44}, {"diophantine", 645}, {"efferent", 54}, {"elysee", -326}, {"eradicate", 376}, {"escritoire", 856}, {"exorcism", -983}, {"fiat", 170}, {"filmy", -874}, {"flatworm", 503}, {"gestapo", 915}, {"infra", -847}, {"isis", -982}, {"lindholm", 999}, {"markham", 475}, {"mincemeat", -880}, {"moresby", 756}, {"mycenae", 183}, {"plugging", -266}, {"smokescreen", 423}, {"speakeasy", -745}, {"vein", 813}, }; int n = sizeof (items) / sizeof (item_t); int *set; void subsum (int i, int weight) { int j; if (i && !weight) { for (j = 0; j < i; j++) { item_t item = items[set[j]]; printf("%s%s", j ? " " : "", items[set[j]].word); } printf("\n"); } for (j = i ? set[i - 1] + 1: 0; j < n; j++) { set[i] = j; subsum(i + 1, weight + items[j].weight); } } int main () { set = malloc(n * sizeof (int)); subsum(0, 0); return 0; }
Write the same algorithm in C# as shown in this Nim implementation.
import sequtils, strformat, strutils import itertools const Words = {"alliance": -624, "archbishop": -915, "balm": 397, "bonnet": 452, "brute": 870, "centipede": -658, "cobol": 362, "covariate": 590, "departure": 952, "deploy": 44, "diophantine": 645, "efferent": 54, "elysee": -326, "eradicate": 376, "escritoire": 856, "exorcism": -983, "fiat": 170, "filmy": -874, "flatworm": 503, "gestapo": 915, "infra": -847, "isis": -982, "lindholm": 999, "markham": 475, "mincemeat": -880, "moresby": 756, "mycenae": 183, "plugging": -266, "smokescreen": 423, "speakeasy": -745, "vein": 813} var words: seq[string] var values: seq[int] for (word, value) in Words: words.add word values.add value for lg in 1..words.len: block checkCombs: for comb in combinations(words.len, lg): var sum = 0 for idx in comb: sum += values[idx] if sum == 0: echo &"For length {lg}, found for example: ", comb.mapIt(words[it]).join(" ") break checkCombs echo &"For length {lg}, no set found."
using System; using System.Collections.Generic; namespace SubsetSum { class Item { public Item(string word, int weight) { Word = word; Weight = weight; } public string Word { get; set; } public int Weight { get; set; } public override string ToString() { return string.Format("({0}, {1})", Word, Weight); } } class Program { private static readonly List<Item> items = new List<Item>() { new Item("alliance", -624), new Item("archbishop", -915), new Item("balm", 397), new Item("bonnet", 452), new Item("brute", 870), new Item("centipede", -658), new Item("cobol", 362), new Item("covariate", 590), new Item("departure", 952), new Item("deploy", 44), new Item("diophantine", 645), new Item("efferent", 54), new Item("elysee", -326), new Item("eradicate", 376), new Item("escritoire", 856), new Item("exorcism", -983), new Item("fiat", 170), new Item("filmy", -874), new Item("flatworm", 503), new Item("gestapo", 915), new Item("infra", -847), new Item("isis", -982), new Item("lindholm", 999), new Item("markham", 475), new Item("mincemeat", -880), new Item("moresby", 756), new Item("mycenae", 183), new Item("plugging", -266), new Item("smokescreen", 423), new Item("speakeasy", -745), new Item("vein", 813), }; private static readonly int n = items.Count; private static readonly int LIMIT = 5; private static int[] indices = new int[n]; private static int count = 0; private static void ZeroSum(int i, int w) { if (i != 0 && w == 0) { for (int j = 0; j < i; j++) { Console.Write("{0} ", items[indices[j]]); } Console.WriteLine("\n"); if (count < LIMIT) count++; else return; } int k = (i != 0) ? indices[i - 1] + 1 : 0; for (int j = k; j < n; j++) { indices[i] = j; ZeroSum(i + 1, w + items[j].Weight); if (count == LIMIT) return; } } static void Main(string[] args) { Console.WriteLine("The weights of the following {0} subsets add up to zero:\n", LIMIT); ZeroSum(0, 0); } } }
Change the following Nim code into C# without altering its purpose.
import sequtils, strformat, strutils import itertools const Words = {"alliance": -624, "archbishop": -915, "balm": 397, "bonnet": 452, "brute": 870, "centipede": -658, "cobol": 362, "covariate": 590, "departure": 952, "deploy": 44, "diophantine": 645, "efferent": 54, "elysee": -326, "eradicate": 376, "escritoire": 856, "exorcism": -983, "fiat": 170, "filmy": -874, "flatworm": 503, "gestapo": 915, "infra": -847, "isis": -982, "lindholm": 999, "markham": 475, "mincemeat": -880, "moresby": 756, "mycenae": 183, "plugging": -266, "smokescreen": 423, "speakeasy": -745, "vein": 813} var words: seq[string] var values: seq[int] for (word, value) in Words: words.add word values.add value for lg in 1..words.len: block checkCombs: for comb in combinations(words.len, lg): var sum = 0 for idx in comb: sum += values[idx] if sum == 0: echo &"For length {lg}, found for example: ", comb.mapIt(words[it]).join(" ") break checkCombs echo &"For length {lg}, no set found."
using System; using System.Collections.Generic; namespace SubsetSum { class Item { public Item(string word, int weight) { Word = word; Weight = weight; } public string Word { get; set; } public int Weight { get; set; } public override string ToString() { return string.Format("({0}, {1})", Word, Weight); } } class Program { private static readonly List<Item> items = new List<Item>() { new Item("alliance", -624), new Item("archbishop", -915), new Item("balm", 397), new Item("bonnet", 452), new Item("brute", 870), new Item("centipede", -658), new Item("cobol", 362), new Item("covariate", 590), new Item("departure", 952), new Item("deploy", 44), new Item("diophantine", 645), new Item("efferent", 54), new Item("elysee", -326), new Item("eradicate", 376), new Item("escritoire", 856), new Item("exorcism", -983), new Item("fiat", 170), new Item("filmy", -874), new Item("flatworm", 503), new Item("gestapo", 915), new Item("infra", -847), new Item("isis", -982), new Item("lindholm", 999), new Item("markham", 475), new Item("mincemeat", -880), new Item("moresby", 756), new Item("mycenae", 183), new Item("plugging", -266), new Item("smokescreen", 423), new Item("speakeasy", -745), new Item("vein", 813), }; private static readonly int n = items.Count; private static readonly int LIMIT = 5; private static int[] indices = new int[n]; private static int count = 0; private static void ZeroSum(int i, int w) { if (i != 0 && w == 0) { for (int j = 0; j < i; j++) { Console.Write("{0} ", items[indices[j]]); } Console.WriteLine("\n"); if (count < LIMIT) count++; else return; } int k = (i != 0) ? indices[i - 1] + 1 : 0; for (int j = k; j < n; j++) { indices[i] = j; ZeroSum(i + 1, w + items[j].Weight); if (count == LIMIT) return; } } static void Main(string[] args) { Console.WriteLine("The weights of the following {0} subsets add up to zero:\n", LIMIT); ZeroSum(0, 0); } } }
Write the same code in C++ as shown below in Nim.
import sequtils, strformat, strutils import itertools const Words = {"alliance": -624, "archbishop": -915, "balm": 397, "bonnet": 452, "brute": 870, "centipede": -658, "cobol": 362, "covariate": 590, "departure": 952, "deploy": 44, "diophantine": 645, "efferent": 54, "elysee": -326, "eradicate": 376, "escritoire": 856, "exorcism": -983, "fiat": 170, "filmy": -874, "flatworm": 503, "gestapo": 915, "infra": -847, "isis": -982, "lindholm": 999, "markham": 475, "mincemeat": -880, "moresby": 756, "mycenae": 183, "plugging": -266, "smokescreen": 423, "speakeasy": -745, "vein": 813} var words: seq[string] var values: seq[int] for (word, value) in Words: words.add word values.add value for lg in 1..words.len: block checkCombs: for comb in combinations(words.len, lg): var sum = 0 for idx in comb: sum += values[idx] if sum == 0: echo &"For length {lg}, found for example: ", comb.mapIt(words[it]).join(" ") break checkCombs echo &"For length {lg}, no set found."
#include <iostream> #include <vector> std::ostream& operator<<(std::ostream& out, const std::string& str) { return out << str.c_str(); } std::vector<std::pair<std::string, int>> items{ {"alliance", -624}, {"archbishop", -915}, {"balm", 397}, {"bonnet", 452}, {"brute", 870}, {"centipede", -658}, {"cobol", 362}, {"covariate", 590}, {"departure", 952}, {"deploy", 44}, {"diophantine", 645}, {"efferent", 54}, {"elysee", -326}, {"eradicate", 376}, {"escritoire", 856}, {"exorcism", -983}, {"fiat", 170}, {"filmy", -874}, {"flatworm", 503}, {"gestapo", 915}, {"infra", -847}, {"isis", -982}, {"lindholm", 999}, {"markham", 475}, {"mincemeat", -880}, {"moresby", 756}, {"mycenae", 183}, {"plugging", -266}, {"smokescreen", 423}, {"speakeasy", -745}, {"vein", 813}, }; std::vector<int> indices; int count = 0; const int LIMIT = 5; void subsum(int i, int weight) { if (i != 0 && weight == 0) { for (int j = 0; j < i; ++j) { auto item = items[indices[j]]; std::cout << (j ? " " : "") << item.first; } std::cout << '\n'; if (count < LIMIT) count++; else return; } int k = (i != 0) ? indices[i - 1] + 1 : 0; for (int j = k; j < items.size(); ++j) { indices[i] = j; subsum(i + 1, weight + items[j].second); if (count == LIMIT) return; } } int main() { indices.resize(items.size()); subsum(0, 0); return 0; }
Convert this Nim snippet to C++ and keep its semantics consistent.
import sequtils, strformat, strutils import itertools const Words = {"alliance": -624, "archbishop": -915, "balm": 397, "bonnet": 452, "brute": 870, "centipede": -658, "cobol": 362, "covariate": 590, "departure": 952, "deploy": 44, "diophantine": 645, "efferent": 54, "elysee": -326, "eradicate": 376, "escritoire": 856, "exorcism": -983, "fiat": 170, "filmy": -874, "flatworm": 503, "gestapo": 915, "infra": -847, "isis": -982, "lindholm": 999, "markham": 475, "mincemeat": -880, "moresby": 756, "mycenae": 183, "plugging": -266, "smokescreen": 423, "speakeasy": -745, "vein": 813} var words: seq[string] var values: seq[int] for (word, value) in Words: words.add word values.add value for lg in 1..words.len: block checkCombs: for comb in combinations(words.len, lg): var sum = 0 for idx in comb: sum += values[idx] if sum == 0: echo &"For length {lg}, found for example: ", comb.mapIt(words[it]).join(" ") break checkCombs echo &"For length {lg}, no set found."
#include <iostream> #include <vector> std::ostream& operator<<(std::ostream& out, const std::string& str) { return out << str.c_str(); } std::vector<std::pair<std::string, int>> items{ {"alliance", -624}, {"archbishop", -915}, {"balm", 397}, {"bonnet", 452}, {"brute", 870}, {"centipede", -658}, {"cobol", 362}, {"covariate", 590}, {"departure", 952}, {"deploy", 44}, {"diophantine", 645}, {"efferent", 54}, {"elysee", -326}, {"eradicate", 376}, {"escritoire", 856}, {"exorcism", -983}, {"fiat", 170}, {"filmy", -874}, {"flatworm", 503}, {"gestapo", 915}, {"infra", -847}, {"isis", -982}, {"lindholm", 999}, {"markham", 475}, {"mincemeat", -880}, {"moresby", 756}, {"mycenae", 183}, {"plugging", -266}, {"smokescreen", 423}, {"speakeasy", -745}, {"vein", 813}, }; std::vector<int> indices; int count = 0; const int LIMIT = 5; void subsum(int i, int weight) { if (i != 0 && weight == 0) { for (int j = 0; j < i; ++j) { auto item = items[indices[j]]; std::cout << (j ? " " : "") << item.first; } std::cout << '\n'; if (count < LIMIT) count++; else return; } int k = (i != 0) ? indices[i - 1] + 1 : 0; for (int j = k; j < items.size(); ++j) { indices[i] = j; subsum(i + 1, weight + items[j].second); if (count == LIMIT) return; } } int main() { indices.resize(items.size()); subsum(0, 0); return 0; }
Maintain the same structure and functionality when rewriting this code in Java.
import sequtils, strformat, strutils import itertools const Words = {"alliance": -624, "archbishop": -915, "balm": 397, "bonnet": 452, "brute": 870, "centipede": -658, "cobol": 362, "covariate": 590, "departure": 952, "deploy": 44, "diophantine": 645, "efferent": 54, "elysee": -326, "eradicate": 376, "escritoire": 856, "exorcism": -983, "fiat": 170, "filmy": -874, "flatworm": 503, "gestapo": 915, "infra": -847, "isis": -982, "lindholm": 999, "markham": 475, "mincemeat": -880, "moresby": 756, "mycenae": 183, "plugging": -266, "smokescreen": 423, "speakeasy": -745, "vein": 813} var words: seq[string] var values: seq[int] for (word, value) in Words: words.add word values.add value for lg in 1..words.len: block checkCombs: for comb in combinations(words.len, lg): var sum = 0 for idx in comb: sum += values[idx] if sum == 0: echo &"For length {lg}, found for example: ", comb.mapIt(words[it]).join(" ") break checkCombs echo &"For length {lg}, no set found."
public class SubsetSum { private static class Item { private String word; private int weight; public Item(String word, int weight) { this.word = word; this.weight = weight; } @Override public String toString() { return String.format("(%s, %d)", word, weight); } } private static Item[] items = new Item[]{ new Item("alliance", -624), new Item("archbishop", -915), new Item("balm", 397), new Item("bonnet", 452), new Item("brute", 870), new Item("centipede", -658), new Item("cobol", 362), new Item("covariate", 590), new Item("departure", 952), new Item("deploy", 44), new Item("diophantine", 645), new Item("efferent", 54), new Item("elysee", -326), new Item("eradicate", 376), new Item("escritoire", 856), new Item("exorcism", -983), new Item("fiat", 170), new Item("filmy", -874), new Item("flatworm", 503), new Item("gestapo", 915), new Item("infra", -847), new Item("isis", -982), new Item("lindholm", 999), new Item("markham", 475), new Item("mincemeat", -880), new Item("moresby", 756), new Item("mycenae", 183), new Item("plugging", -266), new Item("smokescreen", 423), new Item("speakeasy", -745), new Item("vein", 813), }; private static final int n = items.length; private static final int[] indices = new int[n]; private static int count = 0; private static final int LIMIT = 5; private static void zeroSum(int i, int w) { if (i != 0 && w == 0) { for (int j = 0; j < i; ++j) { System.out.printf("%s ", items[indices[j]]); } System.out.println("\n"); if (count < LIMIT) count++; else return; } int k = (i != 0) ? indices[i - 1] + 1 : 0; for (int j = k; j < n; ++j) { indices[i] = j; zeroSum(i + 1, w + items[j].weight); if (count == LIMIT) return; } } public static void main(String[] args) { System.out.printf("The weights of the following %d subsets add up to zero:\n\n", LIMIT); zeroSum(0, 0); } }
Change the following Nim code into Java without altering its purpose.
import sequtils, strformat, strutils import itertools const Words = {"alliance": -624, "archbishop": -915, "balm": 397, "bonnet": 452, "brute": 870, "centipede": -658, "cobol": 362, "covariate": 590, "departure": 952, "deploy": 44, "diophantine": 645, "efferent": 54, "elysee": -326, "eradicate": 376, "escritoire": 856, "exorcism": -983, "fiat": 170, "filmy": -874, "flatworm": 503, "gestapo": 915, "infra": -847, "isis": -982, "lindholm": 999, "markham": 475, "mincemeat": -880, "moresby": 756, "mycenae": 183, "plugging": -266, "smokescreen": 423, "speakeasy": -745, "vein": 813} var words: seq[string] var values: seq[int] for (word, value) in Words: words.add word values.add value for lg in 1..words.len: block checkCombs: for comb in combinations(words.len, lg): var sum = 0 for idx in comb: sum += values[idx] if sum == 0: echo &"For length {lg}, found for example: ", comb.mapIt(words[it]).join(" ") break checkCombs echo &"For length {lg}, no set found."
public class SubsetSum { private static class Item { private String word; private int weight; public Item(String word, int weight) { this.word = word; this.weight = weight; } @Override public String toString() { return String.format("(%s, %d)", word, weight); } } private static Item[] items = new Item[]{ new Item("alliance", -624), new Item("archbishop", -915), new Item("balm", 397), new Item("bonnet", 452), new Item("brute", 870), new Item("centipede", -658), new Item("cobol", 362), new Item("covariate", 590), new Item("departure", 952), new Item("deploy", 44), new Item("diophantine", 645), new Item("efferent", 54), new Item("elysee", -326), new Item("eradicate", 376), new Item("escritoire", 856), new Item("exorcism", -983), new Item("fiat", 170), new Item("filmy", -874), new Item("flatworm", 503), new Item("gestapo", 915), new Item("infra", -847), new Item("isis", -982), new Item("lindholm", 999), new Item("markham", 475), new Item("mincemeat", -880), new Item("moresby", 756), new Item("mycenae", 183), new Item("plugging", -266), new Item("smokescreen", 423), new Item("speakeasy", -745), new Item("vein", 813), }; private static final int n = items.length; private static final int[] indices = new int[n]; private static int count = 0; private static final int LIMIT = 5; private static void zeroSum(int i, int w) { if (i != 0 && w == 0) { for (int j = 0; j < i; ++j) { System.out.printf("%s ", items[indices[j]]); } System.out.println("\n"); if (count < LIMIT) count++; else return; } int k = (i != 0) ? indices[i - 1] + 1 : 0; for (int j = k; j < n; ++j) { indices[i] = j; zeroSum(i + 1, w + items[j].weight); if (count == LIMIT) return; } } public static void main(String[] args) { System.out.printf("The weights of the following %d subsets add up to zero:\n\n", LIMIT); zeroSum(0, 0); } }
Convert this Nim snippet to Python and keep its semantics consistent.
import sequtils, strformat, strutils import itertools const Words = {"alliance": -624, "archbishop": -915, "balm": 397, "bonnet": 452, "brute": 870, "centipede": -658, "cobol": 362, "covariate": 590, "departure": 952, "deploy": 44, "diophantine": 645, "efferent": 54, "elysee": -326, "eradicate": 376, "escritoire": 856, "exorcism": -983, "fiat": 170, "filmy": -874, "flatworm": 503, "gestapo": 915, "infra": -847, "isis": -982, "lindholm": 999, "markham": 475, "mincemeat": -880, "moresby": 756, "mycenae": 183, "plugging": -266, "smokescreen": 423, "speakeasy": -745, "vein": 813} var words: seq[string] var values: seq[int] for (word, value) in Words: words.add word values.add value for lg in 1..words.len: block checkCombs: for comb in combinations(words.len, lg): var sum = 0 for idx in comb: sum += values[idx] if sum == 0: echo &"For length {lg}, found for example: ", comb.mapIt(words[it]).join(" ") break checkCombs echo &"For length {lg}, no set found."
words = { "alliance": -624, "archbishop": -925, "balm": 397, "bonnet": 452, "brute": 870, "centipede": -658, "cobol": 362, "covariate": 590, "departure": 952, "deploy": 44, "diophantine": 645, "efferent": 54, "elysee": -326, "eradicate": 376, "escritoire": 856, "exorcism": -983, "fiat": 170, "filmy": -874, "flatworm": 503, "gestapo": 915, "infra": -847, "isis": -982, "lindholm": 999, "markham": 475, "mincemeat": -880, "moresby": 756, "mycenae": 183, "plugging": -266, "smokescreen": 423, "speakeasy": -745, "vein": 813 } neg = 0 pos = 0 for (w,v) in words.iteritems(): if v > 0: pos += v else: neg += v sums = [0] * (pos - neg + 1) for (w,v) in words.iteritems(): s = sums[:] if not s[v - neg]: s[v - neg] = (w,) for (i, w2) in enumerate(sums): if w2 and not s[i + v]: s[i + v] = w2 + (w,) sums = s if s[-neg]: for x in s[-neg]: print(x, words[x]) break
Transform the following Nim implementation into Go, maintaining the same output and logic.
import sequtils, strformat, strutils import itertools const Words = {"alliance": -624, "archbishop": -915, "balm": 397, "bonnet": 452, "brute": 870, "centipede": -658, "cobol": 362, "covariate": 590, "departure": 952, "deploy": 44, "diophantine": 645, "efferent": 54, "elysee": -326, "eradicate": 376, "escritoire": 856, "exorcism": -983, "fiat": 170, "filmy": -874, "flatworm": 503, "gestapo": 915, "infra": -847, "isis": -982, "lindholm": 999, "markham": 475, "mincemeat": -880, "moresby": 756, "mycenae": 183, "plugging": -266, "smokescreen": 423, "speakeasy": -745, "vein": 813} var words: seq[string] var values: seq[int] for (word, value) in Words: words.add word values.add value for lg in 1..words.len: block checkCombs: for comb in combinations(words.len, lg): var sum = 0 for idx in comb: sum += values[idx] if sum == 0: echo &"For length {lg}, found for example: ", comb.mapIt(words[it]).join(" ") break checkCombs echo &"For length {lg}, no set found."
package main import "fmt" type ww struct { word string weight int } var input = []*ww{ {"alliance", -624}, {"archbishop", -915}, {"balm", 397}, {"bonnet", 452}, {"brute", 870}, {"centipede", -658}, {"cobol", 362}, {"covariate", 590}, {"departure", 952}, {"deploy", 44}, {"diophantine", 645}, {"efferent", 54}, {"elysee", -326}, {"eradicate", 376}, {"escritoire", 856}, {"exorcism", -983}, {"fiat", 170}, {"filmy", -874}, {"flatworm", 503}, {"gestapo", 915}, {"infra", -847}, {"isis", -982}, {"lindholm", 999}, {"markham", 475}, {"mincemeat", -880}, {"moresby", 756}, {"mycenae", 183}, {"plugging", -266}, {"smokescreen", 423}, {"speakeasy", -745}, {"vein", 813}, } type sss struct { subset []*ww sum int } func main() { ps := []sss{{nil, 0}} for _, i := range input { pl := len(ps) for j := 0; j < pl; j++ { subset := append([]*ww{i}, ps[j].subset...) sum := i.weight + ps[j].sum if sum == 0 { fmt.Println("this subset sums to 0:") for _, i := range subset { fmt.Println(*i) } return } ps = append(ps, sss{subset, sum}) } } fmt.Println("no subset sums to 0") }
Change the programming language of this snippet from Nim to Go without modifying what it does.
import sequtils, strformat, strutils import itertools const Words = {"alliance": -624, "archbishop": -915, "balm": 397, "bonnet": 452, "brute": 870, "centipede": -658, "cobol": 362, "covariate": 590, "departure": 952, "deploy": 44, "diophantine": 645, "efferent": 54, "elysee": -326, "eradicate": 376, "escritoire": 856, "exorcism": -983, "fiat": 170, "filmy": -874, "flatworm": 503, "gestapo": 915, "infra": -847, "isis": -982, "lindholm": 999, "markham": 475, "mincemeat": -880, "moresby": 756, "mycenae": 183, "plugging": -266, "smokescreen": 423, "speakeasy": -745, "vein": 813} var words: seq[string] var values: seq[int] for (word, value) in Words: words.add word values.add value for lg in 1..words.len: block checkCombs: for comb in combinations(words.len, lg): var sum = 0 for idx in comb: sum += values[idx] if sum == 0: echo &"For length {lg}, found for example: ", comb.mapIt(words[it]).join(" ") break checkCombs echo &"For length {lg}, no set found."
package main import "fmt" type ww struct { word string weight int } var input = []*ww{ {"alliance", -624}, {"archbishop", -915}, {"balm", 397}, {"bonnet", 452}, {"brute", 870}, {"centipede", -658}, {"cobol", 362}, {"covariate", 590}, {"departure", 952}, {"deploy", 44}, {"diophantine", 645}, {"efferent", 54}, {"elysee", -326}, {"eradicate", 376}, {"escritoire", 856}, {"exorcism", -983}, {"fiat", 170}, {"filmy", -874}, {"flatworm", 503}, {"gestapo", 915}, {"infra", -847}, {"isis", -982}, {"lindholm", 999}, {"markham", 475}, {"mincemeat", -880}, {"moresby", 756}, {"mycenae", 183}, {"plugging", -266}, {"smokescreen", 423}, {"speakeasy", -745}, {"vein", 813}, } type sss struct { subset []*ww sum int } func main() { ps := []sss{{nil, 0}} for _, i := range input { pl := len(ps) for j := 0; j < pl; j++ { subset := append([]*ww{i}, ps[j].subset...) sum := i.weight + ps[j].sum if sum == 0 { fmt.Println("this subset sums to 0:") for _, i := range subset { fmt.Println(*i) } return } ps = append(ps, sss{subset, sum}) } } fmt.Println("no subset sums to 0") }
Rewrite this program in C while keeping its functionality equivalent to the OCaml version.
let d = [ "alliance", -624; "archbishop", -915; "balm", 397; "bonnet", 452; "brute", 870; "centipede", -658; "cobol", 362; "covariate", 590; "departure", 952; "deploy", 44; "diophantine", 645; "efferent", 54; "elysee", -326; "eradicate", 376; "escritoire", 856; "exorcism", -983; "fiat", 170; "filmy", -874; "flatworm", 503; "gestapo", 915; "infra", -847; "isis", -982; "lindholm", 999; "markham", 475; "mincemeat", -880; "moresby", 756; "mycenae", 183; "plugging", -266; "smokescreen", 423; "speakeasy", -745; "vein", 813; ] let sum = List.fold_left (fun sum (_,w) -> sum + w) 0 let p = function [] -> false | lst -> (sum lst) = 0 let take lst set = let x = List.nth set (Random.int (List.length set)) in (x::lst, List.filter (fun y -> y <> x) set) let swap (a, b) = (b, a) let pop lst set = swap (take set lst) let () = Random.self_init (); let rec aux lst set = let f = match lst, set with | [], _ -> take | _, [] -> pop | _ -> if Random.bool () then take else pop in let lst, set = f lst set in if p lst then lst else aux lst set in let res = aux [] d in List.iter (fun (n,w) -> Printf.printf " %4d\t%s\n" w n) res
#include <stdio.h> #include <stdlib.h> typedef struct { char *word; int weight; } item_t; item_t items[] = { {"alliance", -624}, {"archbishop", -915}, {"balm", 397}, {"bonnet", 452}, {"brute", 870}, {"centipede", -658}, {"cobol", 362}, {"covariate", 590}, {"departure", 952}, {"deploy", 44}, {"diophantine", 645}, {"efferent", 54}, {"elysee", -326}, {"eradicate", 376}, {"escritoire", 856}, {"exorcism", -983}, {"fiat", 170}, {"filmy", -874}, {"flatworm", 503}, {"gestapo", 915}, {"infra", -847}, {"isis", -982}, {"lindholm", 999}, {"markham", 475}, {"mincemeat", -880}, {"moresby", 756}, {"mycenae", 183}, {"plugging", -266}, {"smokescreen", 423}, {"speakeasy", -745}, {"vein", 813}, }; int n = sizeof (items) / sizeof (item_t); int *set; void subsum (int i, int weight) { int j; if (i && !weight) { for (j = 0; j < i; j++) { item_t item = items[set[j]]; printf("%s%s", j ? " " : "", items[set[j]].word); } printf("\n"); } for (j = i ? set[i - 1] + 1: 0; j < n; j++) { set[i] = j; subsum(i + 1, weight + items[j].weight); } } int main () { set = malloc(n * sizeof (int)); subsum(0, 0); return 0; }
Rewrite this program in C while keeping its functionality equivalent to the OCaml version.
let d = [ "alliance", -624; "archbishop", -915; "balm", 397; "bonnet", 452; "brute", 870; "centipede", -658; "cobol", 362; "covariate", 590; "departure", 952; "deploy", 44; "diophantine", 645; "efferent", 54; "elysee", -326; "eradicate", 376; "escritoire", 856; "exorcism", -983; "fiat", 170; "filmy", -874; "flatworm", 503; "gestapo", 915; "infra", -847; "isis", -982; "lindholm", 999; "markham", 475; "mincemeat", -880; "moresby", 756; "mycenae", 183; "plugging", -266; "smokescreen", 423; "speakeasy", -745; "vein", 813; ] let sum = List.fold_left (fun sum (_,w) -> sum + w) 0 let p = function [] -> false | lst -> (sum lst) = 0 let take lst set = let x = List.nth set (Random.int (List.length set)) in (x::lst, List.filter (fun y -> y <> x) set) let swap (a, b) = (b, a) let pop lst set = swap (take set lst) let () = Random.self_init (); let rec aux lst set = let f = match lst, set with | [], _ -> take | _, [] -> pop | _ -> if Random.bool () then take else pop in let lst, set = f lst set in if p lst then lst else aux lst set in let res = aux [] d in List.iter (fun (n,w) -> Printf.printf " %4d\t%s\n" w n) res
#include <stdio.h> #include <stdlib.h> typedef struct { char *word; int weight; } item_t; item_t items[] = { {"alliance", -624}, {"archbishop", -915}, {"balm", 397}, {"bonnet", 452}, {"brute", 870}, {"centipede", -658}, {"cobol", 362}, {"covariate", 590}, {"departure", 952}, {"deploy", 44}, {"diophantine", 645}, {"efferent", 54}, {"elysee", -326}, {"eradicate", 376}, {"escritoire", 856}, {"exorcism", -983}, {"fiat", 170}, {"filmy", -874}, {"flatworm", 503}, {"gestapo", 915}, {"infra", -847}, {"isis", -982}, {"lindholm", 999}, {"markham", 475}, {"mincemeat", -880}, {"moresby", 756}, {"mycenae", 183}, {"plugging", -266}, {"smokescreen", 423}, {"speakeasy", -745}, {"vein", 813}, }; int n = sizeof (items) / sizeof (item_t); int *set; void subsum (int i, int weight) { int j; if (i && !weight) { for (j = 0; j < i; j++) { item_t item = items[set[j]]; printf("%s%s", j ? " " : "", items[set[j]].word); } printf("\n"); } for (j = i ? set[i - 1] + 1: 0; j < n; j++) { set[i] = j; subsum(i + 1, weight + items[j].weight); } } int main () { set = malloc(n * sizeof (int)); subsum(0, 0); return 0; }
Produce a functionally identical C# code for the snippet given in OCaml.
let d = [ "alliance", -624; "archbishop", -915; "balm", 397; "bonnet", 452; "brute", 870; "centipede", -658; "cobol", 362; "covariate", 590; "departure", 952; "deploy", 44; "diophantine", 645; "efferent", 54; "elysee", -326; "eradicate", 376; "escritoire", 856; "exorcism", -983; "fiat", 170; "filmy", -874; "flatworm", 503; "gestapo", 915; "infra", -847; "isis", -982; "lindholm", 999; "markham", 475; "mincemeat", -880; "moresby", 756; "mycenae", 183; "plugging", -266; "smokescreen", 423; "speakeasy", -745; "vein", 813; ] let sum = List.fold_left (fun sum (_,w) -> sum + w) 0 let p = function [] -> false | lst -> (sum lst) = 0 let take lst set = let x = List.nth set (Random.int (List.length set)) in (x::lst, List.filter (fun y -> y <> x) set) let swap (a, b) = (b, a) let pop lst set = swap (take set lst) let () = Random.self_init (); let rec aux lst set = let f = match lst, set with | [], _ -> take | _, [] -> pop | _ -> if Random.bool () then take else pop in let lst, set = f lst set in if p lst then lst else aux lst set in let res = aux [] d in List.iter (fun (n,w) -> Printf.printf " %4d\t%s\n" w n) res
using System; using System.Collections.Generic; namespace SubsetSum { class Item { public Item(string word, int weight) { Word = word; Weight = weight; } public string Word { get; set; } public int Weight { get; set; } public override string ToString() { return string.Format("({0}, {1})", Word, Weight); } } class Program { private static readonly List<Item> items = new List<Item>() { new Item("alliance", -624), new Item("archbishop", -915), new Item("balm", 397), new Item("bonnet", 452), new Item("brute", 870), new Item("centipede", -658), new Item("cobol", 362), new Item("covariate", 590), new Item("departure", 952), new Item("deploy", 44), new Item("diophantine", 645), new Item("efferent", 54), new Item("elysee", -326), new Item("eradicate", 376), new Item("escritoire", 856), new Item("exorcism", -983), new Item("fiat", 170), new Item("filmy", -874), new Item("flatworm", 503), new Item("gestapo", 915), new Item("infra", -847), new Item("isis", -982), new Item("lindholm", 999), new Item("markham", 475), new Item("mincemeat", -880), new Item("moresby", 756), new Item("mycenae", 183), new Item("plugging", -266), new Item("smokescreen", 423), new Item("speakeasy", -745), new Item("vein", 813), }; private static readonly int n = items.Count; private static readonly int LIMIT = 5; private static int[] indices = new int[n]; private static int count = 0; private static void ZeroSum(int i, int w) { if (i != 0 && w == 0) { for (int j = 0; j < i; j++) { Console.Write("{0} ", items[indices[j]]); } Console.WriteLine("\n"); if (count < LIMIT) count++; else return; } int k = (i != 0) ? indices[i - 1] + 1 : 0; for (int j = k; j < n; j++) { indices[i] = j; ZeroSum(i + 1, w + items[j].Weight); if (count == LIMIT) return; } } static void Main(string[] args) { Console.WriteLine("The weights of the following {0} subsets add up to zero:\n", LIMIT); ZeroSum(0, 0); } } }
Produce a language-to-language conversion: from OCaml to C#, same semantics.
let d = [ "alliance", -624; "archbishop", -915; "balm", 397; "bonnet", 452; "brute", 870; "centipede", -658; "cobol", 362; "covariate", 590; "departure", 952; "deploy", 44; "diophantine", 645; "efferent", 54; "elysee", -326; "eradicate", 376; "escritoire", 856; "exorcism", -983; "fiat", 170; "filmy", -874; "flatworm", 503; "gestapo", 915; "infra", -847; "isis", -982; "lindholm", 999; "markham", 475; "mincemeat", -880; "moresby", 756; "mycenae", 183; "plugging", -266; "smokescreen", 423; "speakeasy", -745; "vein", 813; ] let sum = List.fold_left (fun sum (_,w) -> sum + w) 0 let p = function [] -> false | lst -> (sum lst) = 0 let take lst set = let x = List.nth set (Random.int (List.length set)) in (x::lst, List.filter (fun y -> y <> x) set) let swap (a, b) = (b, a) let pop lst set = swap (take set lst) let () = Random.self_init (); let rec aux lst set = let f = match lst, set with | [], _ -> take | _, [] -> pop | _ -> if Random.bool () then take else pop in let lst, set = f lst set in if p lst then lst else aux lst set in let res = aux [] d in List.iter (fun (n,w) -> Printf.printf " %4d\t%s\n" w n) res
using System; using System.Collections.Generic; namespace SubsetSum { class Item { public Item(string word, int weight) { Word = word; Weight = weight; } public string Word { get; set; } public int Weight { get; set; } public override string ToString() { return string.Format("({0}, {1})", Word, Weight); } } class Program { private static readonly List<Item> items = new List<Item>() { new Item("alliance", -624), new Item("archbishop", -915), new Item("balm", 397), new Item("bonnet", 452), new Item("brute", 870), new Item("centipede", -658), new Item("cobol", 362), new Item("covariate", 590), new Item("departure", 952), new Item("deploy", 44), new Item("diophantine", 645), new Item("efferent", 54), new Item("elysee", -326), new Item("eradicate", 376), new Item("escritoire", 856), new Item("exorcism", -983), new Item("fiat", 170), new Item("filmy", -874), new Item("flatworm", 503), new Item("gestapo", 915), new Item("infra", -847), new Item("isis", -982), new Item("lindholm", 999), new Item("markham", 475), new Item("mincemeat", -880), new Item("moresby", 756), new Item("mycenae", 183), new Item("plugging", -266), new Item("smokescreen", 423), new Item("speakeasy", -745), new Item("vein", 813), }; private static readonly int n = items.Count; private static readonly int LIMIT = 5; private static int[] indices = new int[n]; private static int count = 0; private static void ZeroSum(int i, int w) { if (i != 0 && w == 0) { for (int j = 0; j < i; j++) { Console.Write("{0} ", items[indices[j]]); } Console.WriteLine("\n"); if (count < LIMIT) count++; else return; } int k = (i != 0) ? indices[i - 1] + 1 : 0; for (int j = k; j < n; j++) { indices[i] = j; ZeroSum(i + 1, w + items[j].Weight); if (count == LIMIT) return; } } static void Main(string[] args) { Console.WriteLine("The weights of the following {0} subsets add up to zero:\n", LIMIT); ZeroSum(0, 0); } } }
Generate an equivalent C++ version of this OCaml code.
let d = [ "alliance", -624; "archbishop", -915; "balm", 397; "bonnet", 452; "brute", 870; "centipede", -658; "cobol", 362; "covariate", 590; "departure", 952; "deploy", 44; "diophantine", 645; "efferent", 54; "elysee", -326; "eradicate", 376; "escritoire", 856; "exorcism", -983; "fiat", 170; "filmy", -874; "flatworm", 503; "gestapo", 915; "infra", -847; "isis", -982; "lindholm", 999; "markham", 475; "mincemeat", -880; "moresby", 756; "mycenae", 183; "plugging", -266; "smokescreen", 423; "speakeasy", -745; "vein", 813; ] let sum = List.fold_left (fun sum (_,w) -> sum + w) 0 let p = function [] -> false | lst -> (sum lst) = 0 let take lst set = let x = List.nth set (Random.int (List.length set)) in (x::lst, List.filter (fun y -> y <> x) set) let swap (a, b) = (b, a) let pop lst set = swap (take set lst) let () = Random.self_init (); let rec aux lst set = let f = match lst, set with | [], _ -> take | _, [] -> pop | _ -> if Random.bool () then take else pop in let lst, set = f lst set in if p lst then lst else aux lst set in let res = aux [] d in List.iter (fun (n,w) -> Printf.printf " %4d\t%s\n" w n) res
#include <iostream> #include <vector> std::ostream& operator<<(std::ostream& out, const std::string& str) { return out << str.c_str(); } std::vector<std::pair<std::string, int>> items{ {"alliance", -624}, {"archbishop", -915}, {"balm", 397}, {"bonnet", 452}, {"brute", 870}, {"centipede", -658}, {"cobol", 362}, {"covariate", 590}, {"departure", 952}, {"deploy", 44}, {"diophantine", 645}, {"efferent", 54}, {"elysee", -326}, {"eradicate", 376}, {"escritoire", 856}, {"exorcism", -983}, {"fiat", 170}, {"filmy", -874}, {"flatworm", 503}, {"gestapo", 915}, {"infra", -847}, {"isis", -982}, {"lindholm", 999}, {"markham", 475}, {"mincemeat", -880}, {"moresby", 756}, {"mycenae", 183}, {"plugging", -266}, {"smokescreen", 423}, {"speakeasy", -745}, {"vein", 813}, }; std::vector<int> indices; int count = 0; const int LIMIT = 5; void subsum(int i, int weight) { if (i != 0 && weight == 0) { for (int j = 0; j < i; ++j) { auto item = items[indices[j]]; std::cout << (j ? " " : "") << item.first; } std::cout << '\n'; if (count < LIMIT) count++; else return; } int k = (i != 0) ? indices[i - 1] + 1 : 0; for (int j = k; j < items.size(); ++j) { indices[i] = j; subsum(i + 1, weight + items[j].second); if (count == LIMIT) return; } } int main() { indices.resize(items.size()); subsum(0, 0); return 0; }
Port the provided OCaml code into C++ while preserving the original functionality.
let d = [ "alliance", -624; "archbishop", -915; "balm", 397; "bonnet", 452; "brute", 870; "centipede", -658; "cobol", 362; "covariate", 590; "departure", 952; "deploy", 44; "diophantine", 645; "efferent", 54; "elysee", -326; "eradicate", 376; "escritoire", 856; "exorcism", -983; "fiat", 170; "filmy", -874; "flatworm", 503; "gestapo", 915; "infra", -847; "isis", -982; "lindholm", 999; "markham", 475; "mincemeat", -880; "moresby", 756; "mycenae", 183; "plugging", -266; "smokescreen", 423; "speakeasy", -745; "vein", 813; ] let sum = List.fold_left (fun sum (_,w) -> sum + w) 0 let p = function [] -> false | lst -> (sum lst) = 0 let take lst set = let x = List.nth set (Random.int (List.length set)) in (x::lst, List.filter (fun y -> y <> x) set) let swap (a, b) = (b, a) let pop lst set = swap (take set lst) let () = Random.self_init (); let rec aux lst set = let f = match lst, set with | [], _ -> take | _, [] -> pop | _ -> if Random.bool () then take else pop in let lst, set = f lst set in if p lst then lst else aux lst set in let res = aux [] d in List.iter (fun (n,w) -> Printf.printf " %4d\t%s\n" w n) res
#include <iostream> #include <vector> std::ostream& operator<<(std::ostream& out, const std::string& str) { return out << str.c_str(); } std::vector<std::pair<std::string, int>> items{ {"alliance", -624}, {"archbishop", -915}, {"balm", 397}, {"bonnet", 452}, {"brute", 870}, {"centipede", -658}, {"cobol", 362}, {"covariate", 590}, {"departure", 952}, {"deploy", 44}, {"diophantine", 645}, {"efferent", 54}, {"elysee", -326}, {"eradicate", 376}, {"escritoire", 856}, {"exorcism", -983}, {"fiat", 170}, {"filmy", -874}, {"flatworm", 503}, {"gestapo", 915}, {"infra", -847}, {"isis", -982}, {"lindholm", 999}, {"markham", 475}, {"mincemeat", -880}, {"moresby", 756}, {"mycenae", 183}, {"plugging", -266}, {"smokescreen", 423}, {"speakeasy", -745}, {"vein", 813}, }; std::vector<int> indices; int count = 0; const int LIMIT = 5; void subsum(int i, int weight) { if (i != 0 && weight == 0) { for (int j = 0; j < i; ++j) { auto item = items[indices[j]]; std::cout << (j ? " " : "") << item.first; } std::cout << '\n'; if (count < LIMIT) count++; else return; } int k = (i != 0) ? indices[i - 1] + 1 : 0; for (int j = k; j < items.size(); ++j) { indices[i] = j; subsum(i + 1, weight + items[j].second); if (count == LIMIT) return; } } int main() { indices.resize(items.size()); subsum(0, 0); return 0; }
Translate the given OCaml code snippet into Java without altering its behavior.
let d = [ "alliance", -624; "archbishop", -915; "balm", 397; "bonnet", 452; "brute", 870; "centipede", -658; "cobol", 362; "covariate", 590; "departure", 952; "deploy", 44; "diophantine", 645; "efferent", 54; "elysee", -326; "eradicate", 376; "escritoire", 856; "exorcism", -983; "fiat", 170; "filmy", -874; "flatworm", 503; "gestapo", 915; "infra", -847; "isis", -982; "lindholm", 999; "markham", 475; "mincemeat", -880; "moresby", 756; "mycenae", 183; "plugging", -266; "smokescreen", 423; "speakeasy", -745; "vein", 813; ] let sum = List.fold_left (fun sum (_,w) -> sum + w) 0 let p = function [] -> false | lst -> (sum lst) = 0 let take lst set = let x = List.nth set (Random.int (List.length set)) in (x::lst, List.filter (fun y -> y <> x) set) let swap (a, b) = (b, a) let pop lst set = swap (take set lst) let () = Random.self_init (); let rec aux lst set = let f = match lst, set with | [], _ -> take | _, [] -> pop | _ -> if Random.bool () then take else pop in let lst, set = f lst set in if p lst then lst else aux lst set in let res = aux [] d in List.iter (fun (n,w) -> Printf.printf " %4d\t%s\n" w n) res
public class SubsetSum { private static class Item { private String word; private int weight; public Item(String word, int weight) { this.word = word; this.weight = weight; } @Override public String toString() { return String.format("(%s, %d)", word, weight); } } private static Item[] items = new Item[]{ new Item("alliance", -624), new Item("archbishop", -915), new Item("balm", 397), new Item("bonnet", 452), new Item("brute", 870), new Item("centipede", -658), new Item("cobol", 362), new Item("covariate", 590), new Item("departure", 952), new Item("deploy", 44), new Item("diophantine", 645), new Item("efferent", 54), new Item("elysee", -326), new Item("eradicate", 376), new Item("escritoire", 856), new Item("exorcism", -983), new Item("fiat", 170), new Item("filmy", -874), new Item("flatworm", 503), new Item("gestapo", 915), new Item("infra", -847), new Item("isis", -982), new Item("lindholm", 999), new Item("markham", 475), new Item("mincemeat", -880), new Item("moresby", 756), new Item("mycenae", 183), new Item("plugging", -266), new Item("smokescreen", 423), new Item("speakeasy", -745), new Item("vein", 813), }; private static final int n = items.length; private static final int[] indices = new int[n]; private static int count = 0; private static final int LIMIT = 5; private static void zeroSum(int i, int w) { if (i != 0 && w == 0) { for (int j = 0; j < i; ++j) { System.out.printf("%s ", items[indices[j]]); } System.out.println("\n"); if (count < LIMIT) count++; else return; } int k = (i != 0) ? indices[i - 1] + 1 : 0; for (int j = k; j < n; ++j) { indices[i] = j; zeroSum(i + 1, w + items[j].weight); if (count == LIMIT) return; } } public static void main(String[] args) { System.out.printf("The weights of the following %d subsets add up to zero:\n\n", LIMIT); zeroSum(0, 0); } }
Write the same algorithm in Java as shown in this OCaml implementation.
let d = [ "alliance", -624; "archbishop", -915; "balm", 397; "bonnet", 452; "brute", 870; "centipede", -658; "cobol", 362; "covariate", 590; "departure", 952; "deploy", 44; "diophantine", 645; "efferent", 54; "elysee", -326; "eradicate", 376; "escritoire", 856; "exorcism", -983; "fiat", 170; "filmy", -874; "flatworm", 503; "gestapo", 915; "infra", -847; "isis", -982; "lindholm", 999; "markham", 475; "mincemeat", -880; "moresby", 756; "mycenae", 183; "plugging", -266; "smokescreen", 423; "speakeasy", -745; "vein", 813; ] let sum = List.fold_left (fun sum (_,w) -> sum + w) 0 let p = function [] -> false | lst -> (sum lst) = 0 let take lst set = let x = List.nth set (Random.int (List.length set)) in (x::lst, List.filter (fun y -> y <> x) set) let swap (a, b) = (b, a) let pop lst set = swap (take set lst) let () = Random.self_init (); let rec aux lst set = let f = match lst, set with | [], _ -> take | _, [] -> pop | _ -> if Random.bool () then take else pop in let lst, set = f lst set in if p lst then lst else aux lst set in let res = aux [] d in List.iter (fun (n,w) -> Printf.printf " %4d\t%s\n" w n) res
public class SubsetSum { private static class Item { private String word; private int weight; public Item(String word, int weight) { this.word = word; this.weight = weight; } @Override public String toString() { return String.format("(%s, %d)", word, weight); } } private static Item[] items = new Item[]{ new Item("alliance", -624), new Item("archbishop", -915), new Item("balm", 397), new Item("bonnet", 452), new Item("brute", 870), new Item("centipede", -658), new Item("cobol", 362), new Item("covariate", 590), new Item("departure", 952), new Item("deploy", 44), new Item("diophantine", 645), new Item("efferent", 54), new Item("elysee", -326), new Item("eradicate", 376), new Item("escritoire", 856), new Item("exorcism", -983), new Item("fiat", 170), new Item("filmy", -874), new Item("flatworm", 503), new Item("gestapo", 915), new Item("infra", -847), new Item("isis", -982), new Item("lindholm", 999), new Item("markham", 475), new Item("mincemeat", -880), new Item("moresby", 756), new Item("mycenae", 183), new Item("plugging", -266), new Item("smokescreen", 423), new Item("speakeasy", -745), new Item("vein", 813), }; private static final int n = items.length; private static final int[] indices = new int[n]; private static int count = 0; private static final int LIMIT = 5; private static void zeroSum(int i, int w) { if (i != 0 && w == 0) { for (int j = 0; j < i; ++j) { System.out.printf("%s ", items[indices[j]]); } System.out.println("\n"); if (count < LIMIT) count++; else return; } int k = (i != 0) ? indices[i - 1] + 1 : 0; for (int j = k; j < n; ++j) { indices[i] = j; zeroSum(i + 1, w + items[j].weight); if (count == LIMIT) return; } } public static void main(String[] args) { System.out.printf("The weights of the following %d subsets add up to zero:\n\n", LIMIT); zeroSum(0, 0); } }
Keep all operations the same but rewrite the snippet in Python.
let d = [ "alliance", -624; "archbishop", -915; "balm", 397; "bonnet", 452; "brute", 870; "centipede", -658; "cobol", 362; "covariate", 590; "departure", 952; "deploy", 44; "diophantine", 645; "efferent", 54; "elysee", -326; "eradicate", 376; "escritoire", 856; "exorcism", -983; "fiat", 170; "filmy", -874; "flatworm", 503; "gestapo", 915; "infra", -847; "isis", -982; "lindholm", 999; "markham", 475; "mincemeat", -880; "moresby", 756; "mycenae", 183; "plugging", -266; "smokescreen", 423; "speakeasy", -745; "vein", 813; ] let sum = List.fold_left (fun sum (_,w) -> sum + w) 0 let p = function [] -> false | lst -> (sum lst) = 0 let take lst set = let x = List.nth set (Random.int (List.length set)) in (x::lst, List.filter (fun y -> y <> x) set) let swap (a, b) = (b, a) let pop lst set = swap (take set lst) let () = Random.self_init (); let rec aux lst set = let f = match lst, set with | [], _ -> take | _, [] -> pop | _ -> if Random.bool () then take else pop in let lst, set = f lst set in if p lst then lst else aux lst set in let res = aux [] d in List.iter (fun (n,w) -> Printf.printf " %4d\t%s\n" w n) res
words = { "alliance": -624, "archbishop": -925, "balm": 397, "bonnet": 452, "brute": 870, "centipede": -658, "cobol": 362, "covariate": 590, "departure": 952, "deploy": 44, "diophantine": 645, "efferent": 54, "elysee": -326, "eradicate": 376, "escritoire": 856, "exorcism": -983, "fiat": 170, "filmy": -874, "flatworm": 503, "gestapo": 915, "infra": -847, "isis": -982, "lindholm": 999, "markham": 475, "mincemeat": -880, "moresby": 756, "mycenae": 183, "plugging": -266, "smokescreen": 423, "speakeasy": -745, "vein": 813 } neg = 0 pos = 0 for (w,v) in words.iteritems(): if v > 0: pos += v else: neg += v sums = [0] * (pos - neg + 1) for (w,v) in words.iteritems(): s = sums[:] if not s[v - neg]: s[v - neg] = (w,) for (i, w2) in enumerate(sums): if w2 and not s[i + v]: s[i + v] = w2 + (w,) sums = s if s[-neg]: for x in s[-neg]: print(x, words[x]) break
Write the same code in Python as shown below in OCaml.
let d = [ "alliance", -624; "archbishop", -915; "balm", 397; "bonnet", 452; "brute", 870; "centipede", -658; "cobol", 362; "covariate", 590; "departure", 952; "deploy", 44; "diophantine", 645; "efferent", 54; "elysee", -326; "eradicate", 376; "escritoire", 856; "exorcism", -983; "fiat", 170; "filmy", -874; "flatworm", 503; "gestapo", 915; "infra", -847; "isis", -982; "lindholm", 999; "markham", 475; "mincemeat", -880; "moresby", 756; "mycenae", 183; "plugging", -266; "smokescreen", 423; "speakeasy", -745; "vein", 813; ] let sum = List.fold_left (fun sum (_,w) -> sum + w) 0 let p = function [] -> false | lst -> (sum lst) = 0 let take lst set = let x = List.nth set (Random.int (List.length set)) in (x::lst, List.filter (fun y -> y <> x) set) let swap (a, b) = (b, a) let pop lst set = swap (take set lst) let () = Random.self_init (); let rec aux lst set = let f = match lst, set with | [], _ -> take | _, [] -> pop | _ -> if Random.bool () then take else pop in let lst, set = f lst set in if p lst then lst else aux lst set in let res = aux [] d in List.iter (fun (n,w) -> Printf.printf " %4d\t%s\n" w n) res
words = { "alliance": -624, "archbishop": -925, "balm": 397, "bonnet": 452, "brute": 870, "centipede": -658, "cobol": 362, "covariate": 590, "departure": 952, "deploy": 44, "diophantine": 645, "efferent": 54, "elysee": -326, "eradicate": 376, "escritoire": 856, "exorcism": -983, "fiat": 170, "filmy": -874, "flatworm": 503, "gestapo": 915, "infra": -847, "isis": -982, "lindholm": 999, "markham": 475, "mincemeat": -880, "moresby": 756, "mycenae": 183, "plugging": -266, "smokescreen": 423, "speakeasy": -745, "vein": 813 } neg = 0 pos = 0 for (w,v) in words.iteritems(): if v > 0: pos += v else: neg += v sums = [0] * (pos - neg + 1) for (w,v) in words.iteritems(): s = sums[:] if not s[v - neg]: s[v - neg] = (w,) for (i, w2) in enumerate(sums): if w2 and not s[i + v]: s[i + v] = w2 + (w,) sums = s if s[-neg]: for x in s[-neg]: print(x, words[x]) break
Port the provided OCaml code into Go while preserving the original functionality.
let d = [ "alliance", -624; "archbishop", -915; "balm", 397; "bonnet", 452; "brute", 870; "centipede", -658; "cobol", 362; "covariate", 590; "departure", 952; "deploy", 44; "diophantine", 645; "efferent", 54; "elysee", -326; "eradicate", 376; "escritoire", 856; "exorcism", -983; "fiat", 170; "filmy", -874; "flatworm", 503; "gestapo", 915; "infra", -847; "isis", -982; "lindholm", 999; "markham", 475; "mincemeat", -880; "moresby", 756; "mycenae", 183; "plugging", -266; "smokescreen", 423; "speakeasy", -745; "vein", 813; ] let sum = List.fold_left (fun sum (_,w) -> sum + w) 0 let p = function [] -> false | lst -> (sum lst) = 0 let take lst set = let x = List.nth set (Random.int (List.length set)) in (x::lst, List.filter (fun y -> y <> x) set) let swap (a, b) = (b, a) let pop lst set = swap (take set lst) let () = Random.self_init (); let rec aux lst set = let f = match lst, set with | [], _ -> take | _, [] -> pop | _ -> if Random.bool () then take else pop in let lst, set = f lst set in if p lst then lst else aux lst set in let res = aux [] d in List.iter (fun (n,w) -> Printf.printf " %4d\t%s\n" w n) res
package main import "fmt" type ww struct { word string weight int } var input = []*ww{ {"alliance", -624}, {"archbishop", -915}, {"balm", 397}, {"bonnet", 452}, {"brute", 870}, {"centipede", -658}, {"cobol", 362}, {"covariate", 590}, {"departure", 952}, {"deploy", 44}, {"diophantine", 645}, {"efferent", 54}, {"elysee", -326}, {"eradicate", 376}, {"escritoire", 856}, {"exorcism", -983}, {"fiat", 170}, {"filmy", -874}, {"flatworm", 503}, {"gestapo", 915}, {"infra", -847}, {"isis", -982}, {"lindholm", 999}, {"markham", 475}, {"mincemeat", -880}, {"moresby", 756}, {"mycenae", 183}, {"plugging", -266}, {"smokescreen", 423}, {"speakeasy", -745}, {"vein", 813}, } type sss struct { subset []*ww sum int } func main() { ps := []sss{{nil, 0}} for _, i := range input { pl := len(ps) for j := 0; j < pl; j++ { subset := append([]*ww{i}, ps[j].subset...) sum := i.weight + ps[j].sum if sum == 0 { fmt.Println("this subset sums to 0:") for _, i := range subset { fmt.Println(*i) } return } ps = append(ps, sss{subset, sum}) } } fmt.Println("no subset sums to 0") }
Maintain the same structure and functionality when rewriting this code in Go.
let d = [ "alliance", -624; "archbishop", -915; "balm", 397; "bonnet", 452; "brute", 870; "centipede", -658; "cobol", 362; "covariate", 590; "departure", 952; "deploy", 44; "diophantine", 645; "efferent", 54; "elysee", -326; "eradicate", 376; "escritoire", 856; "exorcism", -983; "fiat", 170; "filmy", -874; "flatworm", 503; "gestapo", 915; "infra", -847; "isis", -982; "lindholm", 999; "markham", 475; "mincemeat", -880; "moresby", 756; "mycenae", 183; "plugging", -266; "smokescreen", 423; "speakeasy", -745; "vein", 813; ] let sum = List.fold_left (fun sum (_,w) -> sum + w) 0 let p = function [] -> false | lst -> (sum lst) = 0 let take lst set = let x = List.nth set (Random.int (List.length set)) in (x::lst, List.filter (fun y -> y <> x) set) let swap (a, b) = (b, a) let pop lst set = swap (take set lst) let () = Random.self_init (); let rec aux lst set = let f = match lst, set with | [], _ -> take | _, [] -> pop | _ -> if Random.bool () then take else pop in let lst, set = f lst set in if p lst then lst else aux lst set in let res = aux [] d in List.iter (fun (n,w) -> Printf.printf " %4d\t%s\n" w n) res
package main import "fmt" type ww struct { word string weight int } var input = []*ww{ {"alliance", -624}, {"archbishop", -915}, {"balm", 397}, {"bonnet", 452}, {"brute", 870}, {"centipede", -658}, {"cobol", 362}, {"covariate", 590}, {"departure", 952}, {"deploy", 44}, {"diophantine", 645}, {"efferent", 54}, {"elysee", -326}, {"eradicate", 376}, {"escritoire", 856}, {"exorcism", -983}, {"fiat", 170}, {"filmy", -874}, {"flatworm", 503}, {"gestapo", 915}, {"infra", -847}, {"isis", -982}, {"lindholm", 999}, {"markham", 475}, {"mincemeat", -880}, {"moresby", 756}, {"mycenae", 183}, {"plugging", -266}, {"smokescreen", 423}, {"speakeasy", -745}, {"vein", 813}, } type sss struct { subset []*ww sum int } func main() { ps := []sss{{nil, 0}} for _, i := range input { pl := len(ps) for j := 0; j < pl; j++ { subset := append([]*ww{i}, ps[j].subset...) sum := i.weight + ps[j].sum if sum == 0 { fmt.Println("this subset sums to 0:") for _, i := range subset { fmt.Println(*i) } return } ps = append(ps, sss{subset, sum}) } } fmt.Println("no subset sums to 0") }
Port the following code from Perl to C with equivalent syntax and logic.
use ntheory qw/:all/; my %pairs = ( alliance => -624, archbishop => -915, balm => 397, bonnet => 452, brute => 870, centipede => -658, cobol => 362, covariate => 590, departure => 952, deploy => 44, diophantine => 645, efferent => 54, elysee => -326, eradicate => 376, escritoire => 856, exorcism => -983, fiat => 170, filmy => -874, flatworm => 503, gestapo => 915, infra => -847, isis => -982, lindholm => 999, markham => 475, mincemeat => -880, moresby => 756, mycenae => 183, plugging => -266, smokescreen => 423, speakeasy => -745, vein => 813 ); my @names = sort keys(%pairs); my @weights = @pairs{@names}; foreach my $n (1 .. @names) { forcomb { lastfor, print "Length $n: @names[@_]\n" if vecsum(@weights[@_]) == 0; } @names, $n; }
#include <stdio.h> #include <stdlib.h> typedef struct { char *word; int weight; } item_t; item_t items[] = { {"alliance", -624}, {"archbishop", -915}, {"balm", 397}, {"bonnet", 452}, {"brute", 870}, {"centipede", -658}, {"cobol", 362}, {"covariate", 590}, {"departure", 952}, {"deploy", 44}, {"diophantine", 645}, {"efferent", 54}, {"elysee", -326}, {"eradicate", 376}, {"escritoire", 856}, {"exorcism", -983}, {"fiat", 170}, {"filmy", -874}, {"flatworm", 503}, {"gestapo", 915}, {"infra", -847}, {"isis", -982}, {"lindholm", 999}, {"markham", 475}, {"mincemeat", -880}, {"moresby", 756}, {"mycenae", 183}, {"plugging", -266}, {"smokescreen", 423}, {"speakeasy", -745}, {"vein", 813}, }; int n = sizeof (items) / sizeof (item_t); int *set; void subsum (int i, int weight) { int j; if (i && !weight) { for (j = 0; j < i; j++) { item_t item = items[set[j]]; printf("%s%s", j ? " " : "", items[set[j]].word); } printf("\n"); } for (j = i ? set[i - 1] + 1: 0; j < n; j++) { set[i] = j; subsum(i + 1, weight + items[j].weight); } } int main () { set = malloc(n * sizeof (int)); subsum(0, 0); return 0; }
Convert the following code from Perl to C, ensuring the logic remains intact.
use ntheory qw/:all/; my %pairs = ( alliance => -624, archbishop => -915, balm => 397, bonnet => 452, brute => 870, centipede => -658, cobol => 362, covariate => 590, departure => 952, deploy => 44, diophantine => 645, efferent => 54, elysee => -326, eradicate => 376, escritoire => 856, exorcism => -983, fiat => 170, filmy => -874, flatworm => 503, gestapo => 915, infra => -847, isis => -982, lindholm => 999, markham => 475, mincemeat => -880, moresby => 756, mycenae => 183, plugging => -266, smokescreen => 423, speakeasy => -745, vein => 813 ); my @names = sort keys(%pairs); my @weights = @pairs{@names}; foreach my $n (1 .. @names) { forcomb { lastfor, print "Length $n: @names[@_]\n" if vecsum(@weights[@_]) == 0; } @names, $n; }
#include <stdio.h> #include <stdlib.h> typedef struct { char *word; int weight; } item_t; item_t items[] = { {"alliance", -624}, {"archbishop", -915}, {"balm", 397}, {"bonnet", 452}, {"brute", 870}, {"centipede", -658}, {"cobol", 362}, {"covariate", 590}, {"departure", 952}, {"deploy", 44}, {"diophantine", 645}, {"efferent", 54}, {"elysee", -326}, {"eradicate", 376}, {"escritoire", 856}, {"exorcism", -983}, {"fiat", 170}, {"filmy", -874}, {"flatworm", 503}, {"gestapo", 915}, {"infra", -847}, {"isis", -982}, {"lindholm", 999}, {"markham", 475}, {"mincemeat", -880}, {"moresby", 756}, {"mycenae", 183}, {"plugging", -266}, {"smokescreen", 423}, {"speakeasy", -745}, {"vein", 813}, }; int n = sizeof (items) / sizeof (item_t); int *set; void subsum (int i, int weight) { int j; if (i && !weight) { for (j = 0; j < i; j++) { item_t item = items[set[j]]; printf("%s%s", j ? " " : "", items[set[j]].word); } printf("\n"); } for (j = i ? set[i - 1] + 1: 0; j < n; j++) { set[i] = j; subsum(i + 1, weight + items[j].weight); } } int main () { set = malloc(n * sizeof (int)); subsum(0, 0); return 0; }
Generate an equivalent C# version of this Perl code.
use ntheory qw/:all/; my %pairs = ( alliance => -624, archbishop => -915, balm => 397, bonnet => 452, brute => 870, centipede => -658, cobol => 362, covariate => 590, departure => 952, deploy => 44, diophantine => 645, efferent => 54, elysee => -326, eradicate => 376, escritoire => 856, exorcism => -983, fiat => 170, filmy => -874, flatworm => 503, gestapo => 915, infra => -847, isis => -982, lindholm => 999, markham => 475, mincemeat => -880, moresby => 756, mycenae => 183, plugging => -266, smokescreen => 423, speakeasy => -745, vein => 813 ); my @names = sort keys(%pairs); my @weights = @pairs{@names}; foreach my $n (1 .. @names) { forcomb { lastfor, print "Length $n: @names[@_]\n" if vecsum(@weights[@_]) == 0; } @names, $n; }
using System; using System.Collections.Generic; namespace SubsetSum { class Item { public Item(string word, int weight) { Word = word; Weight = weight; } public string Word { get; set; } public int Weight { get; set; } public override string ToString() { return string.Format("({0}, {1})", Word, Weight); } } class Program { private static readonly List<Item> items = new List<Item>() { new Item("alliance", -624), new Item("archbishop", -915), new Item("balm", 397), new Item("bonnet", 452), new Item("brute", 870), new Item("centipede", -658), new Item("cobol", 362), new Item("covariate", 590), new Item("departure", 952), new Item("deploy", 44), new Item("diophantine", 645), new Item("efferent", 54), new Item("elysee", -326), new Item("eradicate", 376), new Item("escritoire", 856), new Item("exorcism", -983), new Item("fiat", 170), new Item("filmy", -874), new Item("flatworm", 503), new Item("gestapo", 915), new Item("infra", -847), new Item("isis", -982), new Item("lindholm", 999), new Item("markham", 475), new Item("mincemeat", -880), new Item("moresby", 756), new Item("mycenae", 183), new Item("plugging", -266), new Item("smokescreen", 423), new Item("speakeasy", -745), new Item("vein", 813), }; private static readonly int n = items.Count; private static readonly int LIMIT = 5; private static int[] indices = new int[n]; private static int count = 0; private static void ZeroSum(int i, int w) { if (i != 0 && w == 0) { for (int j = 0; j < i; j++) { Console.Write("{0} ", items[indices[j]]); } Console.WriteLine("\n"); if (count < LIMIT) count++; else return; } int k = (i != 0) ? indices[i - 1] + 1 : 0; for (int j = k; j < n; j++) { indices[i] = j; ZeroSum(i + 1, w + items[j].Weight); if (count == LIMIT) return; } } static void Main(string[] args) { Console.WriteLine("The weights of the following {0} subsets add up to zero:\n", LIMIT); ZeroSum(0, 0); } } }
Produce a language-to-language conversion: from Perl to C++, same semantics.
use ntheory qw/:all/; my %pairs = ( alliance => -624, archbishop => -915, balm => 397, bonnet => 452, brute => 870, centipede => -658, cobol => 362, covariate => 590, departure => 952, deploy => 44, diophantine => 645, efferent => 54, elysee => -326, eradicate => 376, escritoire => 856, exorcism => -983, fiat => 170, filmy => -874, flatworm => 503, gestapo => 915, infra => -847, isis => -982, lindholm => 999, markham => 475, mincemeat => -880, moresby => 756, mycenae => 183, plugging => -266, smokescreen => 423, speakeasy => -745, vein => 813 ); my @names = sort keys(%pairs); my @weights = @pairs{@names}; foreach my $n (1 .. @names) { forcomb { lastfor, print "Length $n: @names[@_]\n" if vecsum(@weights[@_]) == 0; } @names, $n; }
#include <iostream> #include <vector> std::ostream& operator<<(std::ostream& out, const std::string& str) { return out << str.c_str(); } std::vector<std::pair<std::string, int>> items{ {"alliance", -624}, {"archbishop", -915}, {"balm", 397}, {"bonnet", 452}, {"brute", 870}, {"centipede", -658}, {"cobol", 362}, {"covariate", 590}, {"departure", 952}, {"deploy", 44}, {"diophantine", 645}, {"efferent", 54}, {"elysee", -326}, {"eradicate", 376}, {"escritoire", 856}, {"exorcism", -983}, {"fiat", 170}, {"filmy", -874}, {"flatworm", 503}, {"gestapo", 915}, {"infra", -847}, {"isis", -982}, {"lindholm", 999}, {"markham", 475}, {"mincemeat", -880}, {"moresby", 756}, {"mycenae", 183}, {"plugging", -266}, {"smokescreen", 423}, {"speakeasy", -745}, {"vein", 813}, }; std::vector<int> indices; int count = 0; const int LIMIT = 5; void subsum(int i, int weight) { if (i != 0 && weight == 0) { for (int j = 0; j < i; ++j) { auto item = items[indices[j]]; std::cout << (j ? " " : "") << item.first; } std::cout << '\n'; if (count < LIMIT) count++; else return; } int k = (i != 0) ? indices[i - 1] + 1 : 0; for (int j = k; j < items.size(); ++j) { indices[i] = j; subsum(i + 1, weight + items[j].second); if (count == LIMIT) return; } } int main() { indices.resize(items.size()); subsum(0, 0); return 0; }
Port the provided Perl code into C++ while preserving the original functionality.
use ntheory qw/:all/; my %pairs = ( alliance => -624, archbishop => -915, balm => 397, bonnet => 452, brute => 870, centipede => -658, cobol => 362, covariate => 590, departure => 952, deploy => 44, diophantine => 645, efferent => 54, elysee => -326, eradicate => 376, escritoire => 856, exorcism => -983, fiat => 170, filmy => -874, flatworm => 503, gestapo => 915, infra => -847, isis => -982, lindholm => 999, markham => 475, mincemeat => -880, moresby => 756, mycenae => 183, plugging => -266, smokescreen => 423, speakeasy => -745, vein => 813 ); my @names = sort keys(%pairs); my @weights = @pairs{@names}; foreach my $n (1 .. @names) { forcomb { lastfor, print "Length $n: @names[@_]\n" if vecsum(@weights[@_]) == 0; } @names, $n; }
#include <iostream> #include <vector> std::ostream& operator<<(std::ostream& out, const std::string& str) { return out << str.c_str(); } std::vector<std::pair<std::string, int>> items{ {"alliance", -624}, {"archbishop", -915}, {"balm", 397}, {"bonnet", 452}, {"brute", 870}, {"centipede", -658}, {"cobol", 362}, {"covariate", 590}, {"departure", 952}, {"deploy", 44}, {"diophantine", 645}, {"efferent", 54}, {"elysee", -326}, {"eradicate", 376}, {"escritoire", 856}, {"exorcism", -983}, {"fiat", 170}, {"filmy", -874}, {"flatworm", 503}, {"gestapo", 915}, {"infra", -847}, {"isis", -982}, {"lindholm", 999}, {"markham", 475}, {"mincemeat", -880}, {"moresby", 756}, {"mycenae", 183}, {"plugging", -266}, {"smokescreen", 423}, {"speakeasy", -745}, {"vein", 813}, }; std::vector<int> indices; int count = 0; const int LIMIT = 5; void subsum(int i, int weight) { if (i != 0 && weight == 0) { for (int j = 0; j < i; ++j) { auto item = items[indices[j]]; std::cout << (j ? " " : "") << item.first; } std::cout << '\n'; if (count < LIMIT) count++; else return; } int k = (i != 0) ? indices[i - 1] + 1 : 0; for (int j = k; j < items.size(); ++j) { indices[i] = j; subsum(i + 1, weight + items[j].second); if (count == LIMIT) return; } } int main() { indices.resize(items.size()); subsum(0, 0); return 0; }
Convert this Perl snippet to Java and keep its semantics consistent.
use ntheory qw/:all/; my %pairs = ( alliance => -624, archbishop => -915, balm => 397, bonnet => 452, brute => 870, centipede => -658, cobol => 362, covariate => 590, departure => 952, deploy => 44, diophantine => 645, efferent => 54, elysee => -326, eradicate => 376, escritoire => 856, exorcism => -983, fiat => 170, filmy => -874, flatworm => 503, gestapo => 915, infra => -847, isis => -982, lindholm => 999, markham => 475, mincemeat => -880, moresby => 756, mycenae => 183, plugging => -266, smokescreen => 423, speakeasy => -745, vein => 813 ); my @names = sort keys(%pairs); my @weights = @pairs{@names}; foreach my $n (1 .. @names) { forcomb { lastfor, print "Length $n: @names[@_]\n" if vecsum(@weights[@_]) == 0; } @names, $n; }
public class SubsetSum { private static class Item { private String word; private int weight; public Item(String word, int weight) { this.word = word; this.weight = weight; } @Override public String toString() { return String.format("(%s, %d)", word, weight); } } private static Item[] items = new Item[]{ new Item("alliance", -624), new Item("archbishop", -915), new Item("balm", 397), new Item("bonnet", 452), new Item("brute", 870), new Item("centipede", -658), new Item("cobol", 362), new Item("covariate", 590), new Item("departure", 952), new Item("deploy", 44), new Item("diophantine", 645), new Item("efferent", 54), new Item("elysee", -326), new Item("eradicate", 376), new Item("escritoire", 856), new Item("exorcism", -983), new Item("fiat", 170), new Item("filmy", -874), new Item("flatworm", 503), new Item("gestapo", 915), new Item("infra", -847), new Item("isis", -982), new Item("lindholm", 999), new Item("markham", 475), new Item("mincemeat", -880), new Item("moresby", 756), new Item("mycenae", 183), new Item("plugging", -266), new Item("smokescreen", 423), new Item("speakeasy", -745), new Item("vein", 813), }; private static final int n = items.length; private static final int[] indices = new int[n]; private static int count = 0; private static final int LIMIT = 5; private static void zeroSum(int i, int w) { if (i != 0 && w == 0) { for (int j = 0; j < i; ++j) { System.out.printf("%s ", items[indices[j]]); } System.out.println("\n"); if (count < LIMIT) count++; else return; } int k = (i != 0) ? indices[i - 1] + 1 : 0; for (int j = k; j < n; ++j) { indices[i] = j; zeroSum(i + 1, w + items[j].weight); if (count == LIMIT) return; } } public static void main(String[] args) { System.out.printf("The weights of the following %d subsets add up to zero:\n\n", LIMIT); zeroSum(0, 0); } }
Please provide an equivalent version of this Perl code in Java.
use ntheory qw/:all/; my %pairs = ( alliance => -624, archbishop => -915, balm => 397, bonnet => 452, brute => 870, centipede => -658, cobol => 362, covariate => 590, departure => 952, deploy => 44, diophantine => 645, efferent => 54, elysee => -326, eradicate => 376, escritoire => 856, exorcism => -983, fiat => 170, filmy => -874, flatworm => 503, gestapo => 915, infra => -847, isis => -982, lindholm => 999, markham => 475, mincemeat => -880, moresby => 756, mycenae => 183, plugging => -266, smokescreen => 423, speakeasy => -745, vein => 813 ); my @names = sort keys(%pairs); my @weights = @pairs{@names}; foreach my $n (1 .. @names) { forcomb { lastfor, print "Length $n: @names[@_]\n" if vecsum(@weights[@_]) == 0; } @names, $n; }
public class SubsetSum { private static class Item { private String word; private int weight; public Item(String word, int weight) { this.word = word; this.weight = weight; } @Override public String toString() { return String.format("(%s, %d)", word, weight); } } private static Item[] items = new Item[]{ new Item("alliance", -624), new Item("archbishop", -915), new Item("balm", 397), new Item("bonnet", 452), new Item("brute", 870), new Item("centipede", -658), new Item("cobol", 362), new Item("covariate", 590), new Item("departure", 952), new Item("deploy", 44), new Item("diophantine", 645), new Item("efferent", 54), new Item("elysee", -326), new Item("eradicate", 376), new Item("escritoire", 856), new Item("exorcism", -983), new Item("fiat", 170), new Item("filmy", -874), new Item("flatworm", 503), new Item("gestapo", 915), new Item("infra", -847), new Item("isis", -982), new Item("lindholm", 999), new Item("markham", 475), new Item("mincemeat", -880), new Item("moresby", 756), new Item("mycenae", 183), new Item("plugging", -266), new Item("smokescreen", 423), new Item("speakeasy", -745), new Item("vein", 813), }; private static final int n = items.length; private static final int[] indices = new int[n]; private static int count = 0; private static final int LIMIT = 5; private static void zeroSum(int i, int w) { if (i != 0 && w == 0) { for (int j = 0; j < i; ++j) { System.out.printf("%s ", items[indices[j]]); } System.out.println("\n"); if (count < LIMIT) count++; else return; } int k = (i != 0) ? indices[i - 1] + 1 : 0; for (int j = k; j < n; ++j) { indices[i] = j; zeroSum(i + 1, w + items[j].weight); if (count == LIMIT) return; } } public static void main(String[] args) { System.out.printf("The weights of the following %d subsets add up to zero:\n\n", LIMIT); zeroSum(0, 0); } }
Write the same algorithm in Python as shown in this Perl implementation.
use ntheory qw/:all/; my %pairs = ( alliance => -624, archbishop => -915, balm => 397, bonnet => 452, brute => 870, centipede => -658, cobol => 362, covariate => 590, departure => 952, deploy => 44, diophantine => 645, efferent => 54, elysee => -326, eradicate => 376, escritoire => 856, exorcism => -983, fiat => 170, filmy => -874, flatworm => 503, gestapo => 915, infra => -847, isis => -982, lindholm => 999, markham => 475, mincemeat => -880, moresby => 756, mycenae => 183, plugging => -266, smokescreen => 423, speakeasy => -745, vein => 813 ); my @names = sort keys(%pairs); my @weights = @pairs{@names}; foreach my $n (1 .. @names) { forcomb { lastfor, print "Length $n: @names[@_]\n" if vecsum(@weights[@_]) == 0; } @names, $n; }
words = { "alliance": -624, "archbishop": -925, "balm": 397, "bonnet": 452, "brute": 870, "centipede": -658, "cobol": 362, "covariate": 590, "departure": 952, "deploy": 44, "diophantine": 645, "efferent": 54, "elysee": -326, "eradicate": 376, "escritoire": 856, "exorcism": -983, "fiat": 170, "filmy": -874, "flatworm": 503, "gestapo": 915, "infra": -847, "isis": -982, "lindholm": 999, "markham": 475, "mincemeat": -880, "moresby": 756, "mycenae": 183, "plugging": -266, "smokescreen": 423, "speakeasy": -745, "vein": 813 } neg = 0 pos = 0 for (w,v) in words.iteritems(): if v > 0: pos += v else: neg += v sums = [0] * (pos - neg + 1) for (w,v) in words.iteritems(): s = sums[:] if not s[v - neg]: s[v - neg] = (w,) for (i, w2) in enumerate(sums): if w2 and not s[i + v]: s[i + v] = w2 + (w,) sums = s if s[-neg]: for x in s[-neg]: print(x, words[x]) break
Maintain the same structure and functionality when rewriting this code in Python.
use ntheory qw/:all/; my %pairs = ( alliance => -624, archbishop => -915, balm => 397, bonnet => 452, brute => 870, centipede => -658, cobol => 362, covariate => 590, departure => 952, deploy => 44, diophantine => 645, efferent => 54, elysee => -326, eradicate => 376, escritoire => 856, exorcism => -983, fiat => 170, filmy => -874, flatworm => 503, gestapo => 915, infra => -847, isis => -982, lindholm => 999, markham => 475, mincemeat => -880, moresby => 756, mycenae => 183, plugging => -266, smokescreen => 423, speakeasy => -745, vein => 813 ); my @names = sort keys(%pairs); my @weights = @pairs{@names}; foreach my $n (1 .. @names) { forcomb { lastfor, print "Length $n: @names[@_]\n" if vecsum(@weights[@_]) == 0; } @names, $n; }
words = { "alliance": -624, "archbishop": -925, "balm": 397, "bonnet": 452, "brute": 870, "centipede": -658, "cobol": 362, "covariate": 590, "departure": 952, "deploy": 44, "diophantine": 645, "efferent": 54, "elysee": -326, "eradicate": 376, "escritoire": 856, "exorcism": -983, "fiat": 170, "filmy": -874, "flatworm": 503, "gestapo": 915, "infra": -847, "isis": -982, "lindholm": 999, "markham": 475, "mincemeat": -880, "moresby": 756, "mycenae": 183, "plugging": -266, "smokescreen": 423, "speakeasy": -745, "vein": 813 } neg = 0 pos = 0 for (w,v) in words.iteritems(): if v > 0: pos += v else: neg += v sums = [0] * (pos - neg + 1) for (w,v) in words.iteritems(): s = sums[:] if not s[v - neg]: s[v - neg] = (w,) for (i, w2) in enumerate(sums): if w2 and not s[i + v]: s[i + v] = w2 + (w,) sums = s if s[-neg]: for x in s[-neg]: print(x, words[x]) break
Maintain the same structure and functionality when rewriting this code in Go.
use ntheory qw/:all/; my %pairs = ( alliance => -624, archbishop => -915, balm => 397, bonnet => 452, brute => 870, centipede => -658, cobol => 362, covariate => 590, departure => 952, deploy => 44, diophantine => 645, efferent => 54, elysee => -326, eradicate => 376, escritoire => 856, exorcism => -983, fiat => 170, filmy => -874, flatworm => 503, gestapo => 915, infra => -847, isis => -982, lindholm => 999, markham => 475, mincemeat => -880, moresby => 756, mycenae => 183, plugging => -266, smokescreen => 423, speakeasy => -745, vein => 813 ); my @names = sort keys(%pairs); my @weights = @pairs{@names}; foreach my $n (1 .. @names) { forcomb { lastfor, print "Length $n: @names[@_]\n" if vecsum(@weights[@_]) == 0; } @names, $n; }
package main import "fmt" type ww struct { word string weight int } var input = []*ww{ {"alliance", -624}, {"archbishop", -915}, {"balm", 397}, {"bonnet", 452}, {"brute", 870}, {"centipede", -658}, {"cobol", 362}, {"covariate", 590}, {"departure", 952}, {"deploy", 44}, {"diophantine", 645}, {"efferent", 54}, {"elysee", -326}, {"eradicate", 376}, {"escritoire", 856}, {"exorcism", -983}, {"fiat", 170}, {"filmy", -874}, {"flatworm", 503}, {"gestapo", 915}, {"infra", -847}, {"isis", -982}, {"lindholm", 999}, {"markham", 475}, {"mincemeat", -880}, {"moresby", 756}, {"mycenae", 183}, {"plugging", -266}, {"smokescreen", 423}, {"speakeasy", -745}, {"vein", 813}, } type sss struct { subset []*ww sum int } func main() { ps := []sss{{nil, 0}} for _, i := range input { pl := len(ps) for j := 0; j < pl; j++ { subset := append([]*ww{i}, ps[j].subset...) sum := i.weight + ps[j].sum if sum == 0 { fmt.Println("this subset sums to 0:") for _, i := range subset { fmt.Println(*i) } return } ps = append(ps, sss{subset, sum}) } } fmt.Println("no subset sums to 0") }
Port the following code from Perl to Go with equivalent syntax and logic.
use ntheory qw/:all/; my %pairs = ( alliance => -624, archbishop => -915, balm => 397, bonnet => 452, brute => 870, centipede => -658, cobol => 362, covariate => 590, departure => 952, deploy => 44, diophantine => 645, efferent => 54, elysee => -326, eradicate => 376, escritoire => 856, exorcism => -983, fiat => 170, filmy => -874, flatworm => 503, gestapo => 915, infra => -847, isis => -982, lindholm => 999, markham => 475, mincemeat => -880, moresby => 756, mycenae => 183, plugging => -266, smokescreen => 423, speakeasy => -745, vein => 813 ); my @names = sort keys(%pairs); my @weights = @pairs{@names}; foreach my $n (1 .. @names) { forcomb { lastfor, print "Length $n: @names[@_]\n" if vecsum(@weights[@_]) == 0; } @names, $n; }
package main import "fmt" type ww struct { word string weight int } var input = []*ww{ {"alliance", -624}, {"archbishop", -915}, {"balm", 397}, {"bonnet", 452}, {"brute", 870}, {"centipede", -658}, {"cobol", 362}, {"covariate", 590}, {"departure", 952}, {"deploy", 44}, {"diophantine", 645}, {"efferent", 54}, {"elysee", -326}, {"eradicate", 376}, {"escritoire", 856}, {"exorcism", -983}, {"fiat", 170}, {"filmy", -874}, {"flatworm", 503}, {"gestapo", 915}, {"infra", -847}, {"isis", -982}, {"lindholm", 999}, {"markham", 475}, {"mincemeat", -880}, {"moresby", 756}, {"mycenae", 183}, {"plugging", -266}, {"smokescreen", 423}, {"speakeasy", -745}, {"vein", 813}, } type sss struct { subset []*ww sum int } func main() { ps := []sss{{nil, 0}} for _, i := range input { pl := len(ps) for j := 0; j < pl; j++ { subset := append([]*ww{i}, ps[j].subset...) sum := i.weight + ps[j].sum if sum == 0 { fmt.Println("this subset sums to 0:") for _, i := range subset { fmt.Println(*i) } return } ps = append(ps, sss{subset, sum}) } } fmt.Println("no subset sums to 0") }
Write a version of this Racket function in C with identical behavior.
#lang racket (define words '([alliance -624] [archbishop -915] [balm 397] [bonnet 452] [brute 870] [centipede -658] [cobol 362] [covariate 590] [departure 952] [deploy 44] [diophantine 645] [efferent 54] [elysee -326] [eradicate 376] [escritoire 856] [exorcism -983] [fiat 170] [filmy -874] [flatworm 503] [gestapo 915] [infra -847] [isis -982] [lindholm 999] [markham 475] [mincemeat -880] [moresby 756] [mycenae 183] [plugging -266] [smokescreen 423] [speakeasy -745] [vein 813])) (define (nsubsets l n) (cond [(zero? n) '(())] [(null? l) '()] [else (append (for/list ([l2 (nsubsets (cdr l) (- n 1))]) (cons (car l) l2)) (nsubsets (cdr l) n))])) (for*/first ([i (sub1 (length words))] [s (nsubsets words (add1 i))] #:when (zero? (apply + (map cadr s)))) (map car s)) (define (zero-subsets l) (define (loop l len n r sum) (cond [(zero? n) (when (zero? sum) (displayln (reverse r)))] [(and (pair? l) (<= sum (* 1000 n))) (when (< n len) (loop (cdr l) (sub1 len) n r sum)) (loop (cdr l) (sub1 len) (sub1 n) (cons (caar l) r) (+ (cadar l) sum))])) (define len (length l)) (for ([i (sub1 len)]) (loop l len (add1 i) '() 0))) (zero-subsets words)
#include <stdio.h> #include <stdlib.h> typedef struct { char *word; int weight; } item_t; item_t items[] = { {"alliance", -624}, {"archbishop", -915}, {"balm", 397}, {"bonnet", 452}, {"brute", 870}, {"centipede", -658}, {"cobol", 362}, {"covariate", 590}, {"departure", 952}, {"deploy", 44}, {"diophantine", 645}, {"efferent", 54}, {"elysee", -326}, {"eradicate", 376}, {"escritoire", 856}, {"exorcism", -983}, {"fiat", 170}, {"filmy", -874}, {"flatworm", 503}, {"gestapo", 915}, {"infra", -847}, {"isis", -982}, {"lindholm", 999}, {"markham", 475}, {"mincemeat", -880}, {"moresby", 756}, {"mycenae", 183}, {"plugging", -266}, {"smokescreen", 423}, {"speakeasy", -745}, {"vein", 813}, }; int n = sizeof (items) / sizeof (item_t); int *set; void subsum (int i, int weight) { int j; if (i && !weight) { for (j = 0; j < i; j++) { item_t item = items[set[j]]; printf("%s%s", j ? " " : "", items[set[j]].word); } printf("\n"); } for (j = i ? set[i - 1] + 1: 0; j < n; j++) { set[i] = j; subsum(i + 1, weight + items[j].weight); } } int main () { set = malloc(n * sizeof (int)); subsum(0, 0); return 0; }
Ensure the translated C code behaves exactly like the original Racket snippet.
#lang racket (define words '([alliance -624] [archbishop -915] [balm 397] [bonnet 452] [brute 870] [centipede -658] [cobol 362] [covariate 590] [departure 952] [deploy 44] [diophantine 645] [efferent 54] [elysee -326] [eradicate 376] [escritoire 856] [exorcism -983] [fiat 170] [filmy -874] [flatworm 503] [gestapo 915] [infra -847] [isis -982] [lindholm 999] [markham 475] [mincemeat -880] [moresby 756] [mycenae 183] [plugging -266] [smokescreen 423] [speakeasy -745] [vein 813])) (define (nsubsets l n) (cond [(zero? n) '(())] [(null? l) '()] [else (append (for/list ([l2 (nsubsets (cdr l) (- n 1))]) (cons (car l) l2)) (nsubsets (cdr l) n))])) (for*/first ([i (sub1 (length words))] [s (nsubsets words (add1 i))] #:when (zero? (apply + (map cadr s)))) (map car s)) (define (zero-subsets l) (define (loop l len n r sum) (cond [(zero? n) (when (zero? sum) (displayln (reverse r)))] [(and (pair? l) (<= sum (* 1000 n))) (when (< n len) (loop (cdr l) (sub1 len) n r sum)) (loop (cdr l) (sub1 len) (sub1 n) (cons (caar l) r) (+ (cadar l) sum))])) (define len (length l)) (for ([i (sub1 len)]) (loop l len (add1 i) '() 0))) (zero-subsets words)
#include <stdio.h> #include <stdlib.h> typedef struct { char *word; int weight; } item_t; item_t items[] = { {"alliance", -624}, {"archbishop", -915}, {"balm", 397}, {"bonnet", 452}, {"brute", 870}, {"centipede", -658}, {"cobol", 362}, {"covariate", 590}, {"departure", 952}, {"deploy", 44}, {"diophantine", 645}, {"efferent", 54}, {"elysee", -326}, {"eradicate", 376}, {"escritoire", 856}, {"exorcism", -983}, {"fiat", 170}, {"filmy", -874}, {"flatworm", 503}, {"gestapo", 915}, {"infra", -847}, {"isis", -982}, {"lindholm", 999}, {"markham", 475}, {"mincemeat", -880}, {"moresby", 756}, {"mycenae", 183}, {"plugging", -266}, {"smokescreen", 423}, {"speakeasy", -745}, {"vein", 813}, }; int n = sizeof (items) / sizeof (item_t); int *set; void subsum (int i, int weight) { int j; if (i && !weight) { for (j = 0; j < i; j++) { item_t item = items[set[j]]; printf("%s%s", j ? " " : "", items[set[j]].word); } printf("\n"); } for (j = i ? set[i - 1] + 1: 0; j < n; j++) { set[i] = j; subsum(i + 1, weight + items[j].weight); } } int main () { set = malloc(n * sizeof (int)); subsum(0, 0); return 0; }
Ensure the translated C# code behaves exactly like the original Racket snippet.
#lang racket (define words '([alliance -624] [archbishop -915] [balm 397] [bonnet 452] [brute 870] [centipede -658] [cobol 362] [covariate 590] [departure 952] [deploy 44] [diophantine 645] [efferent 54] [elysee -326] [eradicate 376] [escritoire 856] [exorcism -983] [fiat 170] [filmy -874] [flatworm 503] [gestapo 915] [infra -847] [isis -982] [lindholm 999] [markham 475] [mincemeat -880] [moresby 756] [mycenae 183] [plugging -266] [smokescreen 423] [speakeasy -745] [vein 813])) (define (nsubsets l n) (cond [(zero? n) '(())] [(null? l) '()] [else (append (for/list ([l2 (nsubsets (cdr l) (- n 1))]) (cons (car l) l2)) (nsubsets (cdr l) n))])) (for*/first ([i (sub1 (length words))] [s (nsubsets words (add1 i))] #:when (zero? (apply + (map cadr s)))) (map car s)) (define (zero-subsets l) (define (loop l len n r sum) (cond [(zero? n) (when (zero? sum) (displayln (reverse r)))] [(and (pair? l) (<= sum (* 1000 n))) (when (< n len) (loop (cdr l) (sub1 len) n r sum)) (loop (cdr l) (sub1 len) (sub1 n) (cons (caar l) r) (+ (cadar l) sum))])) (define len (length l)) (for ([i (sub1 len)]) (loop l len (add1 i) '() 0))) (zero-subsets words)
using System; using System.Collections.Generic; namespace SubsetSum { class Item { public Item(string word, int weight) { Word = word; Weight = weight; } public string Word { get; set; } public int Weight { get; set; } public override string ToString() { return string.Format("({0}, {1})", Word, Weight); } } class Program { private static readonly List<Item> items = new List<Item>() { new Item("alliance", -624), new Item("archbishop", -915), new Item("balm", 397), new Item("bonnet", 452), new Item("brute", 870), new Item("centipede", -658), new Item("cobol", 362), new Item("covariate", 590), new Item("departure", 952), new Item("deploy", 44), new Item("diophantine", 645), new Item("efferent", 54), new Item("elysee", -326), new Item("eradicate", 376), new Item("escritoire", 856), new Item("exorcism", -983), new Item("fiat", 170), new Item("filmy", -874), new Item("flatworm", 503), new Item("gestapo", 915), new Item("infra", -847), new Item("isis", -982), new Item("lindholm", 999), new Item("markham", 475), new Item("mincemeat", -880), new Item("moresby", 756), new Item("mycenae", 183), new Item("plugging", -266), new Item("smokescreen", 423), new Item("speakeasy", -745), new Item("vein", 813), }; private static readonly int n = items.Count; private static readonly int LIMIT = 5; private static int[] indices = new int[n]; private static int count = 0; private static void ZeroSum(int i, int w) { if (i != 0 && w == 0) { for (int j = 0; j < i; j++) { Console.Write("{0} ", items[indices[j]]); } Console.WriteLine("\n"); if (count < LIMIT) count++; else return; } int k = (i != 0) ? indices[i - 1] + 1 : 0; for (int j = k; j < n; j++) { indices[i] = j; ZeroSum(i + 1, w + items[j].Weight); if (count == LIMIT) return; } } static void Main(string[] args) { Console.WriteLine("The weights of the following {0} subsets add up to zero:\n", LIMIT); ZeroSum(0, 0); } } }
Generate a C# translation of this Racket snippet without changing its computational steps.
#lang racket (define words '([alliance -624] [archbishop -915] [balm 397] [bonnet 452] [brute 870] [centipede -658] [cobol 362] [covariate 590] [departure 952] [deploy 44] [diophantine 645] [efferent 54] [elysee -326] [eradicate 376] [escritoire 856] [exorcism -983] [fiat 170] [filmy -874] [flatworm 503] [gestapo 915] [infra -847] [isis -982] [lindholm 999] [markham 475] [mincemeat -880] [moresby 756] [mycenae 183] [plugging -266] [smokescreen 423] [speakeasy -745] [vein 813])) (define (nsubsets l n) (cond [(zero? n) '(())] [(null? l) '()] [else (append (for/list ([l2 (nsubsets (cdr l) (- n 1))]) (cons (car l) l2)) (nsubsets (cdr l) n))])) (for*/first ([i (sub1 (length words))] [s (nsubsets words (add1 i))] #:when (zero? (apply + (map cadr s)))) (map car s)) (define (zero-subsets l) (define (loop l len n r sum) (cond [(zero? n) (when (zero? sum) (displayln (reverse r)))] [(and (pair? l) (<= sum (* 1000 n))) (when (< n len) (loop (cdr l) (sub1 len) n r sum)) (loop (cdr l) (sub1 len) (sub1 n) (cons (caar l) r) (+ (cadar l) sum))])) (define len (length l)) (for ([i (sub1 len)]) (loop l len (add1 i) '() 0))) (zero-subsets words)
using System; using System.Collections.Generic; namespace SubsetSum { class Item { public Item(string word, int weight) { Word = word; Weight = weight; } public string Word { get; set; } public int Weight { get; set; } public override string ToString() { return string.Format("({0}, {1})", Word, Weight); } } class Program { private static readonly List<Item> items = new List<Item>() { new Item("alliance", -624), new Item("archbishop", -915), new Item("balm", 397), new Item("bonnet", 452), new Item("brute", 870), new Item("centipede", -658), new Item("cobol", 362), new Item("covariate", 590), new Item("departure", 952), new Item("deploy", 44), new Item("diophantine", 645), new Item("efferent", 54), new Item("elysee", -326), new Item("eradicate", 376), new Item("escritoire", 856), new Item("exorcism", -983), new Item("fiat", 170), new Item("filmy", -874), new Item("flatworm", 503), new Item("gestapo", 915), new Item("infra", -847), new Item("isis", -982), new Item("lindholm", 999), new Item("markham", 475), new Item("mincemeat", -880), new Item("moresby", 756), new Item("mycenae", 183), new Item("plugging", -266), new Item("smokescreen", 423), new Item("speakeasy", -745), new Item("vein", 813), }; private static readonly int n = items.Count; private static readonly int LIMIT = 5; private static int[] indices = new int[n]; private static int count = 0; private static void ZeroSum(int i, int w) { if (i != 0 && w == 0) { for (int j = 0; j < i; j++) { Console.Write("{0} ", items[indices[j]]); } Console.WriteLine("\n"); if (count < LIMIT) count++; else return; } int k = (i != 0) ? indices[i - 1] + 1 : 0; for (int j = k; j < n; j++) { indices[i] = j; ZeroSum(i + 1, w + items[j].Weight); if (count == LIMIT) return; } } static void Main(string[] args) { Console.WriteLine("The weights of the following {0} subsets add up to zero:\n", LIMIT); ZeroSum(0, 0); } } }
Port the provided Racket code into C++ while preserving the original functionality.
#lang racket (define words '([alliance -624] [archbishop -915] [balm 397] [bonnet 452] [brute 870] [centipede -658] [cobol 362] [covariate 590] [departure 952] [deploy 44] [diophantine 645] [efferent 54] [elysee -326] [eradicate 376] [escritoire 856] [exorcism -983] [fiat 170] [filmy -874] [flatworm 503] [gestapo 915] [infra -847] [isis -982] [lindholm 999] [markham 475] [mincemeat -880] [moresby 756] [mycenae 183] [plugging -266] [smokescreen 423] [speakeasy -745] [vein 813])) (define (nsubsets l n) (cond [(zero? n) '(())] [(null? l) '()] [else (append (for/list ([l2 (nsubsets (cdr l) (- n 1))]) (cons (car l) l2)) (nsubsets (cdr l) n))])) (for*/first ([i (sub1 (length words))] [s (nsubsets words (add1 i))] #:when (zero? (apply + (map cadr s)))) (map car s)) (define (zero-subsets l) (define (loop l len n r sum) (cond [(zero? n) (when (zero? sum) (displayln (reverse r)))] [(and (pair? l) (<= sum (* 1000 n))) (when (< n len) (loop (cdr l) (sub1 len) n r sum)) (loop (cdr l) (sub1 len) (sub1 n) (cons (caar l) r) (+ (cadar l) sum))])) (define len (length l)) (for ([i (sub1 len)]) (loop l len (add1 i) '() 0))) (zero-subsets words)
#include <iostream> #include <vector> std::ostream& operator<<(std::ostream& out, const std::string& str) { return out << str.c_str(); } std::vector<std::pair<std::string, int>> items{ {"alliance", -624}, {"archbishop", -915}, {"balm", 397}, {"bonnet", 452}, {"brute", 870}, {"centipede", -658}, {"cobol", 362}, {"covariate", 590}, {"departure", 952}, {"deploy", 44}, {"diophantine", 645}, {"efferent", 54}, {"elysee", -326}, {"eradicate", 376}, {"escritoire", 856}, {"exorcism", -983}, {"fiat", 170}, {"filmy", -874}, {"flatworm", 503}, {"gestapo", 915}, {"infra", -847}, {"isis", -982}, {"lindholm", 999}, {"markham", 475}, {"mincemeat", -880}, {"moresby", 756}, {"mycenae", 183}, {"plugging", -266}, {"smokescreen", 423}, {"speakeasy", -745}, {"vein", 813}, }; std::vector<int> indices; int count = 0; const int LIMIT = 5; void subsum(int i, int weight) { if (i != 0 && weight == 0) { for (int j = 0; j < i; ++j) { auto item = items[indices[j]]; std::cout << (j ? " " : "") << item.first; } std::cout << '\n'; if (count < LIMIT) count++; else return; } int k = (i != 0) ? indices[i - 1] + 1 : 0; for (int j = k; j < items.size(); ++j) { indices[i] = j; subsum(i + 1, weight + items[j].second); if (count == LIMIT) return; } } int main() { indices.resize(items.size()); subsum(0, 0); return 0; }
Port the following code from Racket to C++ with equivalent syntax and logic.
#lang racket (define words '([alliance -624] [archbishop -915] [balm 397] [bonnet 452] [brute 870] [centipede -658] [cobol 362] [covariate 590] [departure 952] [deploy 44] [diophantine 645] [efferent 54] [elysee -326] [eradicate 376] [escritoire 856] [exorcism -983] [fiat 170] [filmy -874] [flatworm 503] [gestapo 915] [infra -847] [isis -982] [lindholm 999] [markham 475] [mincemeat -880] [moresby 756] [mycenae 183] [plugging -266] [smokescreen 423] [speakeasy -745] [vein 813])) (define (nsubsets l n) (cond [(zero? n) '(())] [(null? l) '()] [else (append (for/list ([l2 (nsubsets (cdr l) (- n 1))]) (cons (car l) l2)) (nsubsets (cdr l) n))])) (for*/first ([i (sub1 (length words))] [s (nsubsets words (add1 i))] #:when (zero? (apply + (map cadr s)))) (map car s)) (define (zero-subsets l) (define (loop l len n r sum) (cond [(zero? n) (when (zero? sum) (displayln (reverse r)))] [(and (pair? l) (<= sum (* 1000 n))) (when (< n len) (loop (cdr l) (sub1 len) n r sum)) (loop (cdr l) (sub1 len) (sub1 n) (cons (caar l) r) (+ (cadar l) sum))])) (define len (length l)) (for ([i (sub1 len)]) (loop l len (add1 i) '() 0))) (zero-subsets words)
#include <iostream> #include <vector> std::ostream& operator<<(std::ostream& out, const std::string& str) { return out << str.c_str(); } std::vector<std::pair<std::string, int>> items{ {"alliance", -624}, {"archbishop", -915}, {"balm", 397}, {"bonnet", 452}, {"brute", 870}, {"centipede", -658}, {"cobol", 362}, {"covariate", 590}, {"departure", 952}, {"deploy", 44}, {"diophantine", 645}, {"efferent", 54}, {"elysee", -326}, {"eradicate", 376}, {"escritoire", 856}, {"exorcism", -983}, {"fiat", 170}, {"filmy", -874}, {"flatworm", 503}, {"gestapo", 915}, {"infra", -847}, {"isis", -982}, {"lindholm", 999}, {"markham", 475}, {"mincemeat", -880}, {"moresby", 756}, {"mycenae", 183}, {"plugging", -266}, {"smokescreen", 423}, {"speakeasy", -745}, {"vein", 813}, }; std::vector<int> indices; int count = 0; const int LIMIT = 5; void subsum(int i, int weight) { if (i != 0 && weight == 0) { for (int j = 0; j < i; ++j) { auto item = items[indices[j]]; std::cout << (j ? " " : "") << item.first; } std::cout << '\n'; if (count < LIMIT) count++; else return; } int k = (i != 0) ? indices[i - 1] + 1 : 0; for (int j = k; j < items.size(); ++j) { indices[i] = j; subsum(i + 1, weight + items[j].second); if (count == LIMIT) return; } } int main() { indices.resize(items.size()); subsum(0, 0); return 0; }
Transform the following Racket implementation into Java, maintaining the same output and logic.
#lang racket (define words '([alliance -624] [archbishop -915] [balm 397] [bonnet 452] [brute 870] [centipede -658] [cobol 362] [covariate 590] [departure 952] [deploy 44] [diophantine 645] [efferent 54] [elysee -326] [eradicate 376] [escritoire 856] [exorcism -983] [fiat 170] [filmy -874] [flatworm 503] [gestapo 915] [infra -847] [isis -982] [lindholm 999] [markham 475] [mincemeat -880] [moresby 756] [mycenae 183] [plugging -266] [smokescreen 423] [speakeasy -745] [vein 813])) (define (nsubsets l n) (cond [(zero? n) '(())] [(null? l) '()] [else (append (for/list ([l2 (nsubsets (cdr l) (- n 1))]) (cons (car l) l2)) (nsubsets (cdr l) n))])) (for*/first ([i (sub1 (length words))] [s (nsubsets words (add1 i))] #:when (zero? (apply + (map cadr s)))) (map car s)) (define (zero-subsets l) (define (loop l len n r sum) (cond [(zero? n) (when (zero? sum) (displayln (reverse r)))] [(and (pair? l) (<= sum (* 1000 n))) (when (< n len) (loop (cdr l) (sub1 len) n r sum)) (loop (cdr l) (sub1 len) (sub1 n) (cons (caar l) r) (+ (cadar l) sum))])) (define len (length l)) (for ([i (sub1 len)]) (loop l len (add1 i) '() 0))) (zero-subsets words)
public class SubsetSum { private static class Item { private String word; private int weight; public Item(String word, int weight) { this.word = word; this.weight = weight; } @Override public String toString() { return String.format("(%s, %d)", word, weight); } } private static Item[] items = new Item[]{ new Item("alliance", -624), new Item("archbishop", -915), new Item("balm", 397), new Item("bonnet", 452), new Item("brute", 870), new Item("centipede", -658), new Item("cobol", 362), new Item("covariate", 590), new Item("departure", 952), new Item("deploy", 44), new Item("diophantine", 645), new Item("efferent", 54), new Item("elysee", -326), new Item("eradicate", 376), new Item("escritoire", 856), new Item("exorcism", -983), new Item("fiat", 170), new Item("filmy", -874), new Item("flatworm", 503), new Item("gestapo", 915), new Item("infra", -847), new Item("isis", -982), new Item("lindholm", 999), new Item("markham", 475), new Item("mincemeat", -880), new Item("moresby", 756), new Item("mycenae", 183), new Item("plugging", -266), new Item("smokescreen", 423), new Item("speakeasy", -745), new Item("vein", 813), }; private static final int n = items.length; private static final int[] indices = new int[n]; private static int count = 0; private static final int LIMIT = 5; private static void zeroSum(int i, int w) { if (i != 0 && w == 0) { for (int j = 0; j < i; ++j) { System.out.printf("%s ", items[indices[j]]); } System.out.println("\n"); if (count < LIMIT) count++; else return; } int k = (i != 0) ? indices[i - 1] + 1 : 0; for (int j = k; j < n; ++j) { indices[i] = j; zeroSum(i + 1, w + items[j].weight); if (count == LIMIT) return; } } public static void main(String[] args) { System.out.printf("The weights of the following %d subsets add up to zero:\n\n", LIMIT); zeroSum(0, 0); } }
Convert the following code from Racket to Java, ensuring the logic remains intact.
#lang racket (define words '([alliance -624] [archbishop -915] [balm 397] [bonnet 452] [brute 870] [centipede -658] [cobol 362] [covariate 590] [departure 952] [deploy 44] [diophantine 645] [efferent 54] [elysee -326] [eradicate 376] [escritoire 856] [exorcism -983] [fiat 170] [filmy -874] [flatworm 503] [gestapo 915] [infra -847] [isis -982] [lindholm 999] [markham 475] [mincemeat -880] [moresby 756] [mycenae 183] [plugging -266] [smokescreen 423] [speakeasy -745] [vein 813])) (define (nsubsets l n) (cond [(zero? n) '(())] [(null? l) '()] [else (append (for/list ([l2 (nsubsets (cdr l) (- n 1))]) (cons (car l) l2)) (nsubsets (cdr l) n))])) (for*/first ([i (sub1 (length words))] [s (nsubsets words (add1 i))] #:when (zero? (apply + (map cadr s)))) (map car s)) (define (zero-subsets l) (define (loop l len n r sum) (cond [(zero? n) (when (zero? sum) (displayln (reverse r)))] [(and (pair? l) (<= sum (* 1000 n))) (when (< n len) (loop (cdr l) (sub1 len) n r sum)) (loop (cdr l) (sub1 len) (sub1 n) (cons (caar l) r) (+ (cadar l) sum))])) (define len (length l)) (for ([i (sub1 len)]) (loop l len (add1 i) '() 0))) (zero-subsets words)
public class SubsetSum { private static class Item { private String word; private int weight; public Item(String word, int weight) { this.word = word; this.weight = weight; } @Override public String toString() { return String.format("(%s, %d)", word, weight); } } private static Item[] items = new Item[]{ new Item("alliance", -624), new Item("archbishop", -915), new Item("balm", 397), new Item("bonnet", 452), new Item("brute", 870), new Item("centipede", -658), new Item("cobol", 362), new Item("covariate", 590), new Item("departure", 952), new Item("deploy", 44), new Item("diophantine", 645), new Item("efferent", 54), new Item("elysee", -326), new Item("eradicate", 376), new Item("escritoire", 856), new Item("exorcism", -983), new Item("fiat", 170), new Item("filmy", -874), new Item("flatworm", 503), new Item("gestapo", 915), new Item("infra", -847), new Item("isis", -982), new Item("lindholm", 999), new Item("markham", 475), new Item("mincemeat", -880), new Item("moresby", 756), new Item("mycenae", 183), new Item("plugging", -266), new Item("smokescreen", 423), new Item("speakeasy", -745), new Item("vein", 813), }; private static final int n = items.length; private static final int[] indices = new int[n]; private static int count = 0; private static final int LIMIT = 5; private static void zeroSum(int i, int w) { if (i != 0 && w == 0) { for (int j = 0; j < i; ++j) { System.out.printf("%s ", items[indices[j]]); } System.out.println("\n"); if (count < LIMIT) count++; else return; } int k = (i != 0) ? indices[i - 1] + 1 : 0; for (int j = k; j < n; ++j) { indices[i] = j; zeroSum(i + 1, w + items[j].weight); if (count == LIMIT) return; } } public static void main(String[] args) { System.out.printf("The weights of the following %d subsets add up to zero:\n\n", LIMIT); zeroSum(0, 0); } }
Please provide an equivalent version of this Racket code in Python.
#lang racket (define words '([alliance -624] [archbishop -915] [balm 397] [bonnet 452] [brute 870] [centipede -658] [cobol 362] [covariate 590] [departure 952] [deploy 44] [diophantine 645] [efferent 54] [elysee -326] [eradicate 376] [escritoire 856] [exorcism -983] [fiat 170] [filmy -874] [flatworm 503] [gestapo 915] [infra -847] [isis -982] [lindholm 999] [markham 475] [mincemeat -880] [moresby 756] [mycenae 183] [plugging -266] [smokescreen 423] [speakeasy -745] [vein 813])) (define (nsubsets l n) (cond [(zero? n) '(())] [(null? l) '()] [else (append (for/list ([l2 (nsubsets (cdr l) (- n 1))]) (cons (car l) l2)) (nsubsets (cdr l) n))])) (for*/first ([i (sub1 (length words))] [s (nsubsets words (add1 i))] #:when (zero? (apply + (map cadr s)))) (map car s)) (define (zero-subsets l) (define (loop l len n r sum) (cond [(zero? n) (when (zero? sum) (displayln (reverse r)))] [(and (pair? l) (<= sum (* 1000 n))) (when (< n len) (loop (cdr l) (sub1 len) n r sum)) (loop (cdr l) (sub1 len) (sub1 n) (cons (caar l) r) (+ (cadar l) sum))])) (define len (length l)) (for ([i (sub1 len)]) (loop l len (add1 i) '() 0))) (zero-subsets words)
words = { "alliance": -624, "archbishop": -925, "balm": 397, "bonnet": 452, "brute": 870, "centipede": -658, "cobol": 362, "covariate": 590, "departure": 952, "deploy": 44, "diophantine": 645, "efferent": 54, "elysee": -326, "eradicate": 376, "escritoire": 856, "exorcism": -983, "fiat": 170, "filmy": -874, "flatworm": 503, "gestapo": 915, "infra": -847, "isis": -982, "lindholm": 999, "markham": 475, "mincemeat": -880, "moresby": 756, "mycenae": 183, "plugging": -266, "smokescreen": 423, "speakeasy": -745, "vein": 813 } neg = 0 pos = 0 for (w,v) in words.iteritems(): if v > 0: pos += v else: neg += v sums = [0] * (pos - neg + 1) for (w,v) in words.iteritems(): s = sums[:] if not s[v - neg]: s[v - neg] = (w,) for (i, w2) in enumerate(sums): if w2 and not s[i + v]: s[i + v] = w2 + (w,) sums = s if s[-neg]: for x in s[-neg]: print(x, words[x]) break
Rewrite the snippet below in Python so it works the same as the original Racket code.
#lang racket (define words '([alliance -624] [archbishop -915] [balm 397] [bonnet 452] [brute 870] [centipede -658] [cobol 362] [covariate 590] [departure 952] [deploy 44] [diophantine 645] [efferent 54] [elysee -326] [eradicate 376] [escritoire 856] [exorcism -983] [fiat 170] [filmy -874] [flatworm 503] [gestapo 915] [infra -847] [isis -982] [lindholm 999] [markham 475] [mincemeat -880] [moresby 756] [mycenae 183] [plugging -266] [smokescreen 423] [speakeasy -745] [vein 813])) (define (nsubsets l n) (cond [(zero? n) '(())] [(null? l) '()] [else (append (for/list ([l2 (nsubsets (cdr l) (- n 1))]) (cons (car l) l2)) (nsubsets (cdr l) n))])) (for*/first ([i (sub1 (length words))] [s (nsubsets words (add1 i))] #:when (zero? (apply + (map cadr s)))) (map car s)) (define (zero-subsets l) (define (loop l len n r sum) (cond [(zero? n) (when (zero? sum) (displayln (reverse r)))] [(and (pair? l) (<= sum (* 1000 n))) (when (< n len) (loop (cdr l) (sub1 len) n r sum)) (loop (cdr l) (sub1 len) (sub1 n) (cons (caar l) r) (+ (cadar l) sum))])) (define len (length l)) (for ([i (sub1 len)]) (loop l len (add1 i) '() 0))) (zero-subsets words)
words = { "alliance": -624, "archbishop": -925, "balm": 397, "bonnet": 452, "brute": 870, "centipede": -658, "cobol": 362, "covariate": 590, "departure": 952, "deploy": 44, "diophantine": 645, "efferent": 54, "elysee": -326, "eradicate": 376, "escritoire": 856, "exorcism": -983, "fiat": 170, "filmy": -874, "flatworm": 503, "gestapo": 915, "infra": -847, "isis": -982, "lindholm": 999, "markham": 475, "mincemeat": -880, "moresby": 756, "mycenae": 183, "plugging": -266, "smokescreen": 423, "speakeasy": -745, "vein": 813 } neg = 0 pos = 0 for (w,v) in words.iteritems(): if v > 0: pos += v else: neg += v sums = [0] * (pos - neg + 1) for (w,v) in words.iteritems(): s = sums[:] if not s[v - neg]: s[v - neg] = (w,) for (i, w2) in enumerate(sums): if w2 and not s[i + v]: s[i + v] = w2 + (w,) sums = s if s[-neg]: for x in s[-neg]: print(x, words[x]) break
Convert this Racket block to Go, preserving its control flow and logic.
#lang racket (define words '([alliance -624] [archbishop -915] [balm 397] [bonnet 452] [brute 870] [centipede -658] [cobol 362] [covariate 590] [departure 952] [deploy 44] [diophantine 645] [efferent 54] [elysee -326] [eradicate 376] [escritoire 856] [exorcism -983] [fiat 170] [filmy -874] [flatworm 503] [gestapo 915] [infra -847] [isis -982] [lindholm 999] [markham 475] [mincemeat -880] [moresby 756] [mycenae 183] [plugging -266] [smokescreen 423] [speakeasy -745] [vein 813])) (define (nsubsets l n) (cond [(zero? n) '(())] [(null? l) '()] [else (append (for/list ([l2 (nsubsets (cdr l) (- n 1))]) (cons (car l) l2)) (nsubsets (cdr l) n))])) (for*/first ([i (sub1 (length words))] [s (nsubsets words (add1 i))] #:when (zero? (apply + (map cadr s)))) (map car s)) (define (zero-subsets l) (define (loop l len n r sum) (cond [(zero? n) (when (zero? sum) (displayln (reverse r)))] [(and (pair? l) (<= sum (* 1000 n))) (when (< n len) (loop (cdr l) (sub1 len) n r sum)) (loop (cdr l) (sub1 len) (sub1 n) (cons (caar l) r) (+ (cadar l) sum))])) (define len (length l)) (for ([i (sub1 len)]) (loop l len (add1 i) '() 0))) (zero-subsets words)
package main import "fmt" type ww struct { word string weight int } var input = []*ww{ {"alliance", -624}, {"archbishop", -915}, {"balm", 397}, {"bonnet", 452}, {"brute", 870}, {"centipede", -658}, {"cobol", 362}, {"covariate", 590}, {"departure", 952}, {"deploy", 44}, {"diophantine", 645}, {"efferent", 54}, {"elysee", -326}, {"eradicate", 376}, {"escritoire", 856}, {"exorcism", -983}, {"fiat", 170}, {"filmy", -874}, {"flatworm", 503}, {"gestapo", 915}, {"infra", -847}, {"isis", -982}, {"lindholm", 999}, {"markham", 475}, {"mincemeat", -880}, {"moresby", 756}, {"mycenae", 183}, {"plugging", -266}, {"smokescreen", 423}, {"speakeasy", -745}, {"vein", 813}, } type sss struct { subset []*ww sum int } func main() { ps := []sss{{nil, 0}} for _, i := range input { pl := len(ps) for j := 0; j < pl; j++ { subset := append([]*ww{i}, ps[j].subset...) sum := i.weight + ps[j].sum if sum == 0 { fmt.Println("this subset sums to 0:") for _, i := range subset { fmt.Println(*i) } return } ps = append(ps, sss{subset, sum}) } } fmt.Println("no subset sums to 0") }
Please provide an equivalent version of this Racket code in Go.
#lang racket (define words '([alliance -624] [archbishop -915] [balm 397] [bonnet 452] [brute 870] [centipede -658] [cobol 362] [covariate 590] [departure 952] [deploy 44] [diophantine 645] [efferent 54] [elysee -326] [eradicate 376] [escritoire 856] [exorcism -983] [fiat 170] [filmy -874] [flatworm 503] [gestapo 915] [infra -847] [isis -982] [lindholm 999] [markham 475] [mincemeat -880] [moresby 756] [mycenae 183] [plugging -266] [smokescreen 423] [speakeasy -745] [vein 813])) (define (nsubsets l n) (cond [(zero? n) '(())] [(null? l) '()] [else (append (for/list ([l2 (nsubsets (cdr l) (- n 1))]) (cons (car l) l2)) (nsubsets (cdr l) n))])) (for*/first ([i (sub1 (length words))] [s (nsubsets words (add1 i))] #:when (zero? (apply + (map cadr s)))) (map car s)) (define (zero-subsets l) (define (loop l len n r sum) (cond [(zero? n) (when (zero? sum) (displayln (reverse r)))] [(and (pair? l) (<= sum (* 1000 n))) (when (< n len) (loop (cdr l) (sub1 len) n r sum)) (loop (cdr l) (sub1 len) (sub1 n) (cons (caar l) r) (+ (cadar l) sum))])) (define len (length l)) (for ([i (sub1 len)]) (loop l len (add1 i) '() 0))) (zero-subsets words)
package main import "fmt" type ww struct { word string weight int } var input = []*ww{ {"alliance", -624}, {"archbishop", -915}, {"balm", 397}, {"bonnet", 452}, {"brute", 870}, {"centipede", -658}, {"cobol", 362}, {"covariate", 590}, {"departure", 952}, {"deploy", 44}, {"diophantine", 645}, {"efferent", 54}, {"elysee", -326}, {"eradicate", 376}, {"escritoire", 856}, {"exorcism", -983}, {"fiat", 170}, {"filmy", -874}, {"flatworm", 503}, {"gestapo", 915}, {"infra", -847}, {"isis", -982}, {"lindholm", 999}, {"markham", 475}, {"mincemeat", -880}, {"moresby", 756}, {"mycenae", 183}, {"plugging", -266}, {"smokescreen", 423}, {"speakeasy", -745}, {"vein", 813}, } type sss struct { subset []*ww sum int } func main() { ps := []sss{{nil, 0}} for _, i := range input { pl := len(ps) for j := 0; j < pl; j++ { subset := append([]*ww{i}, ps[j].subset...) sum := i.weight + ps[j].sum if sum == 0 { fmt.Println("this subset sums to 0:") for _, i := range subset { fmt.Println(*i) } return } ps = append(ps, sss{subset, sum}) } } fmt.Println("no subset sums to 0") }
Write a version of this REXX function in C with identical behavior.
parse arg target stopAt chunkette . if target=='' | target=="," then target= 0 if stopAt=='' | stopAt=="," then stopAt= 1 y= 0 zz= 'archbishop -915 covariate 590 mycenae 183 brute 870 balm 397 fiat 170' , 'smokescreen 423 eradicate 376 efferent 54 bonnet 452 vein 813 ' , 'diophantine 645 departure 952 lindholm 999 moresby 756 isis -982 ' , 'mincemeat -880 alliance -624 flatworm 503 elysee -326 cobol 362 ' , 'centipede -658 exorcism -983 gestapo 915 filmy -874 deploy 44 ' , 'speakeasy -745 plugging -266 markham 475 infra -847 escritoire 856 ' @.= 0 do N=1 until zz='' parse var zz @.N #.N zz end call eSort N call tellZ 'sorted' chunkStart= 1 chunkEnd = N if chunkette\=='' then do chunkStart= chunkette chunkEnd = chunkette end call time 'Reset' ??= 0 do chunk=chunkStart to chunkEnd call tello center(' doing chunk:' chunk" ", 79, '─') call combN N, chunk _= ?? if _==0 then _= 'No' call tello _ 'solution's(??) "found so far." end if ??==0 then ??= 'no' call tello 'Found' ?? "subset"s(??) 'whose summed weight's(??) "=" target exit combN: procedure expose @. #. ?? stopAt target; parse arg x,y; !.= @.0 base= x + 1; bbase= base - y do n=1 for y; !.n=n end ym= y - 1 do j=1; _= !.1; s= #._ if s>target then leave do k=2 for ym; _= !.k; s= s + #._ if s>target then do; if .combUp(k-1) then return; iterate j; end end if s==target then call telly !.y= !.y + 1; if !.y==base then if .combUp(ym) then leave end .combUp: procedure expose !. y bbase; parse arg d; if d==0 then return 1 p= !.d; do u=d to y; !.u= p + 1 if !.u >= bbase+u then return .combUp(u-1) p= !.u end eSort: procedure expose #. @. $.; parse arg N,$; h= N do while h>1; h= h % 2 do i=1 for N-h; j= i; k= h + i if $==. then do while $.k<$.j; parse value $.j $.k with $.k $.j if h>=j then leave; j= j - h; k= k - h end else do while #.k<#.j; parse value @.j @.k #.j #.k with @.k @.j #.k #.j if h>=j then leave; j= j - h; k= k - h end end end s: if arg(1)==1 then return arg(3); return word(arg(2) 's', 1) tello: parse arg _,e; if e==. then say; say _; call lineout 'SUBSET.'y, _; return telly: ??= ?? + 1; nameL= do gi=1 for y; ggg= !.gi $.gi= @.ggg end call eSort y, . do gs=1 for y; nameL= nameL $.gs end call tello '['y" name"s(y)']' space(nameL) if ??<stopAt | stopAt==0 then return call tello 'Stopped after finding ' ?? " subset"s(??)'.', . exit tellz: do j=1 for N call tello right('['j']', 30) right(@.j, 11) right(#.j, 5) end call tello call tello 'There are ' N " entries in the (above)" arg(1) 'table.' call tello; return
#include <stdio.h> #include <stdlib.h> typedef struct { char *word; int weight; } item_t; item_t items[] = { {"alliance", -624}, {"archbishop", -915}, {"balm", 397}, {"bonnet", 452}, {"brute", 870}, {"centipede", -658}, {"cobol", 362}, {"covariate", 590}, {"departure", 952}, {"deploy", 44}, {"diophantine", 645}, {"efferent", 54}, {"elysee", -326}, {"eradicate", 376}, {"escritoire", 856}, {"exorcism", -983}, {"fiat", 170}, {"filmy", -874}, {"flatworm", 503}, {"gestapo", 915}, {"infra", -847}, {"isis", -982}, {"lindholm", 999}, {"markham", 475}, {"mincemeat", -880}, {"moresby", 756}, {"mycenae", 183}, {"plugging", -266}, {"smokescreen", 423}, {"speakeasy", -745}, {"vein", 813}, }; int n = sizeof (items) / sizeof (item_t); int *set; void subsum (int i, int weight) { int j; if (i && !weight) { for (j = 0; j < i; j++) { item_t item = items[set[j]]; printf("%s%s", j ? " " : "", items[set[j]].word); } printf("\n"); } for (j = i ? set[i - 1] + 1: 0; j < n; j++) { set[i] = j; subsum(i + 1, weight + items[j].weight); } } int main () { set = malloc(n * sizeof (int)); subsum(0, 0); return 0; }
Generate an equivalent C version of this REXX code.
parse arg target stopAt chunkette . if target=='' | target=="," then target= 0 if stopAt=='' | stopAt=="," then stopAt= 1 y= 0 zz= 'archbishop -915 covariate 590 mycenae 183 brute 870 balm 397 fiat 170' , 'smokescreen 423 eradicate 376 efferent 54 bonnet 452 vein 813 ' , 'diophantine 645 departure 952 lindholm 999 moresby 756 isis -982 ' , 'mincemeat -880 alliance -624 flatworm 503 elysee -326 cobol 362 ' , 'centipede -658 exorcism -983 gestapo 915 filmy -874 deploy 44 ' , 'speakeasy -745 plugging -266 markham 475 infra -847 escritoire 856 ' @.= 0 do N=1 until zz='' parse var zz @.N #.N zz end call eSort N call tellZ 'sorted' chunkStart= 1 chunkEnd = N if chunkette\=='' then do chunkStart= chunkette chunkEnd = chunkette end call time 'Reset' ??= 0 do chunk=chunkStart to chunkEnd call tello center(' doing chunk:' chunk" ", 79, '─') call combN N, chunk _= ?? if _==0 then _= 'No' call tello _ 'solution's(??) "found so far." end if ??==0 then ??= 'no' call tello 'Found' ?? "subset"s(??) 'whose summed weight's(??) "=" target exit combN: procedure expose @. #. ?? stopAt target; parse arg x,y; !.= @.0 base= x + 1; bbase= base - y do n=1 for y; !.n=n end ym= y - 1 do j=1; _= !.1; s= #._ if s>target then leave do k=2 for ym; _= !.k; s= s + #._ if s>target then do; if .combUp(k-1) then return; iterate j; end end if s==target then call telly !.y= !.y + 1; if !.y==base then if .combUp(ym) then leave end .combUp: procedure expose !. y bbase; parse arg d; if d==0 then return 1 p= !.d; do u=d to y; !.u= p + 1 if !.u >= bbase+u then return .combUp(u-1) p= !.u end eSort: procedure expose #. @. $.; parse arg N,$; h= N do while h>1; h= h % 2 do i=1 for N-h; j= i; k= h + i if $==. then do while $.k<$.j; parse value $.j $.k with $.k $.j if h>=j then leave; j= j - h; k= k - h end else do while #.k<#.j; parse value @.j @.k #.j #.k with @.k @.j #.k #.j if h>=j then leave; j= j - h; k= k - h end end end s: if arg(1)==1 then return arg(3); return word(arg(2) 's', 1) tello: parse arg _,e; if e==. then say; say _; call lineout 'SUBSET.'y, _; return telly: ??= ?? + 1; nameL= do gi=1 for y; ggg= !.gi $.gi= @.ggg end call eSort y, . do gs=1 for y; nameL= nameL $.gs end call tello '['y" name"s(y)']' space(nameL) if ??<stopAt | stopAt==0 then return call tello 'Stopped after finding ' ?? " subset"s(??)'.', . exit tellz: do j=1 for N call tello right('['j']', 30) right(@.j, 11) right(#.j, 5) end call tello call tello 'There are ' N " entries in the (above)" arg(1) 'table.' call tello; return
#include <stdio.h> #include <stdlib.h> typedef struct { char *word; int weight; } item_t; item_t items[] = { {"alliance", -624}, {"archbishop", -915}, {"balm", 397}, {"bonnet", 452}, {"brute", 870}, {"centipede", -658}, {"cobol", 362}, {"covariate", 590}, {"departure", 952}, {"deploy", 44}, {"diophantine", 645}, {"efferent", 54}, {"elysee", -326}, {"eradicate", 376}, {"escritoire", 856}, {"exorcism", -983}, {"fiat", 170}, {"filmy", -874}, {"flatworm", 503}, {"gestapo", 915}, {"infra", -847}, {"isis", -982}, {"lindholm", 999}, {"markham", 475}, {"mincemeat", -880}, {"moresby", 756}, {"mycenae", 183}, {"plugging", -266}, {"smokescreen", 423}, {"speakeasy", -745}, {"vein", 813}, }; int n = sizeof (items) / sizeof (item_t); int *set; void subsum (int i, int weight) { int j; if (i && !weight) { for (j = 0; j < i; j++) { item_t item = items[set[j]]; printf("%s%s", j ? " " : "", items[set[j]].word); } printf("\n"); } for (j = i ? set[i - 1] + 1: 0; j < n; j++) { set[i] = j; subsum(i + 1, weight + items[j].weight); } } int main () { set = malloc(n * sizeof (int)); subsum(0, 0); return 0; }
Translate the given REXX code snippet into C# without altering its behavior.
parse arg target stopAt chunkette . if target=='' | target=="," then target= 0 if stopAt=='' | stopAt=="," then stopAt= 1 y= 0 zz= 'archbishop -915 covariate 590 mycenae 183 brute 870 balm 397 fiat 170' , 'smokescreen 423 eradicate 376 efferent 54 bonnet 452 vein 813 ' , 'diophantine 645 departure 952 lindholm 999 moresby 756 isis -982 ' , 'mincemeat -880 alliance -624 flatworm 503 elysee -326 cobol 362 ' , 'centipede -658 exorcism -983 gestapo 915 filmy -874 deploy 44 ' , 'speakeasy -745 plugging -266 markham 475 infra -847 escritoire 856 ' @.= 0 do N=1 until zz='' parse var zz @.N #.N zz end call eSort N call tellZ 'sorted' chunkStart= 1 chunkEnd = N if chunkette\=='' then do chunkStart= chunkette chunkEnd = chunkette end call time 'Reset' ??= 0 do chunk=chunkStart to chunkEnd call tello center(' doing chunk:' chunk" ", 79, '─') call combN N, chunk _= ?? if _==0 then _= 'No' call tello _ 'solution's(??) "found so far." end if ??==0 then ??= 'no' call tello 'Found' ?? "subset"s(??) 'whose summed weight's(??) "=" target exit combN: procedure expose @. #. ?? stopAt target; parse arg x,y; !.= @.0 base= x + 1; bbase= base - y do n=1 for y; !.n=n end ym= y - 1 do j=1; _= !.1; s= #._ if s>target then leave do k=2 for ym; _= !.k; s= s + #._ if s>target then do; if .combUp(k-1) then return; iterate j; end end if s==target then call telly !.y= !.y + 1; if !.y==base then if .combUp(ym) then leave end .combUp: procedure expose !. y bbase; parse arg d; if d==0 then return 1 p= !.d; do u=d to y; !.u= p + 1 if !.u >= bbase+u then return .combUp(u-1) p= !.u end eSort: procedure expose #. @. $.; parse arg N,$; h= N do while h>1; h= h % 2 do i=1 for N-h; j= i; k= h + i if $==. then do while $.k<$.j; parse value $.j $.k with $.k $.j if h>=j then leave; j= j - h; k= k - h end else do while #.k<#.j; parse value @.j @.k #.j #.k with @.k @.j #.k #.j if h>=j then leave; j= j - h; k= k - h end end end s: if arg(1)==1 then return arg(3); return word(arg(2) 's', 1) tello: parse arg _,e; if e==. then say; say _; call lineout 'SUBSET.'y, _; return telly: ??= ?? + 1; nameL= do gi=1 for y; ggg= !.gi $.gi= @.ggg end call eSort y, . do gs=1 for y; nameL= nameL $.gs end call tello '['y" name"s(y)']' space(nameL) if ??<stopAt | stopAt==0 then return call tello 'Stopped after finding ' ?? " subset"s(??)'.', . exit tellz: do j=1 for N call tello right('['j']', 30) right(@.j, 11) right(#.j, 5) end call tello call tello 'There are ' N " entries in the (above)" arg(1) 'table.' call tello; return
using System; using System.Collections.Generic; namespace SubsetSum { class Item { public Item(string word, int weight) { Word = word; Weight = weight; } public string Word { get; set; } public int Weight { get; set; } public override string ToString() { return string.Format("({0}, {1})", Word, Weight); } } class Program { private static readonly List<Item> items = new List<Item>() { new Item("alliance", -624), new Item("archbishop", -915), new Item("balm", 397), new Item("bonnet", 452), new Item("brute", 870), new Item("centipede", -658), new Item("cobol", 362), new Item("covariate", 590), new Item("departure", 952), new Item("deploy", 44), new Item("diophantine", 645), new Item("efferent", 54), new Item("elysee", -326), new Item("eradicate", 376), new Item("escritoire", 856), new Item("exorcism", -983), new Item("fiat", 170), new Item("filmy", -874), new Item("flatworm", 503), new Item("gestapo", 915), new Item("infra", -847), new Item("isis", -982), new Item("lindholm", 999), new Item("markham", 475), new Item("mincemeat", -880), new Item("moresby", 756), new Item("mycenae", 183), new Item("plugging", -266), new Item("smokescreen", 423), new Item("speakeasy", -745), new Item("vein", 813), }; private static readonly int n = items.Count; private static readonly int LIMIT = 5; private static int[] indices = new int[n]; private static int count = 0; private static void ZeroSum(int i, int w) { if (i != 0 && w == 0) { for (int j = 0; j < i; j++) { Console.Write("{0} ", items[indices[j]]); } Console.WriteLine("\n"); if (count < LIMIT) count++; else return; } int k = (i != 0) ? indices[i - 1] + 1 : 0; for (int j = k; j < n; j++) { indices[i] = j; ZeroSum(i + 1, w + items[j].Weight); if (count == LIMIT) return; } } static void Main(string[] args) { Console.WriteLine("The weights of the following {0} subsets add up to zero:\n", LIMIT); ZeroSum(0, 0); } } }
Maintain the same structure and functionality when rewriting this code in C#.
parse arg target stopAt chunkette . if target=='' | target=="," then target= 0 if stopAt=='' | stopAt=="," then stopAt= 1 y= 0 zz= 'archbishop -915 covariate 590 mycenae 183 brute 870 balm 397 fiat 170' , 'smokescreen 423 eradicate 376 efferent 54 bonnet 452 vein 813 ' , 'diophantine 645 departure 952 lindholm 999 moresby 756 isis -982 ' , 'mincemeat -880 alliance -624 flatworm 503 elysee -326 cobol 362 ' , 'centipede -658 exorcism -983 gestapo 915 filmy -874 deploy 44 ' , 'speakeasy -745 plugging -266 markham 475 infra -847 escritoire 856 ' @.= 0 do N=1 until zz='' parse var zz @.N #.N zz end call eSort N call tellZ 'sorted' chunkStart= 1 chunkEnd = N if chunkette\=='' then do chunkStart= chunkette chunkEnd = chunkette end call time 'Reset' ??= 0 do chunk=chunkStart to chunkEnd call tello center(' doing chunk:' chunk" ", 79, '─') call combN N, chunk _= ?? if _==0 then _= 'No' call tello _ 'solution's(??) "found so far." end if ??==0 then ??= 'no' call tello 'Found' ?? "subset"s(??) 'whose summed weight's(??) "=" target exit combN: procedure expose @. #. ?? stopAt target; parse arg x,y; !.= @.0 base= x + 1; bbase= base - y do n=1 for y; !.n=n end ym= y - 1 do j=1; _= !.1; s= #._ if s>target then leave do k=2 for ym; _= !.k; s= s + #._ if s>target then do; if .combUp(k-1) then return; iterate j; end end if s==target then call telly !.y= !.y + 1; if !.y==base then if .combUp(ym) then leave end .combUp: procedure expose !. y bbase; parse arg d; if d==0 then return 1 p= !.d; do u=d to y; !.u= p + 1 if !.u >= bbase+u then return .combUp(u-1) p= !.u end eSort: procedure expose #. @. $.; parse arg N,$; h= N do while h>1; h= h % 2 do i=1 for N-h; j= i; k= h + i if $==. then do while $.k<$.j; parse value $.j $.k with $.k $.j if h>=j then leave; j= j - h; k= k - h end else do while #.k<#.j; parse value @.j @.k #.j #.k with @.k @.j #.k #.j if h>=j then leave; j= j - h; k= k - h end end end s: if arg(1)==1 then return arg(3); return word(arg(2) 's', 1) tello: parse arg _,e; if e==. then say; say _; call lineout 'SUBSET.'y, _; return telly: ??= ?? + 1; nameL= do gi=1 for y; ggg= !.gi $.gi= @.ggg end call eSort y, . do gs=1 for y; nameL= nameL $.gs end call tello '['y" name"s(y)']' space(nameL) if ??<stopAt | stopAt==0 then return call tello 'Stopped after finding ' ?? " subset"s(??)'.', . exit tellz: do j=1 for N call tello right('['j']', 30) right(@.j, 11) right(#.j, 5) end call tello call tello 'There are ' N " entries in the (above)" arg(1) 'table.' call tello; return
using System; using System.Collections.Generic; namespace SubsetSum { class Item { public Item(string word, int weight) { Word = word; Weight = weight; } public string Word { get; set; } public int Weight { get; set; } public override string ToString() { return string.Format("({0}, {1})", Word, Weight); } } class Program { private static readonly List<Item> items = new List<Item>() { new Item("alliance", -624), new Item("archbishop", -915), new Item("balm", 397), new Item("bonnet", 452), new Item("brute", 870), new Item("centipede", -658), new Item("cobol", 362), new Item("covariate", 590), new Item("departure", 952), new Item("deploy", 44), new Item("diophantine", 645), new Item("efferent", 54), new Item("elysee", -326), new Item("eradicate", 376), new Item("escritoire", 856), new Item("exorcism", -983), new Item("fiat", 170), new Item("filmy", -874), new Item("flatworm", 503), new Item("gestapo", 915), new Item("infra", -847), new Item("isis", -982), new Item("lindholm", 999), new Item("markham", 475), new Item("mincemeat", -880), new Item("moresby", 756), new Item("mycenae", 183), new Item("plugging", -266), new Item("smokescreen", 423), new Item("speakeasy", -745), new Item("vein", 813), }; private static readonly int n = items.Count; private static readonly int LIMIT = 5; private static int[] indices = new int[n]; private static int count = 0; private static void ZeroSum(int i, int w) { if (i != 0 && w == 0) { for (int j = 0; j < i; j++) { Console.Write("{0} ", items[indices[j]]); } Console.WriteLine("\n"); if (count < LIMIT) count++; else return; } int k = (i != 0) ? indices[i - 1] + 1 : 0; for (int j = k; j < n; j++) { indices[i] = j; ZeroSum(i + 1, w + items[j].Weight); if (count == LIMIT) return; } } static void Main(string[] args) { Console.WriteLine("The weights of the following {0} subsets add up to zero:\n", LIMIT); ZeroSum(0, 0); } } }
Rewrite this program in C++ while keeping its functionality equivalent to the REXX version.
parse arg target stopAt chunkette . if target=='' | target=="," then target= 0 if stopAt=='' | stopAt=="," then stopAt= 1 y= 0 zz= 'archbishop -915 covariate 590 mycenae 183 brute 870 balm 397 fiat 170' , 'smokescreen 423 eradicate 376 efferent 54 bonnet 452 vein 813 ' , 'diophantine 645 departure 952 lindholm 999 moresby 756 isis -982 ' , 'mincemeat -880 alliance -624 flatworm 503 elysee -326 cobol 362 ' , 'centipede -658 exorcism -983 gestapo 915 filmy -874 deploy 44 ' , 'speakeasy -745 plugging -266 markham 475 infra -847 escritoire 856 ' @.= 0 do N=1 until zz='' parse var zz @.N #.N zz end call eSort N call tellZ 'sorted' chunkStart= 1 chunkEnd = N if chunkette\=='' then do chunkStart= chunkette chunkEnd = chunkette end call time 'Reset' ??= 0 do chunk=chunkStart to chunkEnd call tello center(' doing chunk:' chunk" ", 79, '─') call combN N, chunk _= ?? if _==0 then _= 'No' call tello _ 'solution's(??) "found so far." end if ??==0 then ??= 'no' call tello 'Found' ?? "subset"s(??) 'whose summed weight's(??) "=" target exit combN: procedure expose @. #. ?? stopAt target; parse arg x,y; !.= @.0 base= x + 1; bbase= base - y do n=1 for y; !.n=n end ym= y - 1 do j=1; _= !.1; s= #._ if s>target then leave do k=2 for ym; _= !.k; s= s + #._ if s>target then do; if .combUp(k-1) then return; iterate j; end end if s==target then call telly !.y= !.y + 1; if !.y==base then if .combUp(ym) then leave end .combUp: procedure expose !. y bbase; parse arg d; if d==0 then return 1 p= !.d; do u=d to y; !.u= p + 1 if !.u >= bbase+u then return .combUp(u-1) p= !.u end eSort: procedure expose #. @. $.; parse arg N,$; h= N do while h>1; h= h % 2 do i=1 for N-h; j= i; k= h + i if $==. then do while $.k<$.j; parse value $.j $.k with $.k $.j if h>=j then leave; j= j - h; k= k - h end else do while #.k<#.j; parse value @.j @.k #.j #.k with @.k @.j #.k #.j if h>=j then leave; j= j - h; k= k - h end end end s: if arg(1)==1 then return arg(3); return word(arg(2) 's', 1) tello: parse arg _,e; if e==. then say; say _; call lineout 'SUBSET.'y, _; return telly: ??= ?? + 1; nameL= do gi=1 for y; ggg= !.gi $.gi= @.ggg end call eSort y, . do gs=1 for y; nameL= nameL $.gs end call tello '['y" name"s(y)']' space(nameL) if ??<stopAt | stopAt==0 then return call tello 'Stopped after finding ' ?? " subset"s(??)'.', . exit tellz: do j=1 for N call tello right('['j']', 30) right(@.j, 11) right(#.j, 5) end call tello call tello 'There are ' N " entries in the (above)" arg(1) 'table.' call tello; return
#include <iostream> #include <vector> std::ostream& operator<<(std::ostream& out, const std::string& str) { return out << str.c_str(); } std::vector<std::pair<std::string, int>> items{ {"alliance", -624}, {"archbishop", -915}, {"balm", 397}, {"bonnet", 452}, {"brute", 870}, {"centipede", -658}, {"cobol", 362}, {"covariate", 590}, {"departure", 952}, {"deploy", 44}, {"diophantine", 645}, {"efferent", 54}, {"elysee", -326}, {"eradicate", 376}, {"escritoire", 856}, {"exorcism", -983}, {"fiat", 170}, {"filmy", -874}, {"flatworm", 503}, {"gestapo", 915}, {"infra", -847}, {"isis", -982}, {"lindholm", 999}, {"markham", 475}, {"mincemeat", -880}, {"moresby", 756}, {"mycenae", 183}, {"plugging", -266}, {"smokescreen", 423}, {"speakeasy", -745}, {"vein", 813}, }; std::vector<int> indices; int count = 0; const int LIMIT = 5; void subsum(int i, int weight) { if (i != 0 && weight == 0) { for (int j = 0; j < i; ++j) { auto item = items[indices[j]]; std::cout << (j ? " " : "") << item.first; } std::cout << '\n'; if (count < LIMIT) count++; else return; } int k = (i != 0) ? indices[i - 1] + 1 : 0; for (int j = k; j < items.size(); ++j) { indices[i] = j; subsum(i + 1, weight + items[j].second); if (count == LIMIT) return; } } int main() { indices.resize(items.size()); subsum(0, 0); return 0; }
Generate a C++ translation of this REXX snippet without changing its computational steps.
parse arg target stopAt chunkette . if target=='' | target=="," then target= 0 if stopAt=='' | stopAt=="," then stopAt= 1 y= 0 zz= 'archbishop -915 covariate 590 mycenae 183 brute 870 balm 397 fiat 170' , 'smokescreen 423 eradicate 376 efferent 54 bonnet 452 vein 813 ' , 'diophantine 645 departure 952 lindholm 999 moresby 756 isis -982 ' , 'mincemeat -880 alliance -624 flatworm 503 elysee -326 cobol 362 ' , 'centipede -658 exorcism -983 gestapo 915 filmy -874 deploy 44 ' , 'speakeasy -745 plugging -266 markham 475 infra -847 escritoire 856 ' @.= 0 do N=1 until zz='' parse var zz @.N #.N zz end call eSort N call tellZ 'sorted' chunkStart= 1 chunkEnd = N if chunkette\=='' then do chunkStart= chunkette chunkEnd = chunkette end call time 'Reset' ??= 0 do chunk=chunkStart to chunkEnd call tello center(' doing chunk:' chunk" ", 79, '─') call combN N, chunk _= ?? if _==0 then _= 'No' call tello _ 'solution's(??) "found so far." end if ??==0 then ??= 'no' call tello 'Found' ?? "subset"s(??) 'whose summed weight's(??) "=" target exit combN: procedure expose @. #. ?? stopAt target; parse arg x,y; !.= @.0 base= x + 1; bbase= base - y do n=1 for y; !.n=n end ym= y - 1 do j=1; _= !.1; s= #._ if s>target then leave do k=2 for ym; _= !.k; s= s + #._ if s>target then do; if .combUp(k-1) then return; iterate j; end end if s==target then call telly !.y= !.y + 1; if !.y==base then if .combUp(ym) then leave end .combUp: procedure expose !. y bbase; parse arg d; if d==0 then return 1 p= !.d; do u=d to y; !.u= p + 1 if !.u >= bbase+u then return .combUp(u-1) p= !.u end eSort: procedure expose #. @. $.; parse arg N,$; h= N do while h>1; h= h % 2 do i=1 for N-h; j= i; k= h + i if $==. then do while $.k<$.j; parse value $.j $.k with $.k $.j if h>=j then leave; j= j - h; k= k - h end else do while #.k<#.j; parse value @.j @.k #.j #.k with @.k @.j #.k #.j if h>=j then leave; j= j - h; k= k - h end end end s: if arg(1)==1 then return arg(3); return word(arg(2) 's', 1) tello: parse arg _,e; if e==. then say; say _; call lineout 'SUBSET.'y, _; return telly: ??= ?? + 1; nameL= do gi=1 for y; ggg= !.gi $.gi= @.ggg end call eSort y, . do gs=1 for y; nameL= nameL $.gs end call tello '['y" name"s(y)']' space(nameL) if ??<stopAt | stopAt==0 then return call tello 'Stopped after finding ' ?? " subset"s(??)'.', . exit tellz: do j=1 for N call tello right('['j']', 30) right(@.j, 11) right(#.j, 5) end call tello call tello 'There are ' N " entries in the (above)" arg(1) 'table.' call tello; return
#include <iostream> #include <vector> std::ostream& operator<<(std::ostream& out, const std::string& str) { return out << str.c_str(); } std::vector<std::pair<std::string, int>> items{ {"alliance", -624}, {"archbishop", -915}, {"balm", 397}, {"bonnet", 452}, {"brute", 870}, {"centipede", -658}, {"cobol", 362}, {"covariate", 590}, {"departure", 952}, {"deploy", 44}, {"diophantine", 645}, {"efferent", 54}, {"elysee", -326}, {"eradicate", 376}, {"escritoire", 856}, {"exorcism", -983}, {"fiat", 170}, {"filmy", -874}, {"flatworm", 503}, {"gestapo", 915}, {"infra", -847}, {"isis", -982}, {"lindholm", 999}, {"markham", 475}, {"mincemeat", -880}, {"moresby", 756}, {"mycenae", 183}, {"plugging", -266}, {"smokescreen", 423}, {"speakeasy", -745}, {"vein", 813}, }; std::vector<int> indices; int count = 0; const int LIMIT = 5; void subsum(int i, int weight) { if (i != 0 && weight == 0) { for (int j = 0; j < i; ++j) { auto item = items[indices[j]]; std::cout << (j ? " " : "") << item.first; } std::cout << '\n'; if (count < LIMIT) count++; else return; } int k = (i != 0) ? indices[i - 1] + 1 : 0; for (int j = k; j < items.size(); ++j) { indices[i] = j; subsum(i + 1, weight + items[j].second); if (count == LIMIT) return; } } int main() { indices.resize(items.size()); subsum(0, 0); return 0; }
Rewrite the snippet below in Java so it works the same as the original REXX code.
parse arg target stopAt chunkette . if target=='' | target=="," then target= 0 if stopAt=='' | stopAt=="," then stopAt= 1 y= 0 zz= 'archbishop -915 covariate 590 mycenae 183 brute 870 balm 397 fiat 170' , 'smokescreen 423 eradicate 376 efferent 54 bonnet 452 vein 813 ' , 'diophantine 645 departure 952 lindholm 999 moresby 756 isis -982 ' , 'mincemeat -880 alliance -624 flatworm 503 elysee -326 cobol 362 ' , 'centipede -658 exorcism -983 gestapo 915 filmy -874 deploy 44 ' , 'speakeasy -745 plugging -266 markham 475 infra -847 escritoire 856 ' @.= 0 do N=1 until zz='' parse var zz @.N #.N zz end call eSort N call tellZ 'sorted' chunkStart= 1 chunkEnd = N if chunkette\=='' then do chunkStart= chunkette chunkEnd = chunkette end call time 'Reset' ??= 0 do chunk=chunkStart to chunkEnd call tello center(' doing chunk:' chunk" ", 79, '─') call combN N, chunk _= ?? if _==0 then _= 'No' call tello _ 'solution's(??) "found so far." end if ??==0 then ??= 'no' call tello 'Found' ?? "subset"s(??) 'whose summed weight's(??) "=" target exit combN: procedure expose @. #. ?? stopAt target; parse arg x,y; !.= @.0 base= x + 1; bbase= base - y do n=1 for y; !.n=n end ym= y - 1 do j=1; _= !.1; s= #._ if s>target then leave do k=2 for ym; _= !.k; s= s + #._ if s>target then do; if .combUp(k-1) then return; iterate j; end end if s==target then call telly !.y= !.y + 1; if !.y==base then if .combUp(ym) then leave end .combUp: procedure expose !. y bbase; parse arg d; if d==0 then return 1 p= !.d; do u=d to y; !.u= p + 1 if !.u >= bbase+u then return .combUp(u-1) p= !.u end eSort: procedure expose #. @. $.; parse arg N,$; h= N do while h>1; h= h % 2 do i=1 for N-h; j= i; k= h + i if $==. then do while $.k<$.j; parse value $.j $.k with $.k $.j if h>=j then leave; j= j - h; k= k - h end else do while #.k<#.j; parse value @.j @.k #.j #.k with @.k @.j #.k #.j if h>=j then leave; j= j - h; k= k - h end end end s: if arg(1)==1 then return arg(3); return word(arg(2) 's', 1) tello: parse arg _,e; if e==. then say; say _; call lineout 'SUBSET.'y, _; return telly: ??= ?? + 1; nameL= do gi=1 for y; ggg= !.gi $.gi= @.ggg end call eSort y, . do gs=1 for y; nameL= nameL $.gs end call tello '['y" name"s(y)']' space(nameL) if ??<stopAt | stopAt==0 then return call tello 'Stopped after finding ' ?? " subset"s(??)'.', . exit tellz: do j=1 for N call tello right('['j']', 30) right(@.j, 11) right(#.j, 5) end call tello call tello 'There are ' N " entries in the (above)" arg(1) 'table.' call tello; return
public class SubsetSum { private static class Item { private String word; private int weight; public Item(String word, int weight) { this.word = word; this.weight = weight; } @Override public String toString() { return String.format("(%s, %d)", word, weight); } } private static Item[] items = new Item[]{ new Item("alliance", -624), new Item("archbishop", -915), new Item("balm", 397), new Item("bonnet", 452), new Item("brute", 870), new Item("centipede", -658), new Item("cobol", 362), new Item("covariate", 590), new Item("departure", 952), new Item("deploy", 44), new Item("diophantine", 645), new Item("efferent", 54), new Item("elysee", -326), new Item("eradicate", 376), new Item("escritoire", 856), new Item("exorcism", -983), new Item("fiat", 170), new Item("filmy", -874), new Item("flatworm", 503), new Item("gestapo", 915), new Item("infra", -847), new Item("isis", -982), new Item("lindholm", 999), new Item("markham", 475), new Item("mincemeat", -880), new Item("moresby", 756), new Item("mycenae", 183), new Item("plugging", -266), new Item("smokescreen", 423), new Item("speakeasy", -745), new Item("vein", 813), }; private static final int n = items.length; private static final int[] indices = new int[n]; private static int count = 0; private static final int LIMIT = 5; private static void zeroSum(int i, int w) { if (i != 0 && w == 0) { for (int j = 0; j < i; ++j) { System.out.printf("%s ", items[indices[j]]); } System.out.println("\n"); if (count < LIMIT) count++; else return; } int k = (i != 0) ? indices[i - 1] + 1 : 0; for (int j = k; j < n; ++j) { indices[i] = j; zeroSum(i + 1, w + items[j].weight); if (count == LIMIT) return; } } public static void main(String[] args) { System.out.printf("The weights of the following %d subsets add up to zero:\n\n", LIMIT); zeroSum(0, 0); } }
Port the following code from REXX to Java with equivalent syntax and logic.
parse arg target stopAt chunkette . if target=='' | target=="," then target= 0 if stopAt=='' | stopAt=="," then stopAt= 1 y= 0 zz= 'archbishop -915 covariate 590 mycenae 183 brute 870 balm 397 fiat 170' , 'smokescreen 423 eradicate 376 efferent 54 bonnet 452 vein 813 ' , 'diophantine 645 departure 952 lindholm 999 moresby 756 isis -982 ' , 'mincemeat -880 alliance -624 flatworm 503 elysee -326 cobol 362 ' , 'centipede -658 exorcism -983 gestapo 915 filmy -874 deploy 44 ' , 'speakeasy -745 plugging -266 markham 475 infra -847 escritoire 856 ' @.= 0 do N=1 until zz='' parse var zz @.N #.N zz end call eSort N call tellZ 'sorted' chunkStart= 1 chunkEnd = N if chunkette\=='' then do chunkStart= chunkette chunkEnd = chunkette end call time 'Reset' ??= 0 do chunk=chunkStart to chunkEnd call tello center(' doing chunk:' chunk" ", 79, '─') call combN N, chunk _= ?? if _==0 then _= 'No' call tello _ 'solution's(??) "found so far." end if ??==0 then ??= 'no' call tello 'Found' ?? "subset"s(??) 'whose summed weight's(??) "=" target exit combN: procedure expose @. #. ?? stopAt target; parse arg x,y; !.= @.0 base= x + 1; bbase= base - y do n=1 for y; !.n=n end ym= y - 1 do j=1; _= !.1; s= #._ if s>target then leave do k=2 for ym; _= !.k; s= s + #._ if s>target then do; if .combUp(k-1) then return; iterate j; end end if s==target then call telly !.y= !.y + 1; if !.y==base then if .combUp(ym) then leave end .combUp: procedure expose !. y bbase; parse arg d; if d==0 then return 1 p= !.d; do u=d to y; !.u= p + 1 if !.u >= bbase+u then return .combUp(u-1) p= !.u end eSort: procedure expose #. @. $.; parse arg N,$; h= N do while h>1; h= h % 2 do i=1 for N-h; j= i; k= h + i if $==. then do while $.k<$.j; parse value $.j $.k with $.k $.j if h>=j then leave; j= j - h; k= k - h end else do while #.k<#.j; parse value @.j @.k #.j #.k with @.k @.j #.k #.j if h>=j then leave; j= j - h; k= k - h end end end s: if arg(1)==1 then return arg(3); return word(arg(2) 's', 1) tello: parse arg _,e; if e==. then say; say _; call lineout 'SUBSET.'y, _; return telly: ??= ?? + 1; nameL= do gi=1 for y; ggg= !.gi $.gi= @.ggg end call eSort y, . do gs=1 for y; nameL= nameL $.gs end call tello '['y" name"s(y)']' space(nameL) if ??<stopAt | stopAt==0 then return call tello 'Stopped after finding ' ?? " subset"s(??)'.', . exit tellz: do j=1 for N call tello right('['j']', 30) right(@.j, 11) right(#.j, 5) end call tello call tello 'There are ' N " entries in the (above)" arg(1) 'table.' call tello; return
public class SubsetSum { private static class Item { private String word; private int weight; public Item(String word, int weight) { this.word = word; this.weight = weight; } @Override public String toString() { return String.format("(%s, %d)", word, weight); } } private static Item[] items = new Item[]{ new Item("alliance", -624), new Item("archbishop", -915), new Item("balm", 397), new Item("bonnet", 452), new Item("brute", 870), new Item("centipede", -658), new Item("cobol", 362), new Item("covariate", 590), new Item("departure", 952), new Item("deploy", 44), new Item("diophantine", 645), new Item("efferent", 54), new Item("elysee", -326), new Item("eradicate", 376), new Item("escritoire", 856), new Item("exorcism", -983), new Item("fiat", 170), new Item("filmy", -874), new Item("flatworm", 503), new Item("gestapo", 915), new Item("infra", -847), new Item("isis", -982), new Item("lindholm", 999), new Item("markham", 475), new Item("mincemeat", -880), new Item("moresby", 756), new Item("mycenae", 183), new Item("plugging", -266), new Item("smokescreen", 423), new Item("speakeasy", -745), new Item("vein", 813), }; private static final int n = items.length; private static final int[] indices = new int[n]; private static int count = 0; private static final int LIMIT = 5; private static void zeroSum(int i, int w) { if (i != 0 && w == 0) { for (int j = 0; j < i; ++j) { System.out.printf("%s ", items[indices[j]]); } System.out.println("\n"); if (count < LIMIT) count++; else return; } int k = (i != 0) ? indices[i - 1] + 1 : 0; for (int j = k; j < n; ++j) { indices[i] = j; zeroSum(i + 1, w + items[j].weight); if (count == LIMIT) return; } } public static void main(String[] args) { System.out.printf("The weights of the following %d subsets add up to zero:\n\n", LIMIT); zeroSum(0, 0); } }