Search is not available for this dataset
name stringlengths 2 112 | description stringlengths 29 13k | source int64 1 7 | difficulty int64 0 25 | solution stringlengths 7 983k | language stringclasses 4
values |
|---|---|---|---|---|---|
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | #include <bits/stdc++.h>
using namespace std;
const int Z = 1e4 + 10;
const long long mod = 998244353;
const int inf = 0x3f3f3f3f;
const long long inff = 0x3f3f3f3f3f3f3f3f;
int gcd(int a, int b) { return b ? gcd(b, a % b) : a; }
string s;
set<string> st;
string dp[Z][5];
int main() {
ios::sync_with_stdio(0);
cin.t... | CPP |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | #include <bits/stdc++.h>
using namespace std;
const int maxn = 10023;
int v[maxn][2], a[maxn << 1];
int i, j, k, n, m;
bool f[maxn][2];
char s[maxn];
int main() {
scanf("%s", s + 1);
n = strlen(s + 1);
if (n <= 6) {
puts("0");
return 0;
}
for (i = 1; i <= n; i++) s[i] -= 'a' - 1;
v[n - 1][0] = s[n -... | CPP |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | import java.io.OutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.List;
import java.util.StringTokenizer;
import java.io.IOException;
import java.io.BufferedReader;
import java.util.Collections;
import java.io.InputStreamReader;
import java.util.ArrayList;... | JAVA |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | #include <bits/stdc++.h>
using namespace std;
long long N;
char s[200005];
set<string> ans;
long long hashi[200005];
bool vis[200005][2];
bool memo[200005][2];
long long pot[200005];
long long val(long long l, long long r) {
long long tmp = hashi[r] - (hashi[l - 1] * pot[r - l + 1]);
tmp %= 1000000007;
tmp += 100... | CPP |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | #include <bits/stdc++.h>
using namespace std;
int main() {
string s;
cin >> s;
long long n = s.length();
s += "######";
long long dp2[n + 6];
long long dp3[n + 6];
memset(dp2, 0, sizeof(dp2));
memset(dp3, 0, sizeof(dp3));
if (n >= 2) dp2[n - 1] = 1;
if (n >= 3) dp2[n - 2] = 0;
if (n >= 4 && (s[n -... | CPP |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | s = input()
n = len(s)
dp2,dp3=[0 for i in range(n)],[0 for i in range(n)]
if(n<7): print(0)
else:
if n-2>4: dp2[n-2]=1
if n-3>4: dp3[n-3]=1;
#for(i=n-4;i>5;i--)
i=n-4
while i>=5:
#print("i=%d"% i)
dp2[i]=(dp3[i+2] | (dp2[i+2] & (s[i:i+2]!=s[i+2:i+4]) ) )
#if s[i:i+2]!=s[i+2:... | PYTHON3 |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | import java.io.OutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.InputMismatchException;
import java.io.IOException;
import java.util.Collections;
import java.util.ArrayList;
import java.io.InputStream;
/**
* Built using CHelper... | JAVA |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | #include <bits/stdc++.h>
using namespace std;
int main() {
cin.tie(0)->sync_with_stdio(0);
cin.exceptions(ios::badbit | ios::failbit);
string s;
cin >> s;
int n = (int)s.size();
vector<array<bool, 2>> dp(n + 1);
vector<string> res;
if (n >= 7) {
dp[n - 2][0] = true;
res.push_back(s.substr(n - 2,... | CPP |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | st=input()
n=len(st)
poss=[[False,False] for i in range(n)]
poss[n-2][0]=True
poss[n-3][1]=True
for i in range(n-4,-1,-1):
if poss[i+2][0] and st[i:i+2]!=st[i+2:i+4]:
poss[i][0]=True
if poss[i+2][1]:
poss[i][0]=True
if poss[i+3][1]and st[i:i+3]!=st[i+3:i+6]:
p... | PYTHON3 |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | #include <bits/stdc++.h>
using namespace std;
const long long MOD = 1000000007;
const long long alphabet = 256;
int dp[10001][2];
set<string> st;
vector<string> vt;
int main() {
string s;
cin >> s;
reverse(s.begin(), s.end());
int n = s.length();
string second;
for (int i = 0; i < n - 5; i++) second += s[i]... | CPP |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | import java.io.OutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.io.BufferedWriter;
import java.util.InputMismatchException;
import java.io.IOException;
import java.util.TreeSet;
import java.io.Writer;
import java.io.OutputStreamWr... | JAVA |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | #include <bits/stdc++.h>
using namespace std;
template <class T>
bool uin(T &a, T b) {
return a > b ? (a = b, true) : false;
}
template <class T>
bool uax(T &a, T b) {
return a < b ? (a = b, true) : false;
}
const int maxn = 11000;
char dp[maxn][maxn];
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);... | CPP |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | #include <bits/stdc++.h>
using namespace std;
char second[10005];
int n;
bool DP[10005][5];
bool v[10005][5];
bool can(int ind, int last) {
if (ind == n) return true;
bool &temp = DP[ind][last];
if (v[ind][last]) return temp;
v[ind][last] = true;
if (ind < n - 1) {
if (last != 2)
temp |= can(ind + 2... | CPP |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | import java.io.OutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.StringTokenizer;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.TreeSet;
import java.io.InputStream;
/**
* Built using CHelper plug-in
* Actual solution... | JAVA |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | import com.sun.org.apache.xml.internal.utils.StringComparable;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.util.*;
public class Main {
public static void main(String[] args) {
// Test.testing();
ConsoleIO io = new ConsoleIO();
new Ma... | JAVA |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.NoSuchElementException;
import java.util.HashSet;
import java.util.Arrays;
public class A {
public static void main(String[] args) {
FS r = new FS();
String s = r.next();
boolean[][] dp = new boolean[4][10010];
... | JAVA |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | s = input()
n = len(s)
dp2,dp3=[0 for i in range(n)],[0 for i in range(n)]
if(n<7): print(0)
else:
if n-2>4: dp2[n-2]=1
if n-3>4: dp3[n-3]=1;
i=n-4
while i>=5:
dp2[i]=(dp3[i+2] | (dp2[i+2] & (s[i:i+2]!=s[i+2:i+4]) ) )
dp3[i]=dp2[i+3] | (dp3[i+3] & (s[i:i+3]!=s[i+3:i+6]) )
i=i-1
... | PYTHON3 |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | s = input()
if len(s) <= 5:
print(0)
else:
words = set()
s = s[5:]
r = len(s)
if r == 4:
words.add(s[1:])
words.add(s[2:])
words.add(s[:2])
if r == 2:
words.add(s)
if r == 3:
words.add(s)
words.add(s[1:])
s = s[::-1]
if r > 4:
... | PYTHON3 |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 |
import java.util.Scanner;
import java.util.TreeSet;
public class ReberlandLinguistics
{
static String s;
static int n;
static boolean valid(int pos, int chars)
{
if(pos - chars < 0)return true;
for(int i = pos-chars+1; i <= pos; i++)
{
if(s.charAt(i) != s.charAt(i-chars))
return true;
}
ret... | JAVA |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | #include <bits/stdc++.h>
using namespace std;
string d;
set<string> s;
void solve(int i, string k);
set<pair<int, string> > check;
int main() {
cin >> d;
solve(d.length() - 1, "");
if (s.size() == 0)
cout << s.size() << endl;
else
cout << s.size() - 1 << endl;
for (set<string>::iterator it = s.begin()... | CPP |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.util.StringTokenizer;
import java.util.TreeS... | JAVA |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | #include <bits/stdc++.h>
using namespace std;
set<string> se;
set<string>::iterator it;
string s;
int len;
bool dp[10010][2];
int main() {
memset(dp, 0, sizeof(dp));
cin >> s;
len = s.length();
dp[len][0] = dp[len][1] = 1;
for (int i = len - 1; i >= 5; i--) {
if (dp[i + 2][0] && (s[i] != s[i + 2] || s[i +... | CPP |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | #include <bits/stdc++.h>
using namespace std;
set<string> P;
string S;
set<string> last_suffixes[10005];
int N;
map<string, bool> dp[10005];
bool solve(int i, string last) {
if (dp[i].count(last)) return dp[i][last];
bool& ans = dp[i][last];
if (i == N) return ans = true;
if (i == N - 1) return ans = false;
a... | CPP |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 |
import java.util.Scanner;
import java.util.TreeSet;
public class ReberlandLinguistics
{
static String s;
static int n;
static boolean valid(int pos, int chars)
{
if(pos - chars < 0)return true;
for(int i = pos-chars+1; i <= pos; i++)
{
if(s.charAt(i) != s.charAt(i-chars))
return true;
}
ret... | JAVA |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.Set;
import java.util.StringTokenizer;
import java.util.TreeSet;
public class Reberlandlinguistics {
public static void main(String[] args)
{
// TODO Auto-generated method stub
MyScannerdreberland sc=new MyScannerdreberland();
... | JAVA |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | import java.util.Comparator;
import java.util.TreeSet;
//
// written by xiongjx on 2021-07-21
//
public class Main {
void run() {
String str = in.next();
int len = str.length();
boolean[][] dp = new boolean[2][len + 1];
TreeSet<String> st = new TreeSet<String>(Comparator.naturalOr... | JAVA |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | #include <bits/stdc++.h>
std::string s;
std::string ss(int a, int b) {
std::string s1 = "";
for (int i = a; i <= b; i++) s1 += s[i];
return s1;
}
bool cs(int a, int b, int c, int d) {
std::string s1 = ss(a, b);
std::string s2 = ss(c, d);
return ss(a, b) != ss(c, d);
}
int main() {
std::ios::sync_with_stdi... | CPP |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | #include <bits/stdc++.h>
using namespace std;
using ll = long long;
string A;
ll n;
ll dp[10100][4];
set<string> st;
ll rec(ll ind, ll val) {
if (ind == n) {
return 1;
}
if (dp[ind][val] != -1) {
return dp[ind][val];
}
ll ans = 0;
if (val == 2) {
if (ind + 2 <= n) {
ans = max(ans, rec(ind ... | CPP |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | #include <bits/stdc++.h>
using namespace std;
const double pi = acos(-1.0);
const double eps = 1e-8;
string input;
bool done[10005][4];
bool memo[10005][4];
set<string> ans;
void process(int rootLast, int lastLen) {
if (done[rootLast][lastLen]) {
return;
}
done[rootLast][lastLen] = true;
assert(rootLast >= ... | CPP |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | #include <bits/stdc++.h>
using namespace std;
int main() {
ios::sync_with_stdio(false), cin.tie(0);
int t = 1, n, m, i, j, k, u, to;
while (t--) {
string s;
cin >> s;
n = s.length();
if (n <= 6) {
cout << 0;
return 0;
}
set<string> ans;
vector<bool> dp[2];
for (i = 0; i... | CPP |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | s = raw_input()[5:]
n = len(s)
good = [[None]*2 for i in xrange(n+1)]
goods = []
for i in xrange(n,-1,-1):
for sk in xrange(2):
k = sk+2
if i == n:
good[i][sk] = True
elif i+k > n:
good[i][sk] = False
elif i+k == n:
good[i][sk] = True
else... | PYTHON |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | #include <bits/stdc++.h>
using namespace std;
int main() {
long long n, m, i, j;
string s;
cin >> s;
n = s.size();
string cur;
if (s.size() <= 6) {
cout << 0;
return 0;
}
for (i = 5; i < s.size(); i++) {
cur += s[i];
}
if (cur.size() == 2) {
cout << 1 << endl << cur;
return 0;
... | CPP |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | def get_suffixes(string):
if len(string) < 7:
return []
suffix_string = string[5:][::-1]
result = set()
result.add(suffix_string[:2])
dp2 = [1, 0, 1] + [0] * (len(suffix_string) -2)
dp3 = [1] + [0] * len(suffix_string)
for n in xrange(3, len(suffix_string) + 1):
if dp3[n-... | PYTHON |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | #include <bits/stdc++.h>
using namespace std;
string str;
int N;
set<string> ss;
int main() {
ios_base::sync_with_stdio(0);
cin.tie(0);
cin >> str;
N = str.length();
vector<bool> flag(N + 4, false);
flag[N] = true;
for (int i = N - 2; i >= 5; --i) {
bool do2 = true, do3 = true;
if (i + 3 < N)
... | CPP |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | s = input()
possible = [[],[],[False]*10100, [False]*10100]
length = len(s)
possible[2][length-2] = True
possible[3][length-3] = True
for i in range(length-1, 5-1,-1):
if length - 4 >= i:
possible[2][i] = (possible[2][i+2] and s[i:i+2] != s[i+2:i+4]) or possible[3][i+2]
if length - 5 >= i:
po... | PYTHON3 |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | #include <bits/stdc++.h>
using namespace std;
set<string> ss;
const int maxn = 100005;
int dp[maxn][2];
char c[maxn];
vector<string> g;
int main() {
int i, j, n;
scanf("%s", c);
n = strlen(c);
for (int i = n; i >= 1; i--) c[i] = c[i - 1];
string s;
for (int i = n - 1; i > 5; i--) {
if (n - i + 1 >= 2) {... | CPP |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | #include <bits/stdc++.h>
using namespace std;
inline int read() {
int x = 0, f = 1;
char ch = getchar();
while (ch < '0' || ch > '9') {
if (ch == '-') f = -1;
ch = getchar();
}
while (ch >= '0' && ch <= '9') {
x = x * 10 + ch - '0';
ch = getchar();
}
return x * f;
}
int n, f[10000 + 5], F[... | CPP |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | def getPossibleSuffixes(s):
if len(s) == 5:
print(0)
return
possible_suffixes = s[5:len(s)]
suffixes = []
helper_hash = {}
suffix_starts = [0 for x in range(len(possible_suffixes))]
prev_2 = ["" for x in range(len(possible_suffixes))]
suffix_starts[-1] = 1
for i in range(... | PYTHON3 |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | #include <bits/stdc++.h>
using namespace std;
const int block_size = 320;
const long long mod = 1e9 + 7;
const long double eps = 1e-9;
const int inf = mod;
const double PI = atan(1) * 4;
template <typename T>
inline int sign(const T &a) {
if (a < 0) return -1;
if (a > 0) return 1;
return 0;
}
template <typename T... | CPP |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | #include <bits/stdc++.h>
using namespace std;
const int inf = 1000 * 1000 * 1000;
const long long inf64 = 1ll * inf * inf;
bool solve() {
string s;
cin >> s;
set<string> ans;
int n = (int)s.size();
vector<char> can2(n + 1);
vector<char> can3(n + 1);
can2[n] = 1;
can3[n] = 1;
for (int i = n - 2; i >= 5... | CPP |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | #include <bits/stdc++.h>
using namespace std;
template <typename T>
T nextInt() {
T x = 0, p = 1;
char ch;
do {
ch = getchar();
} while (ch <= ' ');
if (ch == '-') {
p = -1;
ch = getchar();
}
while (ch >= '0' && ch <= '9') {
x = x * 10 + (ch - '0');
ch = getchar();
}
return x * p;
... | CPP |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | #include <bits/stdc++.h>
using namespace std;
string str2[10010], str3[10010];
bool dp[10010];
set<string> S;
int main() {
string str;
cin >> str;
int len = str.size(), i, j, k;
str.push_back('*');
str.push_back('*');
str.push_back('*');
memset(dp, 0, sizeof(dp));
dp[len] = 1;
str2[len] = "";
str3[l... | CPP |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | #include <bits/stdc++.h>
using namespace std;
int n;
string s;
vector<vector<bool>> vis;
set<string> suffs;
void check(int i, int pl) {
if (vis[pl][i]) return;
vis[pl][i] = 1;
if (i - 1 > 4) {
string x = s.substr(i - 1, 2);
if (pl || x != s.substr(i + 1, 2)) {
suffs.insert(x);
check(i - 2, 0);... | CPP |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | import java.io.*;
import java.util.*;
public class main {public static void solucion(String strPalabra) {
List<String> ans = new ArrayList<>();
//System.out.println(strPalabra);
//2
String temp = "";
for (int i = strPalabra.length() - 1; (i) > 4; i = i - 2) {
if (i ... | JAVA |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | #include <bits/stdc++.h>
using namespace std;
const int MAXN = 1e5 + 10;
const int MOD = 1e9 + 7;
const int INF = 0x3f3f3f3f;
set<string> ans;
set<string>::iterator it;
string str;
bool dp[MAXN][2];
int main() {
while (cin >> str) {
ans.clear();
memset(dp, 0, sizeof(dp));
int len = str.size();
for (in... | CPP |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | #include <bits/stdc++.h>
using namespace std;
string s;
set<string> sfx;
bool vis[10004][3];
void dp(int i = (int)s.size(), int f = 0) {
if (vis[i][f]) return;
vis[i][f] = 1;
string t2;
if (f == 1 && i <= (int)s.size() - 2)
t2 = s.substr(i, 2);
else if (f == 2 && i <= (int)s.size() - 3)
t2 = s.substr(... | CPP |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | #include <bits/stdc++.h>
#pragma GCC optimize("O3")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx")
using namespace std;
int a, b, c, d, n, m, k;
char str[10002];
bool cool[10002][2];
inline bool good(int p1, int p2, int len) {
for (int _n((len)-1), i(0); i <= _n; i++) {
if (str[p1 + i] != str[p2 + ... | CPP |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | //
// Untitled 2.java
// Created by Alister Estrada Cueto on 9/25/18.
import java.util.Scanner;
import java.util.TreeSet;
public class ReberlandLinguistic {
Scanner sc = new Scanner(System.in);
String s;
int n;
boolean[][] v;
boolean[][] memo;
TreeSet<String> set;
void run() {
s = sc.next();
n = s.length(... | JAVA |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 |
import java.io.*;
import java.util.*;
public class A {
InputStream is;
int __t__ = 1;
int __f__ = 0;
int __FILE_DEBUG_FLAG__ = __f__;
String __DEBUG_FILE_NAME__ = "src/A3";
FastScanner in;
PrintWriter out;
public void solve() {
String s = in.next().substring(5);
int n = s.length();
TreeSet<String> re... | JAVA |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | #include <bits/stdc++.h>
using namespace std;
const int N = 1e4 + 5;
bool d2[N], d3[N];
int main() {
ios_base::sync_with_stdio(0);
string s;
cin >> s;
s = s.substr(5, s.length() - 5);
int n = s.length();
set<string> ans;
if (s.size() <= 1) {
cout << 0;
return 0;
}
if (s.size() == 2) {
cout... | CPP |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | import java.io.*;
import java.util.*;
public class reberlandlinguistics {
private static InputReader in;
private static PrintWriter out;
public static void main(String[] args) throws IOException {
in = new InputReader(System.in);
out = new PrintWriter(System.out, true);
char[] c = (in.next()+"****"... | JAVA |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.Set;
import java.util.StringTokenizer;
import java.util.TreeSet;
public class A {
stati... | JAVA |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | #include <bits/stdc++.h>
using namespace std;
template <typename Tk, typename Tv>
ostream& operator<<(ostream& os, const pair<Tk, Tv>& p) {
os << "{" << p.first << ',' << p.second << "}";
return os;
}
const int MAX = 100005;
const int MOD = 1000000000 + 7;
const int INF = 1000000000;
int main() {
ios::sync_with_s... | CPP |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | #include <bits/stdc++.h>
using namespace std;
const int MAXN = 1e4 + 4;
string s;
bool can_split[4][MAXN];
int main() {
ios_base::sync_with_stdio(0);
cin >> s;
int n = s.size();
s += "$$$";
can_split[2][n] = can_split[3][n] = 1;
for (int i = n - 1; i > 4; i--) {
for (int k = 2; k <= 3; k++) {
bool... | CPP |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | #include <bits/stdc++.h>
using namespace std;
string s;
set<string> myset;
bool F[10005][4] = {false};
int main() {
cin >> s;
int length = s.length();
if (length >= 7) {
F[length - 2][2] = true;
myset.insert(s.substr(length - 2, 2));
F[length - 2][3] = false;
if (length >= 8) {
F[length - 3]... | CPP |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | #include <bits/stdc++.h>
using namespace std;
inline int in() {
int32_t x;
scanf("%d", &x);
return x;
}
inline string get() {
char ch[100010];
scanf("%s", ch);
return ch;
}
const int MAX_LG = 21;
const long long maxn = 1e5 + 10;
const long long base = 29;
const long long mod = 1e9 + 7;
bool dp[maxn][2];
set... | CPP |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | s = str(raw_input())
ans = {}
n = len(s)
dp = [[0 for j in xrange(4)] for i in xrange(n)]
if n-2 > 4 :
dp[n-2][2] = 1
ans [s[n-2:]] = 1
if n-3 >4 :
dp[n-3][3] = 1
ans [s[n-3:]] = 1
for i in reversed(xrange(n)):
for j in xrange(2,4):
if dp[i][j] == 1:
rev = 5 - j
... | PYTHON |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | #include <bits/stdc++.h>
using namespace std;
int n;
char s[1 << 20];
int cr[1 << 20][2];
bool can_reach(int ps, int t) {
if (cr[ps][t] != -1) {
return cr[ps][t];
}
if (ps >= n) {
return (ps == n);
}
int st = ps - t - 2;
bool ok = false;
for (int ln = ps + 2; ln <= ps + 3; ++ln) {
bool same = ... | CPP |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | #include <bits/stdc++.h>
using namespace std;
const int INF = 0x3f3f3f3f;
struct Node {
int next[26];
bool f;
};
Node nd[23333];
char str[10010];
int ans, len;
bool dp[10010][2];
int tp;
bool same(int st, int ln) {
if (st + ln >= len) return true;
for (int i = 0; i < ln; ++i)
if (str[st + ln - i] != str[st ... | CPP |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | #include <bits/stdc++.h>
using namespace std;
template <typename T>
ostream& operator<<(ostream& s, vector<T>& v) {
s << '{';
for (int i = 0; i < int(v.size()); i++) s << (i ? "," : "") << v[i];
return s << '}';
}
template <typename S, typename T>
ostream& operator<<(ostream& s, pair<S, T> const& p) {
return s ... | CPP |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | #include <bits/stdc++.h>
using namespace std;
const int maxn = 1e+4 + 10;
string s;
set<string> ans;
set<string>::iterator it;
bool vis[maxn];
int main() {
cin >> s;
int len = s.length();
vis[len] = 1;
for (int i = s.length() - 1; i > 4; --i) {
if (vis[i + 2]) {
string t = s.substr(i, 2);
if (s.... | CPP |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | #include <bits/stdc++.h>
using namespace std;
map<string, int> Book;
int book[10005][5] = {0};
set<string> ans;
string a;
void dfs(int s, int l, string m);
int main() {
int i, l, j;
set<string>::iterator it;
cin >> a;
for (l = 2; l <= 3; l++) {
dfs(a.size() - 1, l, string());
}
l = ans.size();
cout <<... | CPP |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | #include <bits/stdc++.h>
using namespace std;
const int maxn = 5e4 + 100;
template <class T>
inline void read(T &s) {
s = 0;
T w = 1, ch = getchar();
while (!isdigit(ch)) {
if (ch == '-') w = -1;
ch = getchar();
}
while (isdigit(ch)) {
s = (s << 1) + (s << 3) + (ch ^ 48);
ch = getchar();
}
... | CPP |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | #include <bits/stdc++.h>
using namespace std;
string s;
int n;
const int MX = 10000 + 99;
set<string> S[MX];
set<string> ans;
int main() {
cin >> s;
n = s.size();
S[n].insert("-");
for (int i = n - 2; i >= 5; i--) {
for (int d = 2; i + d <= n && d <= 3; d++) {
string sub = s.substr(i, d);
bool o... | CPP |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | #include <bits/stdc++.h>
using namespace std;
const int N = 1e4 + 10;
set<string> ans;
string s;
bool vis[4][N];
void DFS(int x, string pre) {
if (vis[pre.size()][x]) return;
vis[pre.size()][x] = 1;
if (x - 1 > 4) {
string tmp = s.substr(x - 1, 2);
if (tmp != pre) {
ans.insert(tmp);
DFS(x - 2,... | CPP |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | #include <bits/stdc++.h>
using namespace std;
const int N = 10005;
bool dp[N][2];
char s[N];
set<string> ans;
inline bool ck(int x, int y) {
bool same = true;
for (int i = 0; x + i < y; ++i) {
same &= s[x + i] == s[y + i];
}
return !same;
}
int main() {
scanf("%s", s);
int n = strlen(s);
dp[n][0] = dp... | CPP |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | def main():
s = input()[5:]
n = len(s)
if n < 2:
print(0)
return
res2, res3 = set(), set()
dp2 = [False] * (n + 1)
dp3 = [False] * (n + 1)
dp2[-1] = dp3[-1] = True
for i in range(n, 1, -1):
if dp3[i] or dp2[i] and s[i - 2:i] != s[i:i + 2]:
res2.add(s[i... | PYTHON3 |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | #include <bits/stdc++.h>
using namespace std;
char s[10010];
int n;
int e[10010][2];
vector<string> ans;
bool vis[10010][2];
bool dp[10010][2];
bool dfs(int p, int pre) {
if (p > n) return false;
if (p == n) return dp[p][pre] = true;
if (vis[p][pre]) return dp[p][pre];
bool re = false;
if (e[p][0] != -1 && (p... | CPP |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | #include <bits/stdc++.h>
using namespace std;
const int maxn = 1e5 + 10;
char s[maxn];
int n, dp[maxn][2];
string temp;
set<string> se;
int main() {
scanf("%s", s + 1);
n = strlen(s + 1);
dp[n + 1][0] = dp[n + 1][1] = 1;
for (int ed = n; ed >= 5; ed--) {
for (int st = ed - 1; st >= ed - 2; st--) {
if ... | CPP |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | __author__ = 'Utena'
s=input()
n=len(s)
ans=set()
if n<=6:
print(0)
exit(0)
dp=[[False,False]for i in range(n+1)]
if n>7:
dp[3][1]=True
ans.add(s[-3:])
dp[2][0]=True
ans.add(s[-2:])
for i in range(4,n-4):
if s[(-i):(-i+2)]!=s[(-i+2):(-i+3)]+s[-i+3]and dp[i-2][0] or dp[i-2][1]:
dp[i][0]=True... | PYTHON3 |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | #include <bits/stdc++.h>
using namespace std;
const int maxn = 1e4 + 100;
char s[maxn];
int len;
int f[maxn];
map<string, int> mp;
vector<string> vec;
int calcu(int a, int b, int c, int d) {
for (int i = 0;; i++) {
int t1 = a + i;
if (t1 > b) {
break;
}
int t2 = c + i;
if (s[t1] != s[t2]) re... | CPP |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | #include <bits/stdc++.h>
using namespace std;
const int N = 2e4 + 5;
char s[N];
int dp[10][N];
int ans[N];
int len;
int dfs(int num, int idx) {
if (~dp[num][idx]) return dp[num][idx];
if (idx == len)
return 1;
else if (idx > len)
return 0;
int &ret = dp[num][idx];
ret = dfs(num ^ 1, idx + num);
bool... | CPP |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | from sys import *
setrecursionlimit(20000)
d = {}
inp = raw_input() + ' '
t = set()
def calc(l, ll):
if (l, ll) in t:
return
else:
t.add((l, ll))
if l > 6:
d[inp[l-2:l]] = 1
if inp[l-2:l] != inp[l:ll]: calc(l-2, l)
if l > 7:
d[inp[l-3:l]] = 1
if inp[l-3:l] != inp[l:ll]: calc(l-3, l)
calc(l... | PYTHON |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | def process(s):
ns = s[5:][::-1]
if len(ns) <= 1: return set()
if len(ns) == 2: return {ns[::-1]}
if len(ns) == 3: return {ns[::-1], ns[:-1][::-1]}
n = len(ns)
dp2 = [False]*(n+1)
dp2[1] = True
dp3 = [False]*(n+1)
dp3[2] = True
for i in range(3,5):
dp2[i] = dp3[i-2] or (d... | PYTHON |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | #include <bits/stdc++.h>
using namespace std;
string st;
int n;
bool dp[111111][2];
set<string> ttt;
bool is_samee(int l, int r, int len) {
for (int i = 0; i < len; i++) {
if (st[l + i] != st[r + i]) {
return false;
}
}
return true;
}
int kk = 0;
string sol[501111];
void add_sol(int l, int r) {
so... | CPP |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | import java.io.*;
import java.util.*;
public class test
{
static type1 one[];
static int k=0;
public static void main(String args[])
{
//System.out.println("Welcome");
inputs in=new inputs(System.in);
one=new type1[26];
//put("aa"); put("aa"); put("ccc"); pu... | JAVA |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | #include <bits/stdc++.h>
using namespace std;
template <class T>
bool cmax(T& a, T b) {
if (a < b) {
a = b;
return true;
}
return false;
}
template <class T>
bool cmin(T& a, T b) {
if (a > b) {
a = b;
return true;
}
return false;
}
const int N = 1e4 + 10;
int n;
char s[N];
int f[N][2];
int s... | CPP |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | #include <bits/stdc++.h>
using namespace std;
set<string> ans;
string s;
bool vis[10009][5];
void dfs(int i, int k) {
if (vis[i][k]) return;
vis[i][k] = 1;
if (i >= 6) {
ans.insert(s.substr(i - 1, 2));
}
if (i >= 7) {
ans.insert(s.substr(i - 2, 3));
}
if (i >= 6) {
if (k == 0 || s.substr(i + 1... | CPP |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | #include <bits/stdc++.h>
using namespace std;
string s;
map<string, bool> folosit;
int dp[10010][2];
bool generateSuffixes(int pos, string last) {
if (dp[pos][last.size() - 2] != -1) return dp[pos][last.size() - 2];
bool res = false;
if (pos + 2 < s.size() && s.substr(pos + 1, 2) != last) {
bool ok = generate... | CPP |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | #include <bits/stdc++.h>
using namespace std;
set<string> s;
const int maxn = 1E4 + 10;
int dp[maxn];
int main() {
string str;
cin >> str;
memset(dp, 0, sizeof(dp));
str = str.substr(5);
int n = str.length();
string tmp;
dp[n] = 1;
for (int i = n - 1; i >= 0; --i) {
for (int l = 2; l <= 3; ++l) {
... | CPP |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | /**
* Created by yume on 2016/5/25.
*/
import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.util.StringTokenizer;
import java.util.TreeSet;
public class Main {
public static void main(final String[] args... | JAVA |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | #include <bits/stdc++.h>
using namespace std;
const int maxn = 1e4 + 10, mod = 1e9 + 7;
const long long inf = 1e18;
bool dp[2][maxn];
set<string> st;
int main() {
ios_base::sync_with_stdio(false);
cin.tie(0);
string s;
cin >> s;
dp[0][int((s).size()) - 2] = dp[1][int((s).size()) - 3] = 1;
for (int i = int((... | CPP |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | import sys
sys.setrecursionlimit(15000)
s = input()
s = s[5:] + " "
res = set()
aux = set()
def getWords(x,y):
if (x,y) in aux:
return
aux.add((x,y))
if x > 1 and s[x:y] != s[x-2:x]:
res.add(s[x-2:x])
getWords(x-2,x)
if x > 2 and s[x:y] != s[x-3:x]:
res.add(s[x-3:x])
... | PYTHON3 |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | #include <bits/stdc++.h>
using namespace std;
const int MAXN = 10005;
int N;
string s;
int dp[MAXN][2];
void load() { cin >> s; }
string get(int lo, int len) { return s.substr(lo, min(len, N - lo)); }
void solve() {
N = s.size();
s += ' ';
vector<string> sol;
dp[N][0] = dp[N][1] = 1;
for (int i = N - 1; i >= ... | CPP |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | #include <bits/stdc++.h>
using namespace std;
const int N = 200000 + 7;
const int M = 32;
const long long base = 1e18;
const int mod = 999983;
const int inf = 1e9 + 7;
const double pi = acos(-1);
const int maxn = N * 2;
const double PI = acos(-1);
const double ep = 1e-9;
string s;
int n;
bool can[5][N];
set<string> st;... | CPP |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | #include <bits/stdc++.h>
using namespace std;
template <class T>
bool chmax(T &a, const T &b) {
if (a < b) {
a = b;
return 1;
}
return 0;
}
template <class T>
bool chmin(T &a, const T &b) {
if (a > b) {
a = b;
return 1;
}
return 0;
}
template <class T>
ostream &operator<<(ostream &os, const ... | CPP |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | #include <bits/stdc++.h>
using namespace std;
const int N = 10005;
bool dp[N][5][5];
bool vis[N][5][5];
string s;
int n;
set<string> ans;
bool calc(int ind, int current, int previous) {
if (ind == n) return true;
if (ind > n) return false;
if (vis[ind][current][previous]) return dp[ind][current][previous];
vis[... | CPP |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | #include <bits/stdc++.h>
using namespace std;
int main() {
string str;
cin >> str;
string tmp = str.substr(5, str.length());
str = tmp;
long long n = str.length();
long long dp[n + 1][2];
memset(dp, 0, sizeof dp);
for (long long i = n - 2; i >= 0; i--) {
if ((i + 2) > n)
continue;
else {
... | CPP |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | #include <bits/stdc++.h>
using namespace std;
string st;
int dp[10005][4];
int n;
set<string> st_set;
int rec(int pos, int len) {
if (pos == 4 || pos == 5) {
return 1;
}
if (pos < 4) return 0;
int &ret = dp[pos][len];
if (ret != -1) return ret;
ret = 0;
if (len == 0) {
if (pos >= 7) {
ret |=... | CPP |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | #include <bits/stdc++.h>
using namespace std;
const string nl = "\n";
using ll = int64_t;
using vi = vector<int>;
using vl = vector<ll>;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
using str = string;
using vpii = vector<pii>;
using vpll = vector<pll>;
template <class T>
inline bool ckmin(T& a, T b) {
retur... | CPP |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | import java.util.Scanner;
import java.util.TreeSet;
public class AlyonaAndStrings {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
String word = sc.next();
TreeSet<String> set = new TreeSet<>();
boolean[] dp = new boolean[word.length()];
int num = findWords(set, dp, word);
... | JAVA |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | #include <bits/stdc++.h>
using namespace std;
int main() {
string n;
cin >> n;
int len = n.size();
bool possible[len + 1][2];
possible[len][0] = 1;
possible[len][1] = 1;
possible[len - 1][0] = 0;
possible[len - 1][1] = 0;
possible[len - 2][0] = 1;
possible[len - 2][1] = 0;
possible[len - 3][0] = 0... | CPP |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | import java.io.*;
import java.util.*;
import java.util.stream.Stream;
public class Main implements Runnable {
static final int MOD = (int) 1e9 + 7;
static final int MI = (int) 1e9;
static final long ML = (long) 1e18;
static final Reader in = new Reader();
static final PrintWriter out = new PrintWri... | JAVA |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | #include <bits/stdc++.h>
using namespace std;
string s;
bool f[10001][2];
int n;
set<string> suff;
int main() {
cin >> s;
n = s.length();
if (n < 7) {
cout << 0;
return 0;
}
f[n - 2][0] = true;
if (n > 7) f[n - 3][1] = true;
for (int i = n - 4; i >= 5; i--) {
if (f[i + 2][1]) f[i][0] = true;
... | CPP |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | #include <bits/stdc++.h>
using namespace std;
set<string> ans;
const int MN = 1e5 + 100;
int dp[MN];
int main() {
string s;
cin >> s;
int n = s.size();
dp[n] = 3;
s.push_back('.');
s.push_back('.');
s.push_back('.');
s.push_back('.');
s.push_back('.');
s.push_back('.');
for (int i = n - 2; i >= 0;... | CPP |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | #include <bits/stdc++.h>
using namespace std;
string s;
set<string> ret;
bool dp[10004][5];
int main() {
cin >> s;
int n = s.size();
memset(dp, 0, sizeof(dp));
for (int i = n - 2; i >= 5; i--) {
if (i + 2 == n) {
dp[i][2] = true;
ret.emplace(s.substr(i, 2));
}
if (i + 3 == n) {
dp[... | CPP |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | s = input()
dp = [[0, 0] for i in range(10005)]
res = set()
i = len(s) - 1
while i >= 5:
if i + 2 == len(s):
dp[i][0] = 1
res.add(s[i:i+2])
i = i - 1
continue
if i + 3 == len(s):
dp[i][1] = 1
res.add(s[i:i+3])
i = i - 1
continue
if dp[i+2][1] or (dp[i+2][0] and s[i:i+2] != s[i+2:i+4]):
dp[i][0] = 1... | PYTHON3 |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | '''ACCEPTED'''
import sys
pow2 = pow # for modular expo pow2(base, n, mod)
from math import *
from time import time
from collections import defaultdict
from bisect import bisect_right, bisect_left
from string import ascii_lowercase as lcs
from string import ascii_uppercase as ucs
from fractions import Fra... | PYTHON |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | #include <bits/stdc++.h>
using namespace std;
long long md = 1000000007;
inline long long mulD(long long a, long long b) {
long long r = 0;
while (b > 0) {
if (b & 1) {
r = r + a % md;
r = r % md;
}
b /= 2;
a = 2 * a % md;
a = a % md;
}
return r % md;
;
}
inline long long exp(l... | CPP |
666_A. Reberland Linguistics | First-rate specialists graduate from Berland State Institute of Peace and Friendship. You are one of the most talented students in this university. The education is not easy because you need to have fundamental knowledge in different areas, which sometimes are not related to each other.
For example, you should know l... | 2 | 7 | #include <bits/stdc++.h>
using namespace std;
bool dp[10005][2];
string st;
set<string> ans;
int main() {
cin >> st;
if (st.size() <= 6) {
cout << 0 << endl;
return 0;
}
st = st.substr(5);
dp[st.size()][0] = dp[st.size()][1] = true;
for (int i = st.size() - 2; i >= 0; i--) {
if (dp[i + 2][1] ||
... | CPP |
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