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Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
#include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n; vector<bool> arr(n); int cnt = 0; int tmp; for (int i = int(0); i <= int(n - 1); i++) { cin >> tmp; arr[i] = (tmp == 1) ? true : false; cnt += tmp; } if (cnt == n) { cout << "YES\n"; return 0; } bool foun...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
#include <bits/stdc++.h> using namespace std; const int MAX = 100005; int main() { bool find, map[MAX]; int step; int a[MAX], n; while (cin >> n) { find = 0; for (int i = 0; i < n; i++) cin >> a[i]; for (int i = 3; i <= n; i++) { if (n % i == 0 && !find) { step = n / i; memset(...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
n = int(input()) lis = list(input().split()) for i in range(len(lis)): lis[i]=int(lis[i]) m = [] m1 = [] flag = "NO" for i in range(1, int(n**.5)+1): if n % i == 0: m.append(i) if n//i != i: m.append(n//i) p = 0 for i in m: if i<n/2: for j in range(i): ...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.*; public class Main { static int n; static int[] a; public static void main(String[] args) { Scanner scanner = new Scanner(); n=scanner.nextInt(); a=new int[n]; for(int i=...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
import java.io.*; import java.util.*; import java.math.*; /** * Built using CHelper plug-in * Actual solution is at the top */ public class RoundTableKnights { public static void main(String[] args) { InputStream inputStream = System.in; OutputStream outputStream = System.out; InputReade...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
#include <bits/stdc++.h> using namespace std; const int N = 100500; bool F[N]; int n; bool check(int q) { if (n / q <= 2) return false; for (int i = 0; i < q; i++) { int t; for (t = i; t < n; t += q) if (!F[t]) break; if (t >= n) return true; } return false; } int main(int argc, char **argv) {...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
import java.util.*; import java.io.*; import java.text.*; public class C71 { public static void main(String[] args) throws IOException { Scanner sc = new Scanner(System.in); PrintWriter pw = new PrintWriter(System.out); int n = sc.nextInt(); sieve(n); boolean[] arr = new boolean[n]; for (int i = 0; i < a...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
#include <bits/stdc++.h> using namespace std; int main() { int n, i, a[100005], x, flag = 0, m, j; scanf("%d", &n); for (i = 0; i < n; i++) scanf("%d", &a[i]); for (i = 1; i <= n / 3; i++) { if (n % i) continue; for (j = 0; j < i; j++) { x = j; m = 1; while (x < n + i) { int y ...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
import math def fact(x): ans=[] for i in range(1,int(math.sqrt(x))+1): if(x%i==0): if(i==x//i): ans.append(i) else: ans.append(i) ans.append(x//i) return ans; a=int(input()) z=list(map(int,input().split())) ans=[] from collectio...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
n = input() status = map(int, raw_input().split()) frt = False ors = lambda x, y: x or y ands = lambda x, y: x and y b = False for l in range(1, n/3+1): if n%l!=0: continue for i in range(l): b = True for j in range(i, n, l): if status[j] == 0: b = False; break ...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
#include <bits/stdc++.h> using namespace std; bool isPrime(long long n) { for (long long i = 2; i * i <= n; i++) { if (n % i == 0) return false; } return true; } int32_t main() { ios_base::sync_with_stdio(false); cin.tie(NULL); long long n; cin >> n; long long arr[n]; for (long long i = 0; i < n; ...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
#include <bits/stdc++.h> using namespace std; int main() { ios::sync_with_stdio(0); cin.tie(0); int n; cin >> n; int a[n]; for (int i = 0; i < n; i++) cin >> a[i]; for (int i = 3; i <= n; i++) { if (n % i == 0) { for (int k = 0; k < n / i; k++) { int sum = 0; for (int j = k; j < ...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
import java.io.*; import java.util.*; public class scratch_25 { static class Reader { static BufferedReader reader; static StringTokenizer tokenizer; /** * call this method to initialize reader for InputStream */ static void init(InputStream input) { ...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
import java.util.*; import java.io.*; public class RoundTableKnights { // https://codeforces.com/contest/71/problem/C public static void main(String[] args) throws IOException, FileNotFoundException { BufferedReader in = new BufferedReader(new InputStreamReader(System.in)); //BufferedReader in = new Buffered...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
def f(n): n += 1 t = [1] * n for i in range(3, int(n ** 0.5) + 1, 2): u, v = i * i, 2 * i if t[i]: t[u :: v] = [0] * ((n - u - 1) // v + 1) return [4] + [i for i in range(3, n, 2) if t[i]] n, t = int(raw_input()), map(int, raw_input().split()) q = [n // i for i in f(n) if n % ...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
import java.util.*; import java.io.*; public class C65C{ static BufferedReader br; public static void main(String args[])throws Exception{ br=new BufferedReader(new InputStreamReader(System.in)); int n=toInt(); int nm[]=toIntArray(); for(int i=1;i<=n;i++){ int count=0...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
#include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n; int start; int ara[n]; vector<int> x; x.push_back(1); vector<int> sta; for (int i = 2; 2 * i < n; i++) { if (n % i == 0) x.push_back(i); } bool t = true; for (int i = 0; i < n; i++) { cin >> ara[i]; if (ara[i] ...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
#include <bits/stdc++.h> using namespace std; bool isprime[100008]; void sieve(int n) { long long int i, j; for (i = 3; i <= n; i += 2) isprime[i] = true; for (i = 3; i <= n; i += 2) { if (isprime[i]) { for (j = i * i; j <= n; j += i) { if (isprime[j]) isprime[j] = false; } } } isp...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
//package sheet_C; import java.io.*; import java.util.*; public class RoundTableKnights { public static void main(String[]args)throws Throwable{ PrintWriter pw=new PrintWriter(System.out,true); MyScanner sc=new MyScanner(); int n=sc.nextInt(); int []a=new int[n]; for(int i=0;i<n;i++) a[i]=sc.nextInt(); ...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
#include <bits/stdc++.h> using namespace std; int n, flag, dp[100001]; int main() { cin >> n; for (long long i = 1; i < n + 1; i++) cin >> dp[i]; for (long long i = 3; i < n + 1; i++) { if (n % i == 0) { for (long long j = 1; j < n / i + 1; j++) { flag = 0; for (int k = j; k < n + 1; k +...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
import static java.util.Arrays.*; import static java.lang.Math.*; import static java.math.BigInteger.*; import java.util.*; import java.math.*; import java.io.*; public class C implements Runnable { String file = "input"; boolean TEST = false; void solve() throws IOException { int n =...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
import sys,os,io input = io.BytesIO(os.read(0, os.fstat(0).st_size)).readline from math import sqrt def divisors(n): ans = [] for i in range (1,int(sqrt(n)+1)): if not n%i: ans.append(i) if n//i != i: ans.append(n//i) return ans n = int(input()) a = [int(i) ...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
#include <bits/stdc++.h> using namespace std; using ll = long long; using llu = unsigned long long; using ld = long double; vector<int> dx = {-1, 1, 0, 0}; vector<int> dy = {0, 0, 1, -1}; const double PI = acos(-1.0), g = 9.80665; const ll unseen = -1, done = -1e17; const ll inf = 1e18 + 505, ninf = -1e18 - 505; const ...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
import static java.lang.Math.*; import static java.lang.System.currentTimeMillis; import static java.lang.System.exit; import static java.lang.System.arraycopy; import static java.util.Arrays.sort; import static java.util.Arrays.binarySearch; import static java.util.Arrays.fill; import java.util.*; import java.io.*; p...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
import java.awt.Point; import java.awt.geom.Line2D; import java.awt.geom.Point2D; import java.io.*; import java.math.BigInteger; import static java.math.BigInteger.*; import java.util.*; public class C{ void solve()throws Exception { int n=nextInt(); boolean[]a=new boolean[n]; //String s=nextToken(); f...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
#include <bits/stdc++.h> using namespace std; bool check(long long int x, long long int arr[], long long int n) { if (n / x <= 2 && n % x != 0) return false; for (long long int i = 0; i < x; i++) { bool f = true; for (long long int j = i; j < n; j += x) { if (arr[j] != 1) { f = false; ...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
#include <bits/stdc++.h> using namespace std; long long Set(long long N, long long pos) { return N = N | (1 << pos); } long long reset(long long N, long long pos) { return N = N & ~(1 << pos); } bool check(long long N, long long pos) { return (bool)(N & (1 << pos)); } void CI(long long &_x) { scanf("%d", &_x); } void C...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
import java.io.*; import java.math.*; import java.util.*; import java.awt.geom.*; import static java.lang.Math.*; public class Solution implements Runnable{ BufferedReader in; PrintWriter out; StringTokenizer st; private String next() throws ...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.StringTokenizer; public class P_71C { static final FS sc = new FS(); static final PrintWriter pw = new PrintWriter(System.out); public static void main(String[] args) { int n = sc.nextInt(...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
#include <bits/stdc++.h> using namespace std; int a[1000000 + 20]; vector<int> v; int main() { int n, d, ans; cin >> n; for (int i = 0; i < n; i++) { cin >> a[i]; } for (int i = 1; i <= n; i++) { if (n % i == 0) { v.push_back(i); } } sort(v.begin(), v.end()); for (int i = 0; i < v.size...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
import java.io.*; import java.math.*; import java.util.*; public class Solution{ public static void main (String[] args) throws java.lang.Exception { Scan sn=new Scan(); Print pr=new Print(); int n = sn.scanInt(); int arr[] = new int[n]; for (int i = 0; i < n; i++) { ...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
import java.util.*; import java.io.*; public final class Main { public static void main (String[] args) { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int[] a = new int[n]; for(int i = 0; i<n; i++) a[i] = sc.nextInt(); for(int i = 1; i<=n; i++) { ...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
import java.io.*; import java.util.*; public class Main { boolean check(int[] as, int x) { int s = as.length / x; for(int i = 0; i < s; ++i) { boolean ok = true; for(int j = i; j < as.length; j += s) if(as[j] == 0) ok = false; ...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
import java.util.*; import java.lang.*; import java.io.*; public class Codechef { static PrintWriter out=new PrintWriter(System.out);static FastScanner in = new FastScanner(System.in);static class FastScanner {BufferedReader br;StringTokenizer stok;FastScanner(InputStream is) {br = new BufferedReader(new InputStr...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
import java.io.*; import java.math.*; import java.util.*; import static java.lang.Math.*; public class C65 { static InputStreamReader inp = new InputStreamReader(System.in); static BufferedReader in = new BufferedReader(inp); static boolean test = false; public String str() throws IOException { return in.rea...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
#include <bits/stdc++.h> using namespace std; int n, i, a[100003], j, k; int main() { scanf("%d", &n); for (i = 0; i < n; i++) scanf("%d", &a[i]); for (i = 1; i <= n / 3; i++) if (n % i == 0) { for (j = 0; j < i; j++) { int z = 1; for (k = j; k < n; k += i) z &= a[k]; if (z) retu...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
from sys import exit n = int(input()) knights = list(map(int, input().split())) for divisor in range(1, n+1): if n % divisor == 0 and divisor < n/2: vertexes = n // divisor for i in range(divisor): count = 0 for j in range(i, n, divisor): if knights[j] == ...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
import java.io.OutputStreamWriter; import java.io.BufferedWriter; import java.io.OutputStream; import java.io.PrintWriter; import java.io.Writer; import java.util.List; import java.io.IOException; import java.util.Arrays; import java.util.InputMismatchException; import java.util.ArrayList; import java.util.NoSuchElemen...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
#include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n; int start; int ara[n]; vector<int> x; x.push_back(1); vector<int> sta; for (int i = 2; 2 * i < n; i++) { if (n % i == 0) x.push_back(i); } bool t = true; for (int i = 0; i < n; i++) { cin >> ara[i]; if (ara[i] ...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
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.io.Writer; import java.io.OutputStreamWriter; import java.util.InputMismatchException; import java.io.IOException; import java.util.Arr...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
import re, math n = raw_input() knights = [int(k) for k in raw_input().rsplit(' ')] numbers = [] bad = [] n = len(knights) result = "" for i in range(3,n+1): if n % i == 0 and n-len(bad) >= i: numbers.append(i) for i in range(n): if knights[i] == 0: bad.append(i) for k in numbers: if result == "YES": bre...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
//package codeforces; import java.io.*; import java.util.Comparator; import java.util.Objects; import java.util.StringTokenizer; import java.util.function.BiFunction; import java.util.function.Function; public class RoundTableKnights { static BiFunction<Integer, Integer, Integer> ADD = (x, y) -> (x + y); st...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
#include <bits/stdc++.h> using namespace std; vector<int> v; vector<pair<int, int>> ans; int main() { int n, k; cin >> n; int v[n]; for (int i = 0; i < n; i++) cin >> v[i]; for (k = 1; k <= n / 3; k++) { if (n % k == 0) { for (int p = 0; p < k; p++) { int sum = 0; for (int i = p; i <...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
from sys import stdin, stdout raw_input = stdin.readline n=int(raw_input()) l=map(int,raw_input().split()) f=0 for i in xrange(1,(n/3)+1): if n%i: continue for j in xrange(i): f1=0 for k in xrange(j,n,i): if not l[k]: f1=1 if not f1: f=1 ...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
#include <bits/stdc++.h> using namespace std; const int N = 1e5 + 5; const double pi = acos(-1); const int mod = 1e9 + 9; int main() { int n; vector<int> v; scanf("%d", &n); int a[N]; for (int i = 1; i <= n; i++) { if (n % i == 0) v.push_back(i); } int idx = -1; for (int i = 0; i < n; i++) { sca...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
#include <bits/stdc++.h> using namespace std; void fun() { long long i, j, n, k, ans = 0, x; cin >> n; long long a[n]; for (i = 0; i < n; i++) cin >> a[i]; for (i = 3; i <= n; i++) { if (n % i != 0) continue; x = n / i; for (j = 3; j < i; j++) { if (i % j == 0) break; } if (i != j) c...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
def criba(n): factor=[1 for i in range(n)] for i in range(2,n): if factor[i]==1: for j in range(i,n,i): factor[j]=i return factor n=int(raw_input()) A=[int(x) for x in raw_input().split()] factor=criba(n+1) m=n while(m>1): f=factor[m] if f==2: if n%4==0: f=4 else: break for i in range(n/f): ...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
#include <bits/stdc++.h> using namespace std; const long long MOD = 1e9 + 7; const long long N = 3e5 + 5; vector<int> adj[N], adj1[N]; bool visited[N]; int height[N], val[N], grid[55][55]; void solve() { int n; cin >> n; vector<int> v; int a[n], strt = -1; for (int i = 0; i < n; i++) { cin >> a[i]; if...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
#include <bits/stdc++.h> using namespace std; int n; int a[1000001]; int d[1000001]; void nhap() { scanf("%d", &n); for (int i = 1; i <= n; i++) { scanf("%d", &a[i]); } } void xuly() { for (int i = 1; i <= n / 3; i++) { if (n % i != 0) continue; for (int j = 1; j <= i; j++) { bool ok = true; ...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; public class Main { public static boolean fortunate(int[] v) { int n = v.length, iter = 0; for (int i = 0; i < n / 3; i++) if (v[i] == 1) for (int j = n/3; j >= 1; j--) { iter = i; do iter = (iter ...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
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; public class Main { ...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
#include <bits/stdc++.h> #pragma optimization_level 3 #pragma GCC optimize("Ofast,no-stack-protector,unroll-loops,fast-math,O3") #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx") using namespace std; const long long INF = 0x7f7f7f7f7f7f7f7f; const long long NINF = -INF; const long long MAXN = 1e+6 + 8; ...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
# Author : raj1307 - Raj Singh # Date : 30.04.2020 from __future__ import division, print_function import os,sys from io import BytesIO, IOBase if sys.version_info[0] < 3: from __builtin__ import xrange as range from future_builtins import ascii, filter, hex, map, oct, zip def ii(): return int(input()) ...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
import java.util.Scanner; import java.io.*; public class p71c { public static void main(String[] args) throws Exception{ p71cc in = new p71cc(System.in); int n = in.nextLong(); int[] all = new int[n]; for (int i = 0; i < all.length; i++) { all[i] = in.nextLong(); ...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
def divisors(n): i = 2 res = set() tmp = n while i * i <= n: while tmp % i == 0: tmp //= i res.add(i) i += 1 if tmp != 1: res.add(tmp) if n % 4 == 0: res.add(4) res.discard(2) return res def main(): n = int(input()) k...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
#include <bits/stdc++.h> using namespace std; long long const M = 1000000007; double const pi = acos(-1); long long const inf = 2e18; long long const N = 200001; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); long long i, j, t, n, k; cin >> n; vector<long long> a(n); bool ok...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.io.FilterInputStream; import java.io.BufferedInputStream; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.File; import java.util.ArrayList; import java.io.Inp...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
from sys import stdin from sys import exit from math import sqrt #parser def parser(): return map(int, stdin.readline().split()) def IsPrime(t): if t==1 or t==2: return False if t==4: return True for i in range(2,int(sqrt(t))+1): if t%i==0: return False return T...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
// practice with rainboy import java.io.*; import java.util.*; public class CF71C extends PrintWriter { CF71C() { super(System.out, true); } Scanner sc = new Scanner(System.in); public static void main(String[] $) { CF71C o = new CF71C(); o.main(); o.flush(); } int[] aa; int n; boolean check(int m) { for (...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
#include <bits/stdc++.h> using namespace std; int main() { int n, N; cin >> n; N = n; vector<int> a(n, 0), prs; for (int& x : a) cin >> x; if (n % 4 == 0) prs.push_back(4); for (int i = 2; i * i <= n; ++i) { if (n % i == 0 && i != 2) prs.push_back(i); while (n % i == 0) { n /= i; } } ...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
#include <bits/stdc++.h> using namespace std; int arr[100001]; int main() { int n; cin >> n; for (int i = 0; i < n; i++) { cin >> arr[i]; } int flag = 0; int cnt; for (int i = 0; i < n; i++) { while (arr[i] != 1) i++; for (int d = 1; d <= n / 3; d++) { if (n % d != 0) continue; cnt...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
#Code by Sounak, IIESTS #------------------------------warmup---------------------------- import os import sys import math from io import BytesIO, IOBase from fractions import Fraction from collections import defaultdict BUFSIZE = 8192 class FastIO(IOBase): newlines = 0 def __init__(self, file): ...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
#include <bits/stdc++.h> using namespace std; std::vector<long long int> v; long long int solve(long long int n) { for (long long int i = 3; i <= n; i++) { if (n % i != 0) continue; long long int x = n / i; long long int flag; for (long long int k = 0; k < x; k++) { flag = 1; for (long lon...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
import sys def divisors(n): divisors_ = [] for i in range(1, n / 3 + 1): if n % i == 0: divisors_.append(i) return divisors_ def is_lucky(n, knights): for i in divisors(n): for j in range(i): lucky = True while j < len(knights): if knights[j] == 1: j += i else: lucky =...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.*; public class Solution { public static void main(String[] args) { FastScanner sc = new FastScanner(); int t=1; while(t-->0){ int...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
#include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n; int a[n + 1]; for (int i = 1; i <= n; i++) cin >> a[i]; for (int i = 1; i <= n / 3; i++) { if (n % i == 0) { for (int j = 1; j <= i; j++) { int z = 1; for (int k = j; k < n; k += i) { if (a[k] == 0)...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
import java.util.*; import java.io.*; public class RoundTableKnights { public static void main(String[] args) { Scanner in = new Scanner(System.in); int n = in.nextInt(); boolean[] knights = new boolean[n]; for(int x = 0; x < n; x++) { if(in.nextInt() == 1) { knights[x] = true; } } ...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
#include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n; vector<int> a(n); for (int i = 0; i < n; i++) cin >> a[i]; bool flag = false; vector<int> b; for (int p = 3; p < n + 1; p++) { if (n % p == 0) { b.resize(n / p); for (int i = 0; i < n / p; i++) { b[i] = 0; ...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
import javafx.util.Pair; import java.io.BufferedReader; import java.io.File; import java.io.FileInputStream; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.PrintStream; import java.io.PrintWriter; import java.lang.reflect.Array; import java.util.ArrayList; impo...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
#include <bits/stdc++.h> using namespace std; int main(void) { ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); long long n; cin >> n; vector<long long> a(n + 1), factor; for (long long i = 1; i <= n; i++) cin >> a[i]; factor.push_back(1); for (long long i = 2; i <= sqrt(n); i++) { if (n...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
import sys n = int(sys.stdin.readline()) v = [int(i) for i in sys.stdin.readline().strip().split()] ok = False for i in range(3, n+1): if n%i == 0: for j in range(n/i): ok = True for k in range(0, n, n/i): if v[(j+k)%n] == 0: ok = False ...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.Arrays; import java.util.Locale; import java.util.StringTokenizer; public class Main { void solve() throws IOException { int n = nextInt(); boolean[] x = new boolean[n * 2]; ...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
import java.io.*; import java.util.StringTokenizer; public class Q71C implements Runnable{ private void solve() throws IOException { int n = nextInt() ; boolean[] state = new boolean[n]; for(int i=0;i<n;i++){ state[i] = (nextInt()==1); } for(int i = 1;i<=(n/3);i...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
import java.util.ArrayList; import java.util.Scanner; public class RoundTableKnight { public static void main(String...Args){ Scanner sc = new Scanner(System.in); int n = sc.nextInt(); Boolean flag = true; ArrayList<Boolean> table = new ArrayList<Boolean>(); for (int i =0;i<...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
import java.io.*; import java.util.*; public class RoundTableKnights { public static void main(String[] args) throws IOException { BufferedReader f = new BufferedReader(new InputStreamReader(System.in)); int n = Integer.parseInt(f.readLine()); boolean[] a = new boolean[n]; StringTok...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
R = lambda: map(int, input().split()) n = int(input()) arr = list(R()) * 2 visited = [0] * (n + 1) for ne in range(3, n + 1): if n % ne == 0 and not visited[ne]: g = n // ne if any(all(arr[i:i + g * (ne - 1) + 1:g]) for i in range(g)): print('YES') exit(0) i = ne ...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
#include <bits/stdc++.h> using namespace std; int main() { int n, dummy, count = 0; cin >> n; vector<int> v, arr; for (int i = 0; i < n; i++) { cin >> dummy; if (dummy == 1) count++; arr.push_back(dummy); } if (count == n) { cout << "YES"; return 0; } v.push_back(1); for (int i = 2...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
#include <bits/stdc++.h> #pragma warning(disable : 4996) using namespace std; int main() { int n; cin >> n; vector<int> a(n); for (int i = 0; i < int((a).size()); i++) cin >> a[i]; for (int i = 3; i <= n; ++i) if (n % i == 0) for (int t = 0; t < n; ++t) { bool tf = true; for (int j =...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
#include <bits/stdc++.h> using namespace std; using namespace std::chrono; bool compare(const long long &a, const long long &b) { return a > b; } long long binpow(long long a, long long b) { if (b == 0) return 1; if (b == 1) return a; if (b % 2 == 0) return binpow(a, b / 2) * binpow(a, b / 2); return a * binpow...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
amount = int(input()) r = input().split() r = [int(i) for i in r] result = False for i in range(3, amount+1): if amount % i != 0: continue for j in range(int(amount/i)): tmp = 0 for k in range(i): if r[j+k*int(amount/i)] == 1: tmp += 1 else: ...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
/** * Created by IntelliJ IDEA. * User: aircube * Date: 31.03.11 * Time: 23:46 * To change this template use File | Settings | File Templates. */ import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.StringTokenizer; public clas...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
import javafx.util.Pair; import java.io.*; import java.math.*; import java.util.*; @SuppressWarnings("Duplicates") // author @mdazmat9 public class Main{ static Scanner sc = new Scanner(System.in); static PrintWriter out = new PrintWriter(System.out); public static void main(String[] args) throws IOExcept...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
import java.io.*; import java.util.*; import static java.lang.Math.*; public class BetaRound65_C implements Runnable { final boolean ONLINE_JUDGE = System.getProperty("ONLINE_JUDGE") != null; BufferedReader in; PrintWriter out; StringTokenizer tok = new StringTokenizer(""); void init() throws IOException { i...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
#include <bits/stdc++.h> using namespace std; const int MAXN = 200015; const int MOD = 1000000007; int a[MAXN]; bool F(int len, int num) { bool flag; int pres; for (int i = 0; i <= num - 1; i++) { flag = true; pres = i; for (int j = 0; j <= len - 1; j++) { if (a[pres] == 0) flag = false; p...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
#include <bits/stdc++.h> using namespace std; const double PI = acos(-1.0); const double EPS = 1e-11; void fast() { std::ios_base::sync_with_stdio(0); } int n; vector<int> arr; void check(int x) { if (n / x < 3) return; for (int i = 0; i < x; i++) { bool ok = true; for (int j = i; j < n; j += x) ok &= arr[j...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
n=int(input()) lst=[*map(int,input().split())] from sys import exit for i in range(3,n+1): if n%i==0: k=n//i for j in range(k): res='YES' for x in range(j,n,k): if lst[x]==0:res='NO';break if res=='YES':print(res);exit() print('NO')
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
import math; n = input(); a = list(map(int,raw_input().split())); td = set(); for i in range(2,int(math.sqrt(n))+10): if n%i == 0: td.add(i); td.add(n//i); td.add(n); divisior = sorted(list(td)); while len(divisior)>0 and divisior[0]<3: divisior.pop(0); for p in divisior: d = n//p; for i in range(0,d): ok = T...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.ArrayList; import java.util.StringTokenizer; public class RoundTableKnights { static boolean isPrime(int n) { for(int i=2;i<n;i++) { if(n%i==0) { return false; } } return true; } public s...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
#include <bits/stdc++.h> using namespace std; bool is_prime(int n) { if (n < 2) return false; if (n < 4) return true; if (n % 2 == 0 || n % 3 == 0) return false; if (n < 25) return true; for (int i = 5; i * i <= n; i += 6) if (n % i == 0 || n % (i + 2) == 0) return false; return true; } int main() { i...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
/*Author: Satyajeet Singh, Delhi Technological University*/ import java.io.*; import java.util.*; import java.text.*; import java.lang.*; public class Main { /*********************************************Constants******************************************/ static PrintWriter out=new PrintWriter(new OutputStreamWr...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
#include <bits/stdc++.h> using namespace std; vector<long long> a; long long N; bool is_Polygon(long long M) { for (int i = 0; i < M; ++i) { long long st = i; bool flag = 0; while (st < N) { if (a[st] == 0) { flag = 1; break; } st += M; } if (flag == 0) { re...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
#include <bits/stdc++.h> using namespace std; int n, i, j, k; int a[100005]; int p[1005], enp; int tmp1; bool chk; int main() { scanf("%d", &n); for (i = 0; i < n; i++) { scanf("%d", &a[i]); } tmp1 = n; i = 2; enp = 0; while (i * i <= tmp1) { if (tmp1 % i == 0) { p[enp] = i; enp++; ...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
#include <bits/stdc++.h> using namespace std; const int maxn = 100 * 1000 + 100; int n; bool p[maxn]; vector<int> m; void div(int tmp); bool chk(int st, int r); int main() { ios ::sync_with_stdio(false); cin.tie(0); cin >> n; for (int i = 0; i < n; i++) cin >> p[i]; div(n); for (int i = 0; i < m.size(); i++...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.math.BigInteger; import java.util.*; public class Solution { private final static FastReader in = new FastReader(); private static final PrintWriter out = new PrintWriter(System...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
import math n=int(input()) a=[int(i) for i in input().split()] isDone=False for i in range(3,n+1): if n%i==0: k=n//i for z in range(0,k): isDone=True s=z while s<n: if a[s]==0: isDone=False break ...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
#include <bits/stdc++.h> using namespace std; void err(istream_iterator<string> it) {} template <typename T, typename... Args> void err(istream_iterator<string> it, T a, Args... args) { cout << "[" << *it << ": " << a << "]\t"; err(++it, args...); } const long long nax = 1e5 + 5; long long a[nax]; long long n; bool...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
#include <bits/stdc++.h> using namespace std; long long x, y, z; deque<long long> q, p; int main() { ios::sync_with_stdio(0), cin.tie(0), cout.tie(0); ; scanf("%lld", &x); for (int i = 0; i < x; i++) { scanf("%lld", &y); q.push_back(y); } for (int i = 1; i <= sqrt(x); i++) { if (x % i == 0) { ...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
import java.io.*; import static java.lang.Math.*; import java.lang.reflect.Array; import java.util.*; import java.util.function.*; import java.lang.*; public class Main { final static boolean debug = false; final static String fileName = ""; final static boolean useFiles = false; public static void m...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
#include <bits/stdc++.h> using namespace std; const int mod = 1e9 + 7; int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); int n; cin >> n; int a[n]; for (int i = 0; i < n; i++) cin >> a[i]; int c; string ans = "NO"; for (int v = n; v >= 3; v--) { if ((n - v) % v == 0) ...
Problem: There are n knights sitting at the Round Table at an equal distance from each other. Each of them is either in a good or in a bad mood. Merlin, the wizard predicted to King Arthur that the next month will turn out to be particularly fortunate if the regular polygon can be found. On all vertices of the polygon...
def solve(): m = n = int(raw_input()) a = [int(x) for x in raw_input().strip().split()] for p in xrange(3, n+1): if (n % p == 0): step = n / p else: continue for st in xrange(step): i = st while (i < n and a[i]): i += st...