Submission #338398

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
338398	2020-12-23 05:16:28	boykut	Chessboard (IZhO18_chessboard)	C++14	16 / 100	34 ms	3180 KiB

chessboard

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#include <bits/stdc++.h>
using namespace std;
#define int long long
int isprime(int n) {
   if (n == 2) return false;
   for (int i = 2; i < n; i++) {
      if (n % i == 0) return false;
   }
   return true;
}
signed main() {
   ios::sync_with_stdio(0);
   cin.tie(0);
   int n, k;
   cin >> n >> k;
   if (k == 0) {
      int ans = -1;
      for (int i = 2; i <= n; i++) {
         if (n % i == 0) {
            int m = n / i;
            
            int res = ((n * n) / (m * m)) / 2 * (m * m);
            
            if (ans == -1 || ans > res)
               ans = res;
         }
 
 
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