Submission #50841

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
50841	2018-06-13 16:29:12	Nicksechko	Chessboard (IZhO18_chessboard)	C++14	100 / 100	1221 ms	908 KiB

chessboard

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#ifndef LOCAL
#pragma GCC optimize "-O3"
#endif
#include <bits/stdc++.h>
typedef long long ll;
typedef long long llong;
typedef long double ld;
typedef unsigned long long ull;
using namespace std;
/*
ll pw(ll a, ll b) {
  ll ans = 1; while (b) {
    while (!(b & 1)) b >>= 1, a = (a * a) % MOD;
    ans = (ans * a) % MOD, --b;
  } return ans;
}
*/
pair<ll, ll> operator+(pair<ll, ll> a, pair<ll, ll> b) {
  return make_pair(a.first + b.first, a.second + b.second);
}
pair<ll, ll> operator-(pair<ll, ll> a, pair<ll, ll> b) {
  return make_pair(a.first - b.first, a.second - b.second);
}
 
 
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Compilation message (stderr)

chessboard.cpp: In function 'int main()':
chessboard.cpp:57:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (int it = 0; it < dv.size(); ++it) {
                    ~~~^~~~~~~~~~~
chessboard.cpp:65:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < dv.size(); ++i) {
                  ~~^~~~~~~~~~~

• Subtask 1: 8 / 8
• Subtask 2: 8 / 8
• Subtask 3: 15 / 15
• Subtask 4: 16 / 16
• Subtask 5: 23 / 23
• Subtask 6: 30 / 30