Submission #528255

#TimeUTC-0UsernameProblemLanguageResultExecution timeMemory
5282552022-02-19 18:26:46OlympiaFancy Fence (CEOI20_fancyfence)C++17
0 / 100
6 ms348 KiB
#include <cmath>
#include <cassert>
#include <iostream>
#include <set>
#include <climits>
#include <algorithm>
#include <vector>
#include <iomanip>
#include <type_traits>
#include <string>
#include <queue>
#include <map>
#include <stack>
#pragma GCC target ("avx2")
#pragma GCC optimization ("O3")
#pragma GCC optimization ("unroll-loops")
#pragma GCC optimization ("Ofast")
using namespace std;
const int MOD = 1e9 + 7;
int64_t mult (int64_t x, int64_t y) {
return (x * y) % MOD;
}
int64_t c2 (int64_t x) {
return (x * (x + 1)/2) % MOD;
}
int main() {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
int N;
 
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Compilation message (stderr)

fancyfence.cpp:16: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
   16 | #pragma GCC optimization ("O3")
      | 
fancyfence.cpp:17: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
   17 | #pragma GCC optimization ("unroll-loops")
      | 
fancyfence.cpp:18: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas]
   18 | #pragma GCC optimization ("Ofast")
      |
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