# | TimeUTC-0 | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
528255 | Olympia | Fancy Fence (CEOI20_fancyfence) | C++17 | 6 ms | 348 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#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;
Compilation message (stderr)
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