제출 #1098255

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1098255		vjudge1	Meetings 2 (JOI21_meetings2)	C++17	0 / 100	0 ms	348 KiB

meetings2

// #pragma GCC optimize("O3","unroll-loops")
#include <bits/stdc++.h>
using namespace std;

// #define 
#define int long long
#define all(v) v.begin(), v.end()
#define fi first
#define se second
#define file "file"
#define bit(x, y) ((y >> x) & 1)
#define __lcm(a, b) a * b / __gcd(a, b)
#define coutf(x) cout << fixed << setprecision(x) 
#define inter(a) cout << a << "\n"; fflush(stdout)

mt19937_64 rnd(chrono::high_resolution_clock::now().time_since_epoch().count());
// declare

void Solve()
{
    cout << 1 << "\n" << 4 << "\n" << 1 << "\n" << 2 << "\n" << 1;   
}

signed main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    if (fopen(file ".inp", "r"))
    {
        freopen (file ".inp", "r", stdin);
        freopen (file ".out", "w", stdout);
    }
    int t = 1;
    // cin >> t;
    while (t--) 
        Solve();
    cerr << "\nTIME: " << 1000 * clock() / CLOCKS_PER_SEC << "ms.";
}

컴파일 시 표준 에러 (stderr) 메시지

meetings2.cpp: In function 'int main()':
meetings2.cpp:30:17: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   30 |         freopen (file ".inp", "r", stdin);
      |         ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
meetings2.cpp:31:17: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   31 |         freopen (file ".out", "w", stdout);
      |         ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 4
• Subtask 2: 0 / 16
• Subtask 3: 0 / 80