제출 #1055748

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1055748		manhlinh1501	Autići (COCI22_autici)	C++17	10 / 50	6 ms	1628 KiB

Main

#include <bits/stdc++.h>
using namespace std;
using i64 = long long;
const int MAXN = 1e5 + 5;

int N;
int a[MAXN];
i64 ans = 0;

signed main() {
#define TASK "code"

    if (fopen(TASK ".inp", "r")) {
        freopen(TASK ".inp", "r", stdin);
        freopen(TASK ".out", "w", stdout);
    }

    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);

    cin >> N;
    for(int i = 1; i <= N; i++) cin >> a[i];
    for(int i = 1; i < N; i++) ans += (a[i] + a[i + 1]);
    cout << ans;

    return (0 ^ 0);
}

컴파일 시 표준 에러 (stderr) 메시지

Main.cpp: In function 'int main()':
Main.cpp:14:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   14 |         freopen(TASK ".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:15:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   15 |         freopen(TASK ".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20