제출 #1228755

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1228755		khoingu	Rabbit Carrot (LMIO19_triusis)	C++20	0 / 100	1 ms	328 KiB

triusis

#include <bits/stdc++.h>
#define ll long long
#define fi(i,a,b) for(int i = a; i <= b; i ++)
using namespace std;
const ll maxN = 2e5 + 5;

int n, m, a[maxN];

signed main() {
    if (fopen("task.inp", "r")) {
        freopen("task.inp", "r", stdin);
        freopen("task.out", "w", stdout);
    }
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cin >> n >> m;
    for(int i = 1; i <= n; i ++) cin >> a[i];
    int cnt = 0;
    for(int i = 1; i + 1 <= n; i ++) {
        if (i == 1) {
            if (a[i] > m) {
                a[i] = m;
                cnt ++;
            }
        }
        else if (a[i + 1] > a[i] + m) {
            a[i + 1] = a[i] + m;
            cnt ++;
        }
    }
    cout << cnt;
}

컴파일 시 표준 에러 (stderr) 메시지

triusis.cpp: In function 'int main()':
triusis.cpp:11:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 |         freopen("task.inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
triusis.cpp:12:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 |         freopen("task.out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 14
• Subtask 2: 0 / 21
• Subtask 3: 0 / 28
• Subtask 4: 0 / 37