제출 #1120685

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1120685		InvMOD	Rabbit Carrot (LMIO19_triusis)	C++14	0 / 100	1 ms	512 KiB

triusis

#include<bits/stdc++.h>

using namespace std;

using ll = long long;

void solve()
{
    int n; ll w; cin >> n >> w;

    vector<ll> a(n+1);
    for(int i = 1; i <= n; i++){
        cin >> a[i];
    }

    vector<bool> modify(n+1, false);

    int answer = 0;
    for(int i = 1; i <= n; i++){
        if(a[i] > a[i-1] + w){
            if(i-1 > 0){
                if(modify[i-1]){
                    a[i] = a[i-1] + w;
                    modify[i] = true;
                }
                else{
                    modify[i-1] = true;
                }
            }
            else{
                a[i] = w;
                modify[i] = true;
            }
            answer = answer + 1;
        }
    }
    cout << answer <<"\n";
    return;
}

int32_t main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);

    #define name "InvMOD"
    if(fopen(name".INP", "r")){
        freopen(name".INP", "r", stdin);
        freopen(name".OUT", "w", stdout);
    }

    solve();
    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

triusis.cpp: In function 'int32_t main()':
triusis.cpp:47:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   47 |         freopen(name".INP", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
triusis.cpp:48:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   48 |         freopen(name".OUT", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

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• Subtask 3: 0 / 28
• Subtask 4: 0 / 37