제출 #1081286

#제출 시각아이디문제언어결과실행 시간메모리
1081286DeathIsAweGrowing Vegetables is Fun 4 (JOI21_ho_t1)C++17
100 / 100
71 ms7000 KiB
#include <bits/stdc++.h>
using namespace std;
#define int long long
int leftside[200001], rightside[200001];


int32_t main() {
    int n; cin >> n;
    vector<int> arr(n);
    for (int i=0;i<n;i++) {
        cin >> arr[i];
    }
    

    leftside[0] = 0;
    for (int i=1;i<n;i++) {
        leftside[i] = leftside[i-1] + max(arr[i-1] - arr[i] + 1, (int)0);
    }
    rightside[n-1] = 0;
    for (int i=n-2;i>-1;i--) {
        rightside[i] = rightside[i+1] + max(arr[i+1] - arr[i] + 1, (int)0);
    }


    int ans = INT_MAX, curans;
    ans = min(leftside[n-1], rightside[0]);
    for (int i=1;i<n-1;i++) {
        ans = min(ans, max(leftside[i], rightside[i]));
    }
    cout << ans;
}

컴파일 시 표준 에러 (stderr) 메시지

Main.cpp: In function 'int32_t main()':
Main.cpp:25:24: warning: unused variable 'curans' [-Wunused-variable]
   25 |     int ans = INT_MAX, curans;
      |                        ^~~~~~
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