제출 #1154721

#제출 시각아이디문제언어결과실행 시간메모리
1154721minggaGrowing Vegetables is Fun 4 (JOI21_ho_t1)C++20
0 / 100
0 ms328 KiB
#include <bits/stdc++.h>
using namespace std;

#define fi first
#define se second
#define pb push_back
#define all(x) (x).begin(), (x).end()
#define sz(x) (int)(x).size()
#define ln '\n'

const int N = 1e5 + 7;
const int inf = 2e18;
int n, a[N], rig[N], d[N];

signed main() {
    cin.tie(0) -> sync_with_stdio(0);
    cin >> n;
    for(int i = 1; i <= n; i++) {
        cin >> a[i];
    }
    int ans = inf;
    for(int i = 1; i <= n; i++) {
        d[i] = a[i] - a[i - 1];
//        cerr << d[i] << ' ';
    }
//    cerr << ln;
    for(int i = n; i > 0; i--) {
        rig[i] = rig[i + 1];
        if(d[i] >= 0) rig[i] += d[i] + 1;
    }
    int cur = 0;
    for(int i = 1; i <= n; i++) {
        if(d[i] <= 0) cur += 1 - d[i];
//        cerr << i << ' ' << cur << ' ' << rig[i + 1] << ln;
        ans = min(ans, max(cur, rig[i + 1]));
    }
    cout << ans << ln;
}

컴파일 시 표준 에러 (stderr) 메시지

Main.cpp:12:17: warning: overflow in conversion from 'double' to 'int' changes value from '2.0e+18' to '2147483647' [-Woverflow]
   12 | const int inf = 2e18;
      |                 ^~~~
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