제출 #698822

#제출 시각UTC-0아이디문제언어결과실행 시간메모리
6988222023-02-14 10:24:51US3RN4M3Growing Vegetables is Fun 4 (JOI21_ho_t1)C++17
0 / 100
1 ms212 KiB
#include<bits/stdc++.h>
using namespace std;
using ll = long long;
const int mx = 200005;
int A[mx];
ll pref_cost[mx];
ll suff_cost[mx];
int n;
main() {
cin >> n;
for(int i = 1; i <= n; i++) cin >> A[i];
for(int i = 1; i <= n; i++) pref_cost[i] = pref_cost[i - 1] + max(0, 1 + A[i - 1] - A[i]);
for(int i = n; i >= 1; i--) suff_cost[i] = suff_cost[i + 1] + max(0, 1 + A[i + 1] - A[i]);
ll ans = 1e18;
for(int i = 0; i <= n; i++) {
ans = min(ans, max(pref_cost[i], suff_cost[i + 1]));
}
cout << ans << endl;
}
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컴파일 시 표준 에러 (stderr) 메시지

Main.cpp:9:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    9 | main() {
      | ^~~~
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