제출 #617281

#제출 시각아이디문제언어결과실행 시간메모리
617281HanksburgerGrowing Vegetables is Fun 4 (JOI21_ho_t1)C++17
0 / 100
1 ms340 KiB
#include <bits/stdc++.h> using namespace std; int a[200005], l[200005], r[200005]; int main() { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); int n, ans=2e9; cin >> n; for (int i=1; i<=n; i++) cin >> a[i]; for (int i=2; i<=n; i++) l[i]=l[i-1]+max(0, a[i-1]-a[i]+1); for (int i=n-1; i>=1; i--) r[i]=r[i+1]+max(0, a[i+1]-a[i]+1); for (int i=1; i<=n; i++) ans=min(ans, l[i]+r[i]); cout << ans; return 0; }
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