제출 #391589

#제출 시각아이디문제언어결과실행 시간메모리
391589l3nl3Growing Vegetables is Fun 4 (JOI21_ho_t1)C++14
0 / 100
1 ms204 KiB
#include <bits/stdc++.h> using namespace std; const int mxsz = 2e5 + 10; const int inf = 1e9 + 7; int n, a[mxsz], p[mxsz], s[mxsz], mn=inf; int main () { cin >> n; for (int i = 1; i <= n; i++) { cin >> a[i]; // cout << a[i] - a[i-1] << ' '; p[i] = p[i-1] + max(0, 1 - (a[i] - a[i-1])); } // cout << '\n'; a[n+1] = a[n]; for (int i = n; i >= 1; i--) { // cout << a[i+1] - a[i] << ' '; s[i] = s[i+1] + max(0, (a[i+1] - a[i]) + 1); } for (int i = 1; i <= n; i++) { mn = min(mn, max(p[i], s[i])); } cout << mn; }
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