Submission #984474

#TimeUsernameProblemLanguageResultExecution timeMemory
984474elitewantsyouGrowing Vegetables is Fun 4 (JOI21_ho_t1)C++14
40 / 100
1080 ms2992 KiB
#include <bits/stdc++.h>

using namespace std;

int main() {
    int n;
    cin >> n;
    vector<int> v(n);
    for (int i = 0; i < n; i++) {
        cin >> v[i];
    }
    long long res = 1e18;
    for (int i = 0; i < n; i++) {
        long long A = 0, B = 0;
        for (int j = 0; j < i; j++) {
            A += max(0, v[j] - v[j + 1] + 1);
        }
        for (int j = n - 1; j > i; j--) {
            B += max(0, v[j] - v[j - 1] + 1);
        }
        res = min(res, max(A, B));
    }
    cout << res << "\n";

    
    return 0;
}
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