Submission #1180271

#	Time	Username	Problem	Language	Result	Execution time	Memory
1180271		nekolie	Growing Vegetables is Fun 4 (JOI21_ho_t1)	C++20	100 / 100	19 ms	5132 KiB

Main

#include <bits/stdc++.h>
using namespace std;

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    int n; cin >> n;
    long long a[n], suma[n][2], odp = 1000000000000000000;
    for (int i = 0; i < n; i++)
        cin >> a[i];
    suma[0][0] = suma[n-1][1] = 0;
    for (int i = 1; i < n; i++)
        suma[i][0] = suma[i-1][0] + ((a[i-1] >= a[i]) ? a[i-1]-a[i]+1 : 0);
    for (int i = n-2; i >= 0; i--)
        suma[i][1] = suma[i+1][1] + ((a[i] <= a[i+1]) ? a[i+1]-a[i]+1 : 0);
    for (int i = 0; i < n; i++)
        odp = min(odp,max(suma[i][0],suma[i][1]));
    cout << odp << endl;
    return 0;
}

• Subtask 1: 40 / 40
• Subtask 2: 60 / 60