Submission #926666

#	Time	Username	Problem	Language	Result	Execution time	Memory
926666		VMaksimoski008	Growing Vegetables is Fun 4 (JOI21_ho_t1)	C++14	100 / 100	65 ms	4440 KiB

Main

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

int main() {
    int n, i;
    cin >> n;
    
    vector<int> v(n);
    vector<ll> pref(n), suf(n);
    for(i=0; i<n; i++) cin >> v[i];
    for(i=1; i<n; i++) pref[i] = max(0, v[i-1]-v[i]+1) + pref[i-1];
    for(i=n-2; i>=0; i--) suf[i] = max(0, v[i+1]-v[i]+1) + suf[i+1];

    ll ans = 1e18;
    for(i=0; i<n; i++) ans = min(ans, max(pref[i], suf[i]));
    cout << ans << '\n';
}

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