Submission #593074

#	Time	Username	Problem	Language	Result	Execution time	Memory
593074		piOOE	Growing Vegetables is Fun 4 (JOI21_ho_t1)	C++17	0 / 100	1 ms	324 KiB

Main

#include <bits/stdc++.h>

using namespace std;

using ll = long long;

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    int n;
    cin >> n;
    vector<int> a(n), b(n - 1);
    for (int i = 0; i < n; ++i) {
        cin >> a[i];
    }
    for (int i = 0; i < n - 1; ++i) {
        b[i] = a[i + 1] - a[i];
    }
    ll sum = 0;
    for (int i = 0; i < n - 1; ++i) {
        sum += max(0, b[i] + 1);
    }
    ll ans = sum;
    for (int i = 0; i < n - 1; ++i) {
        sum -= max(0, b[i] + 1);
        sum += max(0, -b[i] + 1);
        ans = min(ans, sum);
    }
    cout << ans;
    return 0;
}

• Subtask 1: 0 / 40
• Subtask 2: 0 / 60