Submission #1158609

#	Time	Username	Problem	Language	Result	Execution time	Memory
1158609		Hakuna	Stove (JOI18_stove)	C++20	100 / 100	11 ms	1476 KiB

stove

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

int main() {
    ios::sync_with_stdio(0);
    cin.tie(0);
    
    int n, k;
    cin >> n >> k;
    int a[n + 1];
    for (int i = 1; i <= n; i++) {
        cin >> a[i];
    }
    vector<int> v;
    for (int i = 2; i <= n; i++) {
        v.push_back(a[i] - a[i - 1] - 1);
    }
    sort(v.begin(), v.end());
    
    long long ans = n;
    for (int i = 0; i < n - k; i++) {
        ans += v[i];
    }
    cout << ans;

    return 0;
}

• Subtask 1: 20 / 20
• Subtask 2: 30 / 30
• Subtask 3: 50 / 50