Submission #1264087

#	Time	Username	Problem	Language	Result	Execution time	Memory
1264087		nathlol2	Stove (JOI18_stove)	C++20	100 / 100	12 ms	1476 KiB

stove

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

signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);

    int n, k;
    cin >> n >> k;
    int a[n];
    for(int i = 0;i<n;i++){
        cin >> a[i];
    }
    vector<int> gap;
    for(int i = 0;i<n - 1;i++){
        gap.push_back(a[i + 1] - a[i] - 1);
    }
    int ans = a[n - 1] - a[0] + 1;
    sort(gap.begin(), gap.end(), greater<int>());
    for(int i = 0;i<k - 1;i++){
        ans -= gap[i];
    }
    cout << ans;
}

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