Submission #1049853

#	Time	Username	Problem	Language	Result	Execution time	Memory
1049853		vjudge1	Stove (JOI18_stove)	C++17	100 / 100	25 ms	3160 KiB

stove

#include <bits/stdc++.h>
#define f first
#define s second
using namespace std;
int main() {
    int n, k;
    cin >> n >> k;
    long long mas[n], df[n-1], sm=0;
    for(int i=0; i<n; i++){
        cin >> mas[i];
        if(i>0){
            df[i-1]=mas[i]-mas[i-1]-1;
        }
    }
    sort(df, df+n-1);
    for(int i=0; i<n-k; i++){
        sm+=df[i];
    }
    cout <<sm+n;
    return 0;
}

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