제출 #754624

#제출 시각아이디문제언어결과실행 시간메모리
754624Niko_shmikoStove (JOI18_stove)C++17
100 / 100
49 ms1056 KiB
#include<bits/stdc++.h>
using namespace std;

int n, k, t, ans;

int main(){
    cin >> n >> k;
    int a[n], in[n-1];
    for(int i=0; i<n; i++){
        cin >> a[i];
    }
    ans=a[n-1]-a[0]+1;
    for(int i=0; i<n-1; i++){
        in[i]=a[i+1]-a[i]-1;
    }
    sort(in, in+n-1);
    for(int i=0; i<k-1; i++){
        ans-=in[n-2-i];
    }
    cout << ans;
}
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