제출 #1290468

#제출 시각아이디문제언어결과실행 시간메모리
1290468topraksennStove (JOI18_stove)C++20
0 / 100
1 ms572 KiB
#include <bits/stdc++.h>
#define int long long
using namespace std;
int32_t main(){
    int n,k;
    cin>>n>>k;
    vector<int>a(n);
    vector<int>b(n);
    for(int i=0;i<n;i++){
        cin>>a[i];
        if(i!=0){
            b[i-1]=a[i]-a[i-1]-1;
        }
    }
    if(n==k){
        cout<<n;
        return 0;
    }
    sort(b.begin(),b.end());
    int sonuc=a[n-1]-a[0]+1;
    for(int i=0;i<k-1;i++) sonuc-=b[n-2-i];
    cout<<sonuc;
    return 0;
}
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