제출 #1354963

#제출 시각아이디문제언어결과실행 시간메모리
1354963...2Stove (JOI18_stove)C++20
0 / 100
0 ms344 KiB
#include<bits/stdc++.h>
using namespace std;
vector<int> v;
int a[100005];
int main(){
    int n,k;cin>>n>>k;
    for(int i=0;i<n;i++)cin>>a[i];
    v.push_back(1);
    for(int i=1;i<n;i++){
        v.push_back(a[i]-(a[i-1]+1));
        v.push_back(1);
    }
    sort(v.begin(),v.end());
    long long ans=0;
    for(int i=0;i<n*2-k;i++)ans+=v[i];
    cout<<ans;
    return 0;
}

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