제출 #591995

#제출 시각아이디문제언어결과실행 시간메모리
591995ozedStove (JOI18_stove)C++14
100 / 100
45 ms1084 KiB
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef vector<int> vi;
typedef pair<int,int> pi;



int main(){

int n,k,out=0;
cin>>n>>k;
vi v(n);
vi gap(n-1);
for(int i=0;i<n;i++){
    cin>>v[i];
}
for(int i=0;i<n-1;i++){
    gap[i]=v[i+1]-v[i]-1;
}
out=v[n-1]+1-v[0];
sort(gap.rbegin(),gap.rend());
for(int i=0;i<k-1;i++){
    out-=gap[i];
}
cout<<out;
return 0;
}
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