| # | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
|---|---|---|---|---|---|---|---|
| 1263449 | piolk | Stove (JOI18_stove) | C++20 | 29 ms | 2340 KiB |
#include <bits/stdc++.h>
using namespace std;
using ll=long long;
int main(){
int n,k;
cin>>n>>k;
vector<ll> times(n);
for (int i=0;i<n;i++){
cin>>times[i];
}
ll base=times.back()-times.front()+1;
vector<ll> gaps;
for (int i=1;i<n;i++){
ll gap=times[i]-times[i-1]-1;
gaps.push_back(gap);
}
sort(gaps.begin(),gaps.end());
for (int i=n-2;i>=n-k;i--){
base-=gaps[i];
}
cout<<base;
return 0;
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