제출 #1033626

#제출 시각아이디문제언어결과실행 시간메모리
1033626KhoaDuyStove (JOI18_stove)C++14
100 / 100
15 ms2268 KiB
#include <bits/stdc++.h>
using namespace std;
#define endl '\n'
#define int long long
signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    int n,k;
    cin >> n >> k;
    int t[n+1];
    int ans=0;
    for(int i=1;i<=n;i++){
        cin >> t[i];
    }
    ans=t[n]-t[1]+1;
    vector<int> curr;
    for(int i=1;i<n;i++){
        curr.push_back(t[i+1]-t[i]-1);
    }
    sort(curr.begin(),curr.end(),greater<int>());
    for(int i=0;i<k-1;i++){
        ans-=curr[i];
    }
    cout << ans;
}
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