제출 #1033851

#제출 시각아이디문제언어결과실행 시간메모리
1033851vjudge1Stove (JOI18_stove)C++17
100 / 100
45 ms2140 KiB
#include<bits/stdc++.h>
using namespace std;
const int N = 1e5;
int n,k;
int t[N+5];
int a[N+5];
int main(){
    cin >> n >> k;
    cin >> t[0];
    for(int i = 1; i < n; i++){
        cin >> t[i];
        a[i] = t[i]-t[i-1];
    }
    sort(a+1,a+n);
    long long tong = 0;
    for(int i = 1; i <= n - k; i++){
       // cout << a[i] << " ";
        tong += a[i];
    }
  //  cout << endl;
    tong += k;
    cout << tong;
}
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