Submission #1033851

#	Time	Username	Problem	Language	Result	Execution time	Memory
1033851		vjudge1	Stove (JOI18_stove)	C++17	100 / 100	45 ms	2140 KiB

stove

#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;
}

• Subtask 1: 20 / 20
• Subtask 2: 30 / 30
• Subtask 3: 50 / 50