Submission #1089450

#	Time	Username	Problem	Language	Result	Execution time	Memory
1089450		andrewkong972	Stove (JOI18_stove)	C++14	100 / 100	33 ms	2004 KiB

stove

#include <bits/stdc++.h>
using namespace std;

int main() {
    int sum = 0, cur1, cur2, n,k; cin >> n >> k;
    vector<int> dif;
    
    for (int i=0; i<n; i++) {
         cin >> cur1;
         if (i !=0) dif.push_back(cur1 - cur2 - 1);
         cur2 = cur1;
    }
    
    sort(dif.begin(), dif.end());
    
    for (int i=0; i<n-k; i++) sum += dif[i];
    
    cout << sum + n;
    return 0;
}

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