Submission #731340

#	Time	Username	Problem	Language	Result	Execution time	Memory
731340		peteza	Stove (JOI18_stove)	C++14	100 / 100	57 ms	1796 KiB

stove

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

int n, k, x, y, sum = 0;
priority_queue<int, vector<int>, greater<int>> pq;

int main() {
    cin >> n >> k;
    sum = n;
    cin >> x;
    for(int i=1;i<n;i++) {
        cin >> y;
        pq.push(y-x-1);
        x = y;
    }
    while(n > k) {
        n--;
        sum += pq.top();
        pq.pop();
    }
    cout << sum;
}

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