Submission #1228014

#	Time	Username	Problem	Language	Result	Execution time	Memory
1228014		diana	Stove (JOI18_stove)	C++20	100 / 100	15 ms	1476 KiB

stove

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

int main()
{
    ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);

    int n, k; cin >> n >> k;
    int a[n];
    for(int i=0; i<n; i++)
        cin >> a[i];

    int sum = a[n-1] - a[0] + 1;
    priority_queue<int> pq;
    for(int i=1; i<n; i++)
        pq.push(a[i] - a[i-1] - 1);

    while((--k) && !pq.empty())
    {
        sum -= pq.top();
        pq.pop();
    }
    cout << sum << '\n';

    return 0;
}

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