Submission #978260

#	Time	Username	Problem	Language	Result	Execution time	Memory
978260		YABYAB	Stove (JOI18_stove)	C++17	100 / 100	46 ms	2516 KiB

stove

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

int main() {
    int n,k;

    cin >> n >> k;

    int ll[n];

    for(int i = 0; i < n; i++){
        cin >> ll[i];
    }

    priority_queue<int> pq;

    for(int i = 0; i < n-1; i++){
        pq.push(ll[i+1]-ll[i]-1);
    }

    k--;
    int ans = ll[n-1] - ll[0] +1;
    while(k>0 && !pq.empty() && pq.top() > 0){
        ans-=pq.top();
        pq.pop();
        k--;
    }

    cout << ans;


}

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