Submission #1286928

#	Time	Username	Problem	Language	Result	Execution time	Memory
1286928		putthi_us	Stove (JOI18_stove)	C++20	100 / 100	18 ms	1076 KiB

stove

#include<bits/stdc++.h>
using namespace std;
int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    int n,q;
    cin>>n>>q;
    int pre;
    cin>>pre;
    pre++;
    priority_queue<int,vector<int>,greater<int>> pq;
    for(int i=1;i<n;i++){
        int a;
        cin>>a;
        pq.push(a-pre);
        pre=a+1;
    }
    int ans=0;
    while(pq.size()>=q){
        ans+=pq.top();pq.pop();
    }
    cout<<ans+n;
}

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