Submission #303363

#	Time	Username	Problem	Language	Result	Execution time	Memory
303363		vipghn2003	Stove (JOI18_stove)	C++14	0 / 100	1 ms	384 KiB

stove

#include<bits/stdc++.h>

using namespace std;

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    int n,k;
    cin>>n>>k;
    k--;
    vector<int>a(n);
    priority_queue<int>pq;
    for(int i=0;i<n;i++)
    {
        cin>>a[i];
        if(i) pq.push(a[i]-1-a[i-1]);
    }
    int res=a[n-1];
    while(k--)
    {
        res-=pq.top();
        pq.pop();
    }
    cout<<res;
}

• Subtask 1: 0 / 20
• Subtask 2: 0 / 30
• Subtask 3: 0 / 50