Submission #1217035

#	Time	Username	Problem	Language	Result	Execution time	Memory
1217035		moondarkside	Stove (JOI18_stove)	C++20	100 / 100	35 ms	1548 KiB

stove

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

int main()
{
    int n,k;
    cin>>n>>k;
    std::vector<int>Guests;
    for(int i=0;i<n;i++){
        int a;
        cin>>a;
        Guests.push_back(a);
    }
    sort(Guests.begin(),Guests.end());
    
    priority_queue<int>Holes;
    long long gas=1;
    for(int i=0;i<Guests.size()-1;i++){
        gas++;
        int holeLen=Guests[i+1]-Guests[i]-1;
        gas+=holeLen;
        Holes.push(holeLen);
    }
    for(int i=0;i<k-1;i++){
        gas-=Holes.top();
        Holes.pop();
    }
    cout<<gas;

    return 0;
}

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