제출 #1290189

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1290189		DangerNoodle7591	Stove (JOI18_stove)	C++20	100 / 100	19 ms	2368 KiB

stove

#include <bits/stdc++.h>
using namespace std;
#define lalala ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
#define int long long int
#define N 500005
#define big 100000000000000000
#define endl "\n"
#define pb push_back
#define p push
#define f first
#define s second


signed main() {
    lalala;
    int n,k;cin>>n>>k;
    k--;
    int arr[n];
    priority_queue<int>pq;
    for(int i=0;i<n;i++){
        cin>>arr[i];
        if(i){
            pq.p({arr[i]-arr[i-1]-1});
        }
    }
    int ans=arr[n-1]-arr[0]+1;
    while(k&&pq.size()){
        k--;
        ans-=pq.top();
        pq.pop();
    }
    cout<<ans<<endl;
}

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