제출 #1124826

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1124826		dwfekjhwfdwfhk	Stove (JOI18_stove)	C++17	100 / 100	20 ms	2244 KiB

stove

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

#define ll long long
#define ull unsigned long long
#define pll pair<ll,ll>
#define pqll priority_queue<ll>
#define pqpll priority_queue<pll>
#define pqllg priority_queue<ll, vector<ll>, greater<ll>>
#define pqpllg priority_queue<pll, vector<pll>, greater<pll>>
#define inf LLONG_MAX
#define vll vector<ll>
#define vqll vector<queue<ll>>
#define qll queue<ll>
#define sll set<ll>


int main(){
	ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
	ll n,k;cin>>n>>k;
	pqll pq; ll s[n];
	for(ll i=0;i<n;i++){
		ll a;cin>>a;
		s[i]=a;
	}
	for(ll i=0;i<n-1;i++){
		pq.push(s[i+1]-s[i]-1);
	}
	ll cnt=s[n-1]-s[0]+1;
	for(ll i=0;i<k-1;i++){
		cnt-=pq.top();
		pq.pop();
	}
	cout<<cnt;
}

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