제출 #743272

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
743272		Dan4Life	Hotel (CEOI11_hot)	C++17	100 / 100	1820 ms	58768 KiB

hot

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define sz(a) (int)a.size()
const int mxN = (int)5e5+10;
using ar = array<int,2>;

ar a[mxN];
int n, m, k, x, y;

int32_t main(){
	cin >> n >> m >> k; multiset<pair<int,int>> Ms; 
	for(int i = 0; i < n; i++) cin >> x >> y, Ms.insert({y,x});
	for(int i = 0; i < m; i++) cin >> a[i][0] >> a[i][1];
	multiset<int,greater<>> S; int ans = 0; sort(a,a+m);
	for(int i = m-1; i >= 0; i--){
		auto itr=Ms.lower_bound({a[i][1],0});
		if(itr!=end(Ms) and itr->second < a[i][0])
			S.insert(a[i][0]-itr->second), Ms.erase(itr);
	}
	while(k-- and sz(S)) ans+=max(0ll,*begin(S)), S.erase(begin(S));
	cout << ans;
}

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 10 / 10
• Subtask 6: 10 / 10
• Subtask 7: 10 / 10
• Subtask 8: 10 / 10
• Subtask 9: 10 / 10
• Subtask 10: 10 / 10