제출 #548325

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
548325		Aktan	Exhibition (JOI19_ho_t2)	C++14	0 / 100	1 ms	212 KiB

joi2019_ho_t2

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
using namespace std;
template<class T>
using ordered_set = tree<T, null_type,less<T>, rb_tree_tag,tree_order_statistics_node_update>;
#define int long long
#define ft first
#define sc second
const int mod=1e9+7,INF=1e17,N=1e5;

main(){
ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
	
	int n,m;
	cin >> n >> m;
	vector<pair<int,int>> v;
	for(int i=0;i<n;i++){
		int a,b;
		cin >> a >> b;
		v.push_back({b,a});
	}
	sort(v.begin(),v.end());
	deque<int> s;
	for(int i=0;i<m;i++){
		int x;
		cin >> x;
		s.push_back(x);
	}
	int cnt=0;
	for(int i=0;i<n;i++){
		if(lower_bound(s.begin(),s.end(),v[i].sc)!=s.end()){
			cnt++;
			while(s.front()<v[i].sc){
				s.pop_front();
			}
			s.pop_front();
		}
	}
	cout << cnt;
}

컴파일 시 표준 에러 (stderr) 메시지

joi2019_ho_t2.cpp:13:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   13 | main(){
      | ^~~~

• Subtask 1: 0 / 10
• Subtask 2: 0 / 40
• Subtask 3: 0 / 50