Submission #497100

#	Time	Username	Problem	Language	Result	Execution time	Memory
497100		MohamedAhmed04	Exhibition (JOI19_ho_t2)	C++14	100 / 100	51 ms	4560 KiB

joi2019_ho_t2

#include <bits/stdc++.h>

using namespace std ;

const int MAX = 1e5 + 10 ;

int arr[MAX] ;
int n , m ;

vector< pair<int , int> >vp ;

int main()
{
	ios_base::sync_with_stdio(0) ;
	cin.tie(0) ;
	cin>>n>>m ;
	for(int i = 0 ; i < n ; ++i)
	{
		int x , y ;
		cin>>x>>y ;
		vp.emplace_back(y , x) ;
	}
	for(int i = 0 ; i < m ; ++i)
		cin>>arr[i] ;
	sort(vp.begin() , vp.end()) ;
	reverse(vp.begin() , vp.end()) ;
	sort(arr , arr + m) ;
	reverse(arr , arr + m) ;
	int idx = 0 ;
	for(auto &p : vp)
	{
		int x = p.second , y = p.first ;
		if(idx < m && x <= arr[idx])
			idx++ ;
	}
	return cout<<idx<<"\n" , 0 ;
}		

Compilation message (stderr)

joi2019_ho_t2.cpp: In function 'int main()':
joi2019_ho_t2.cpp:32:22: warning: unused variable 'y' [-Wunused-variable]
   32 |   int x = p.second , y = p.first ;
      |                      ^

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