Submission #574693

#	Time	Username	Problem	Language	Result	Execution time	Memory
574693		MateGiorbelidze	Exhibition (JOI19_ho_t2)	C++14	100 / 100	133 ms	5548 KiB

joi2019_ho_t2

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

#define ll long long
#define ff first
#define sc second
#define pb push_back
#define in insert

int main () {
	
	ll n , m; cin>>n>>m;
	
    pair <ll,ll> a[n + 1];
    
    for (int i = 1; i <= n; i++) {
    	cin>>a[i].sc>>a[i].ff;
	}
	
	sort(a + 1, a + n + 1);
	
	ll d[m + 1];
	
	for (int i = 1; i <= m; i++) {
		cin>>d[i];
	}
	
	sort(d + 1,d + m + 1);
	
	ll r = m;
	for (int i = n; i > 0; i--) {
		ll val = a[i].ff, sz = a[i].sc;
		
		if (r == 0) break;
		
		if (d[r] >= sz) {
			r--;
		}
	}
	
	cout<<m - r;
		
}

Compilation message (stderr)

joi2019_ho_t2.cpp: In function 'int main()':
joi2019_ho_t2.cpp:32:6: warning: unused variable 'val' [-Wunused-variable]
   32 |   ll val = a[i].ff, sz = a[i].sc;
      |      ^~~

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