Submission #742341

#	Time	Username	Problem	Language	Result	Execution time	Memory
742341		haydendoo	Art Exhibition (JOI18_art)	C++17	0 / 100	109 ms	262144 KiB

art

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

#define F first
#define S second
#define int long long

main() {
	ios_base::sync_with_stdio(0), cin.tie(0);
	int n,m;
	cin >> n >> m;
	pair<int,int> pic[n];
	for(int i=0; i<n; ++i) cin >> pic[i].second >> pic[i].first;
	sort(pic,pic+n);
	int frames[m];
	for(int i=0; i<m; ++i) cin >> frames[i];
	sort(frames,frames+m);
	int ptr=n-1,ans=0;
	for(int i=m-1; i>=0; --i) {
		while(ptr>=0&&pic[ptr].second>frames[i]) {
			--ptr;
		}
		if(ptr<0) break;
		++ans; --ptr;
	} cout << ans;
} 

Compilation message (stderr)

art.cpp:8:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    8 | main() {
      | ^~~~

• Subtask 1: 0 / 10
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 50