题解 | #查找#

#include <bits/stdc++.h>
#define INF 0x3f3f3f3f
using namespace std;

int main(){
	int n,m,tmp;
	vector<int> a,b;
	cin>>n;
	for(int i = 0; i < n; i++){
		cin>>tmp;
		a.push_back(tmp);
	}
	cin>>m;
	for(int i = 0; i < m; i++){
		cin>>tmp;
		b.push_back(tmp);
	}
	for(int i = 0; i < m; i++){
		if(count(a.begin(),a.end(),b[i]) != 0)
			cout<<"YES"<<endl;
		else
			cout<<"NO"<<endl;
	}
}