题解 | #查找#

#include<iostream>
#include<vector>
#include<algorithm>
using namespace std;

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