View Code of Problem 7

#include<stdio.h>
#include<iostream>
using namespace std;
int main()
{
	int T;
	int n;
	int a[10000];
	int b[10000];
	int m;
	int search[100];
	int flag;
	cin>>T;
	while(T--){
		cin>>n;
		for(int i=0;i<n;i++){
			scanf("%d=%d",&a[i],&b[i]);
		}
		cin>>m;
		for(int i=0;i<m;i++){
			cin>>search[i];
		}
		for(int i=0;i<m;i++){
			flag=0;
			for(int j=0;j<n;j++){
				if(search[i]==a[j]){
					cout<<b[j]<<"\n";
					flag=1;
					break;
				}
				else if(search[i]==b[j]){
					cout<<a[j]<<"\n";
					flag=1;
					break;
				}
				
			}
			if(flag==0){
				cout<<"UNKNOW"<<"\n";
			}
		}
		printf("\n");
		
	}
	return 0;
}