View Code of Problem 7

#include<iostream>
#include <algorithm>

using namespace std;

int main(){
	int t;

	cin>>t;

	while(t--){

		int numarr[1005];
		fill(numarr,numarr+1005,-1);
		int n;
		cin>>n;
		for(int i=0;i<n;++i){
			int a,b;
			scanf("%d=%d",&a,&b);
			numarr[a]=b;
			numarr[b]=a;
		}
		int m;
		cin>>m; 
		int num[m];
		for(int i=0;i<m;++i){
			cin>>num[i];
		}
		for(int i=0;i<m;++i){
			if(numarr[num[i]]==-1){
				cout<<"UNKNOW"<<endl;
			}
			else {
				cout<<numarr[num[i]]<<endl;
			}
		}
		cout<<endl;
	}
	return 0;
}