View Code of Problem 7

#include<iostream>
using namespace std;

int main(){
	int T,n,m,i,j,flag;
	char ch;
	int eql[1000][2];
	int s[1000];
	cin>>T;
	while(T--){
		cin>>n;
		for(i=0;i<n;i++){
			cin>>eql[i][0]>>ch>>eql[i][1];
		}
		cin>>m;
		for(i=0;i<m;i++){
			cin>>s[i];
		}
		for(i=0;i<m;i++){
			flag = 0;
			for(j=0;j<n;j++){
				if(eql[j][0] == s[i]){
					flag = 1;
					cout<<eql[j][1]<<endl;
					break;
				}
				if(eql[j][1] == s[i]){
					flag = 1;
					cout<<eql[j][0]<<endl;
					break;
				}
			}
			if(flag == 0)
				cout<<"UNKNOW"<<endl;
		}
	}
}

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