View Code of Problem 7

#include<stdio.h>
int main(){
	int t;
	int i;
	int j;
	int n;
	int m;
	int a[1000][2]={{0}};
	int b[1000]={0};
	int flag;
	scanf("%d",&t);
	getchar(); 
	while(t--){
	
		scanf("%d",&n);
		
		for(i=0;i<n;i++){
			scanf("%d=%d",&a[i][0],&a[i][1]);
		}
		
		scanf("%d",&m);
		for(i=0;i<m;i++){
			scanf("%d",&b[i]);
		}								
		for(i=0;i<m;i++) {
			flag=0;
			for(j=0;j<n;j++){
			//n是代表有n的等式 
				if(b[i]==a[j][0]){
					printf("%d\n",a[j][1]);
					flag=1;
					break;
				}
				if(b[i]==a[j][1]){
					printf("%d\n",a[j][0]);
					flag=1;
					break;
				}	
			}
			if(flag==0){
				printf("UNKNOW\n");
			}	
		}
		printf("\n");
	} 
	return 0;
}

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