View Code of Problem 7

#include<stdio.h>
int main()
{
	int t;
	scanf("%d",&t);
	while(t--)
	{
		int n,m,c,d;
		scanf("%d",&n);
		
		int a[n][2]={{0}};
		for(int i=0;i<n;i++)
		{
			scanf("%d=%d",&c,&d);
			a[i][0]=c;a[i][1]=d;
		}
		scanf("%d",&m);
		int k[m]={0};
		for(int i=0;i<m;i++)
		{
			scanf("%d",&k[i]);
		}
		for(int i=0;i<m;i++)
		{
			int flag=0;
			for(int j=0;j<n;j++)
			{
				if(a[j][0]==k[i])
				{
					printf("%d\n",a[j][1]);
					flag=1;
					break;
				}
				if(a[j][1]==k[i])
				{
					printf("%d\n",a[j][0]);
					flag =1;
					break;
				}
			}
			if(flag==0)
			printf("UNKNOW\n");
		}
		printf("\n");
	}
	return 0;
}
/*
Main.c: In function 'main':
Main.c:11:3: error: variable-sized object may not be initialized
   int a[n][2]={{0}};
   ^
Main.c:11:3: warning: excess elements in array initializer
Main.c:11:3: warning: (near initialization for 'a')
Main.c:18:3: error: variable-sized object may not be initialized
   int k[m]={0};
   ^
Main.c:18:3: warning: excess elements in array initializer
Main.c:18:3: warning: (near initialization for 'k')
*/