View Code of Problem 7

#include <stdio.h>
int main(void) {
    // insert code here...
    int t;
    scanf("%d",&t);
    for(int i=0;i<t;++i){
        int n;
        scanf("%d",&n);
        int *num = (int *)malloc(2*n*sizeof(int *));
        //int num[2*n];
        for (int j=0; j<n; j++) {
            scanf("%d=%d",&num[j],&num[2*n-j-1]);
        }
        int m;
        scanf("%d",&m);
        for(int k=0;k<m;k++){
            int m1;
            scanf("%d",&m1);
            int l;
            for(l=0;l<n*2;l++){
                if(num[l]==m1){
                    printf("%d\n",num[2*n-l-1]);
                    break;
                }
            }
            if(l==2*n){
                printf("UNKNOW\n");
            }
        }
        printf("\n");
    }
    return 0;
}