题目挺有意思。虽然不是很难。

1 #include 
     
       2  3 int main() { 4     unsigned int m, n, case_n; 5     unsigned int i, j, k, tmp, one=1; 6  7     scanf("%u", &case_n); 8  9     while (case_n--) {10         scanf("%u %u", &m, &n);11         k = j = 0;12         for (i=1; i<=n; ++i) {13             scanf("%u", &tmp);14             if (tmp && !j)15                 j = i;16         }17         if ( (m==n) && (j==0 || j==n) ) {18                 printf("0 RMB\n");19                 continue;20         }21         if (j && j
      
       k) ? tmp:k;30         if (tmp)31             printf("%u0000 RMB\n", tmp);32         else33             printf("0 RMB\n");34     }35 36     return 0;37 }