UVA10474 Where is the Marble?

http://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=1415

水题简单排序查找快排+哈希

View Code

 1 #include <stdio.h>
 2 #include<string.h>
 3 int cmp(const void*a,const void *b)
 4 {
 5     return *(int *)a-*(int *)b;
 6 }
 7 int main()
 8 {
 9     int i,j,n, m, a[10001],b[10001],x[10001],k = 0;
10     while(scanf("%d%d", &n, &m)!=EOF)
11     {
12         if(n == 0&&m == 0)
13         break;
14         k++;
15         memset(b,0,sizeof(b));
16         for(i = 0 ; i < n ; i++)
17             scanf("%d", &a[i]);
18         qsort(a,n,sizeof(a[0]),cmp);
19         for(i = 0;  i < n ; i++)
20         {
21             if(!b[a[i]])
22             b[a[i]] = i+1;
23         }
24         for(i = 1 ; i <= m ; i++)
25             scanf("%d", &x[i]);
26         printf("CASE# %d:\n",k);
27         for(i = 1 ; i <= m ; i++)
28         {
29             if(b[x[i]]!=0)
30             printf("%d found at %d\n",x[i],b[x[i]]);
31             else
32             printf("%d not found\n",x[i]);
33         }
34     }
35     return 0;
36 }