sdut 2841 Bit Problem (水题)

 1 #include <iostream>
 2 #include <cstdio>
 3 #include <cstring>
 4 #include <cmath>
 5 using namespace std;
 6 
 7 int main()
 8 {
 9     int t, n, cnt, x, ca = 1, ans;
10     while(~scanf("%d", &t))
11     {
12         if(t==0) break;
13         printf("Answer to case%d:\n", ca++);
14         while(t--)
15         {
16             scanf("%d", &n);
17             cnt = 0;
18             while(n)
19             {
20                 x = n%2;
21                 n /= 2;
22                 if(x==1)
23                     break;
24                 cnt++;
25             }
26             ans = double(pow(2, cnt));
27             printf("%d\n", ans);
28         }
29         cout<<endl;
30     }
31     return 0;
32 }