2012 Multi-University Training Contest 5

1011 HDU4349 Xiao Ming's Hope

代码：

 1 #include <iostream>
 2 #include <cstring>
 3 #include <cstdio>
 4 using namespace std;
 5 
 6 int main()
 7 {
 8     int n;
 9     while(~scanf("%d",&n))
10     {
11         int num=1;
12         while(n>0)
13         {
14             if(n&1)
15                 num*=2;
16             n/=2;
17         }
18         printf("%d\n",num);
19     }
20     return 0;
21 }
22