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
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