1的个数

 1 #include <stdio.h> 
 2 
 3 int main(){
 4     int T;
 5     int n;
 6     int amount;
 7     
 8     scanf("%d",&T);
 9     
10     while(T--){
11         scanf("%d",&n);
12         
13         amount=0;
14         while(n){
15             if(n%2==1)
16                 amount++;
17                 
18             n/=2;
19         }
20         
21         printf("%d\n",amount);
22     }
23     return 0;
24 }