30:1的个数

100

3

 1 #include<iostream>
 2 #include<cstdio>
 3 #include<queue>
 4 #include<cmath>
 5 using namespace std;
 6 int ans[10001];
 7 int now;
 8 int tot;
 9 int main() 
10 {
11     int n;
12     cin>>n;
13     while(n!=0)
14     {
15         ans[now]=n%2;
16         n=n/2;
17         if(ans[now]==1)
18         tot++;
19     }
20     cout<<tot;
21     return 0;
22 }