3 4 6 7
1 2 3
张云聪
#include<stdio.h> int main() { int test,n,ans; scanf("%d",&test); while(test--) { scanf("%d",&n); ans=0; while(n) { if(n%2) ans++; n/=2; } printf("%d\n",ans); } return 0; }
1的个数(南阳oj100)
原文:http://blog.csdn.net/hdd871532887/article/details/41688675