cpp
求int型正整数在内存中存储时1的个数
http://www.nowcoder.com/questionTerminal/440f16e490a0404786865e99c6ad91c9
#include<iostream> using namespace std; int main() { int a; cin>>a; int count=0; while(a!=0) { int b=a%2; if(b!=0) { count++; } a=a/2; } cout<<count<<endl; return 0; }