放空自己

摘要： #include<iostream>using namespace std;int count1(int a);int count2(int N);int count3(int N);int main(){ cout<<"二进制数中1的个数是："<<count1(32)<<endl; cout<<"二进制数中1的个数是："<<count2(18)<<endl; cout<<"二进制数中1的个数是："<<count3(32)< 阅读全文