Question

用C++语言编程，输入一个十进制数，输出相应的二进制数。设计一个递归函数实现数制转换,要完整的过程。

Answer 1

#include<iostream>
using namespace std;

void decToBin(int dec)
{
if(dec>0)
{
decToBin(dec/2);
cout<<dec%2;
}
}void main()
{
int a,b;
cout<<"请输入要转换的十进制数。"<<endl;
cin>>a;
decToBin(a);
}

Answer 2

#include <iostream>
using namespace std;void Dec2Binary(int num)
{
if(num){
Dec2Binary(num >> 1);
cout<< (num&1);
}
}int main()
{
int num;
cout<<"enter a number:"<<endl;
cin>>num;
Dec2Binary(num);
return 0;
}