答案:#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);
}#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;
}
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