4.12打卡

#include <iostream>
#include <iomanip>
using namespace std;
void f(int a,int b)
{
    int c;
    if(b)
    {
        c=a%2;
        a/=2;
        f(a,b-1);
        cout<<c;
    }
}
int main()
{
    unsigned int a;
    int b,size=sizeof(unsigned int)*8;
    cin>>b;
    a=(unsigned int)b;
    cout<<"complementcode:\t";
    f(a,size);
    cout<<endl;
    if(b<0)
    a=a-1;
    cout<<"intersecode:\t";
    f(a,size);
    cout<<endl;
    if(b<0)
    a=a^0x7fffffff;
    cout<<"originalcode:\t";
    f(a,size);
    cout<<endl;
    return 0;
}