Here is my solution:

#include <iostream>

#include <iomanip>

#include <sstream>

using namespace std;

string toBinary(unsigned int num)

{

stringstream s;

for(int i 0; i<sizeof(int)*8; ++i){

s << (num&0x0001) ;

num >> 1;

}

return s.str();

}

void outLine(unsigned int num)

{

cout << setw(10)<< dec << num;

cout << bin: << toBinary(num);

cout << hex: << hex << setw(10) << num << endl;

}

int main()

{

unsigned int num 0;

outLine(num);

num 1;

while(num>0) {

outLine(num);

num * 2;

}

outLine(UINT_MAX);

cout << endl;

return 0;

}

Note the while loop makes use of the fact that if you start at 1 and double the number each loop then eventually the value will return to 0. Don't do this in real code!