S001-AC.cc
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#include <iostream>
#include <string>
using namespace std;
void dec2bin(int a)
{
string str;
char c;
do
{
str.insert(0,1,((a & 0x1) + 48));
a >>= 1;
}while(a);
cout << str;
}
void dec2hex(int a)
{
cout << uppercase << hex << a;
}
void dec2oct(int a)
{
cout << uppercase << oct << a;
}
int main()
{
while(1)
{
int a;
cin >> a;
if(cin.eof())
{
return 0;
}
cout << a << " = ";
dec2bin(a);
cout << ", ";
dec2oct(a);
cout << dec << ", ";
dec2hex(a);
cout << dec << endl;
}
}