c++实现十进制转换成16进制示例

//Decimal to hexadecimal number
//programming by : Erfan Nasoori
//Date of send : 2009/1/11

#include <iostream.h>

void main()
{
int x,y,i;
int d,n=1;
int * r;
char h[16]={'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'};

cout<<"Enter x : ";
cin>>x;
y=x;
while(x >= 10)
{
x/=10;
++n;
}
r=new int[n];
for(i=0 ; y >= 16 ; ++i)
{
r[i]=y%16;
y /= 16;
}
r[i++]=y;

cout<<"16 base = ";
for(i=(n-1) ; i>=0 ; –i)
{
cout<<h[r[i]];
}
cin.get();
}