Reverse number using cpp.

Reverse number using cpp.

        In this tutorial we learn how to print reverse number of any digit using cpp programming language.
A number contained any digit then by following technique we convert its into reverse order.
        suppose we take a 3 digit integer number and we want to print its into the reverse order then,the number is mod,add reminder and divide operation until number is 0.If number reach to 0 then terminate the execution.

example:

      number is 123
step 1:
       //here we taking a mod of number i.e 3
       mod=123%10
step 2:
       //here we add the reminder into mod that multiplied by 10
       reminder=reminder*10+mod
step 3:
       //finally number dividation.
       number=number/10

code:

#include<iostream.h>
#include<conio.h>
void main()
{
    int num,mod,reminder=0,i;
    clrscr();
    cout<<"\nEnter any 3 digit number:";
    cin>>num;
    while(num!=0)
    {
        mod=num%10;
        reminder=reminder*10+mod;
        num=num/10;
    }
    cout<<"\nReverse number:"<<reminder;
    getch();
}

Output:

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