C Program to Reverse a Number

#include<stdio.h>

#include<conio.h>

void main( )

{

    int n, rev=0, r;

    printf("Enter a number: ");

    scanf("%d",&n);

  while(n>0)

  {

    r = n % 10;

    rev = rev * 10 + r;

    n = n / 10;

  }

  printf("Reverse value = %d",rev);

  getch( );

}

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