39 : C Program to Reverse digits of entered number

while(number >=1 ) {


       
      temp_var = number % 10; //get unit place digit

      rev_num = rev_num * 10+temp_var; //append above digit to reverse digit 

      number = number / 10; //remove the last digit  

  

     
}

/*
 * 1000+ C programs + tutorials
 *
 * 
 * 39_reverse_of_entered_number.c
 *
 *
 *  Created on: Oct 20, 2014
 *  Author: Code2care.org
 */

#include 
//#include 



void main() {

   int number,rev_num,temp_var;
  

//    clrscr();

    printf("C Program to Generate reverse of a Number");

    printf("\n\n Enter Number : ");
    scanf("%i", &number);
    
    printf("\n\n Number           : %i",number);
     
     
   //Logic to reverse a number
   
   while(number >=1 ) {
       
      temp_var = number%10; //get unit place digit
      rev_num = rev_num*10+temp_var; //append above digit to reverse digit 
      number = number/10; //remove the last digit
       
       
   }
    
   
printf("\n\n  Reversed of Number : %i", rev_num);
    


//	getch();


}

• Output :
  
  
  C Program to Generate reverse of a Number
  
  Enter Number : 123456
  
  Number : 123456
  
  Reversed of Number : 654321
  
  

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