Find the bug in this C program!

[prateek]

Hello Guys,
I am new in C Programming

I had wrote a code to reverse the number given by the user

but the problem is

When the user inputs number less than 10 it works fine
but just as the user inputs number like 134 or 351 nothing happens

help me what is the problem

here is the program

#include<stdio.h>
#include<conio.h>
main()
	{
		int num=0, revnum=0, temp=0;
		printf("Program to reverse the number");
		printf("\n\nEnter a Number ");
		scanf("%d",&num);
		if (num<=10)
			printf("\nEnter Number Greater than 10\n");
		else
			{
				while(num!=0)
				{
					temp=num%10;
					revnum=revnum*10+temp;
					num=num%10;
				}
				printf("Reversed Number=%d",revnum);
			}
		getch();
	}

Please don't write your own new code , i want just to find the bug in the program

prateek Reviewed by prateek on 20th Nov 2011. Find the bug in this C program! Hello Guys, I am new in C Programming I had wrote a code to reverse the number given by the user but the problem is When the user inputs number less than 10 it works fine but just as the user inputs number like 134 or 351 nothing happens Rating: 5

[Bharat]

Edit : he corrected himself

[prateek]

Hey! i got it

there was only one silly mitake

i am soo foolish


the mistake was
this


Wrong : num=num%10;
Correct : num=num/10;

[prateek]

Here is the working correct program

#include<stdio.h>
#include<conio.h>
main()
	{
		int num=0, revnum=0, temp=0;
		printf("Program to reverse the number");
		printf("\n\nEnter a Number ");
		scanf("%d",&num);
		if (num<=10)
			printf("\nEnter Number Greater than 10\n");
		else
			{
				while(num!=0)
				{
					temp=num%10;
					revnum=revnum*10+temp;
					num=num/10;
				}
				printf("Reversed Number=%d",revnum);
			}
		getch();
	}

[prateek]

@Bharat

Thanks for your help bro :

[prateek]

Can anyone suggest me some questions of C Programming to Develop Logic ?

please help needed

[Mind Freak]

Note i code in Dev C++

#include<stdio.h>
#include<conio.h>
#include<string.h>

main()
{
      
      char a1[20];
      printf("\tEnter the number here : ");
      scanf("%s",&a1);
      printf("\tThe Reverse of the number is %s",strrev(a1));
getch();      
}

[Bharat]

This site is nice , i guess it do got some good logical questions as well , or best is to get some book from your library .

http://cquestionbank.blogspot.com/

[prateek]

@bharat
thanks , i will surely visit that site and learn new things
Yes, I have books for C

@Mind Freak™
Since I am new in C , we haven't yet taught array and also that function strrev

but your coding is very small and cool

[prateek]

@ mind freak

lol

i asked for the program to reverse the number and not stings hehehehehehe