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-   -   Examine this program? Tell me its bugs ? (http://www.go4expert.com/forums/examine-program-tell-bugs-t21558/)

 lionaneesh 28Mar2010 18:14

Examine this program? Tell me its bugs ?

Code:

```#include<stdio.h> int lcm(int a,int b); int main() {     int a;     int b;     printf("Enter two numbers to find lcm of ? :-\n1. ");     scanf("%d",&a);     printf("2. ");     scanf("%d",&b);     printf("%d is the lcm of %d and %d\n\n",lcm(a,b),a,b);     getchar();     return(0); } /******************* FUNCTION *****************************/ int lcm(int a,int b) {     int i,g,pr,z,q,dummy,lc = 0; /************************************************************************/     /********* Determining weather a is a prime or not **************/             for(i = 2 ;i < a;i++)      /* The loop */     {         pr = (a % i);         if(pr == 0)         {                dummy=14296;             break;         }        }         if(dummy != 14296)     {         lc = a * b;     } dummy = 0;     /********* Determining weather a is a prime or not **************/     for(i = 2 ;i < b;i++)      /* The loop */     {         pr = (b % i);         if(pr == 0)         {                dummy=14296;             break;         }        }         if(dummy != 14296)     {         lc = a * b;     } /************************************************************************/     if((a % b) == 0)     {         lc = b/a;     }     if((b % a) == 0)     {         lc = a/b;     } /************************************************************************/         if(b>a)     {         g = b;     }     else     {         g = a;     }             for(z=1;z <= g;z++)     {         if(((b % z) == 0) && ((a % z) == 0))         {             lc = (b/z) * (a/z);         }     } /********************************************************************/         return(lc); }```
This is a lcm finding program.
please tell me if there are any bugs in this program and tell me how u liked my idea.

 shabbir 28Mar2010 19:56

Re: Examine this program? Tell me its bugs ?

Its just too perfect. Don't you think the same.

 lionaneesh 28Mar2010 20:46

Re: Examine this program? Tell me its bugs ?

REly.......

thanxxxxxxxxxx...........

 en_7123 28Mar2010 22:19

Re: Examine this program? Tell me its bugs ?

The code is fine but you can write a function for checking if the number is prime or not that would make your code smaller.

 lionaneesh 28Mar2010 23:01

Re: Examine this program? Tell me its bugs ?

Quote:
 Originally Posted by en_7123 (Post 66362) The code is fine but you can write a function for checking if the number is prime or not that would make your code smaller.
kk sir thanx and will look forward abt it while writing the code next time.

thanx..:charming:

 xpi0t0s 29Mar2010 19:12

Re: Examine this program? Tell me its bugs ?

Better to set a flag to 1 or 0 than to use some mystical value 14296 - reviewers will be thinking "what's the significance of 14296?"

It would be better to use meaningful variable names than single letters. Suppose I give you the formula a=b*c^d - could you tell me what that means?

 lionaneesh 29Mar2010 22:41

Re: Examine this program? Tell me its bugs ?

Quote:
 Originally Posted by xpi0t0s (Post 66385) Better to set a flag to 1 or 0 than to use some mystical value 14296 - reviewers will be thinking "what's the significance of 14296?" It would be better to use meaningful variable names than single letters. Suppose I give you the formula a=b*c^d - could you tell me what that means?
Thank u sir fr ur advice ...

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