Arrange set of names in an array in alphabetical order.

**coder1** · 10-25-2013

I am having problem with comparing first letter of every wordso that i can arrange them in array.What am i doing wrong?(i am new at this)

Code:

/*22/10/13 15:30
  Arrange set of names in an array in alphabetical order
*/
#include<stdio.h>
main( )
{
 int x,a,i=0,j;
 char *temp, *str[]={
				 "nitin",
				 "saurabh",
				 "amit",
				 "himanshu"				 
				};
 for(j=0;j<3;j++)
  {
    i = j+1;
   for (;i<4;i++)
    {
     a=check(str[j],str[i]);
     if(a==2)
      { 
       temp=str[j];
       str[j]=str[i];
       str[i] = temp; 
      }
    }
  }
 for(x=0;x<4;x++)
 printf("\n%s",str[x]);
}


check(char *a,char *b)
{
 if(*a >*b)
 {
  return(2);
 }
}

i am getting unexpected output here :

Code:

himanshu
amit
nitin
saurabh

**Salem** · 10-25-2013

Consider using a better compiler, with better warnings.

Code:

$ gcc -Wall baz.c
baz.c:5:1: warning: return type defaults to ‘int’ [-Wreturn-type]
baz.c: In function ‘main’:
baz.c:19:6: warning: implicit declaration of function ‘check’ [-Wimplicit-function-declaration]
baz.c: At top level:
baz.c:33:1: warning: return type defaults to ‘int’ [-Wreturn-type]
baz.c: In function ‘check’:
baz.c:39:1: warning: control reaches end of non-void function [-Wreturn-type]
baz.c: In function ‘main’:
baz.c:30:1: warning: control reaches end of non-void function [-Wreturn-type]

Now ask yourself what would happen if check still returned 2 just because it fell off the end of the function.

**coder1** · 10-25-2013

which compiler is good according to you?suggestions...

**Salem** · 10-26-2013

It's right there in the command line.

If you're a windows user, then Code::Blocks offers an excellent IDE and GCC combination.

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