he was pointing to the abnormality in behaviour and not actual algorithm :D
On Fri, Jul 1, 2011 at 11:50 AM, surender sanke <surend...@gmail.com> wrote:
> why two loops, find max and min and returns its difference
>
> surender
>
> On Fri, Jul 1, 2011 at 11:32 AM, sunny agrawal <sunny816.i...@gmail.com>wrote:
>
>> in function it is pointer pointing to an array of 6 elements , pointer
>> have size equal to word size in the system which is 4bytes for 32 bit
>> operating system
>>
>> in main it is array of 6 integers so 24 bytes
>>
>> Don't get confused with same names, see the scope and type of arr in both
>>
>>
>> On Fri, Jul 1, 2011 at 11:28 AM, shady <sinv...@gmail.com> wrote:
>>
>>> why is the value of sizeof(arr) in maxdiff function = 4 ?
>>> where as in main function it is 24
>>>
>>>
>>> On Fri, Jul 1, 2011 at 11:05 AM, Vishal Thanki
>>> <vishaltha...@gmail.com>wrote:
>>>
>>>> Rujin is right, here is the code which compiles..
>>>>
>>>> vishal@ubuntu:~/progs/c\ 11:04:37 AM >$ cat alg.c
>>>> #include<stdio.h>
>>>> int maxdiff(int arr[]);
>>>> int main()
>>>> {
>>>> int p,arr[]={2,4,1,6,23,4};
>>>> p=maxdiff(arr);
>>>> printf("\n MAX Diff is \t %d",p);
>>>> return 0;
>>>> }
>>>> int maxdiff(int arr[])
>>>> {
>>>> int diff=0,len,i,j;
>>>> unsigned p;
>>>> len=sizeof(arr)/sizeof(arr[0]);
>>>> for(i=0;i<len;i++)
>>>> {
>>>> for(j=i;j<len;j++)
>>>> {
>>>> p=arr[j]-arr[i];
>>>> if((p-diff)>0)
>>>> diff=p;
>>>> }
>>>> }
>>>> return diff;
>>>> }
>>>> vishal@ubuntu:~/progs/c\ 11:04:40 AM >$ gcc alg.c -Wall
>>>>
>>>>
>>>> On Fri, Jul 1, 2011 at 7:20 AM, varun pahwa <varunpahwa2...@gmail.com>
>>>> wrote:
>>>> > actually u r passing arr,and receiving arr[] which actually receives
>>>> the
>>>> > first element address. So arr will be a reference to first address. so
>>>> its
>>>> > size will be 4 bytes and arr size will also be 4 bytes. so ur len
>>>> contains
>>>> > only 1. so ur loop runs only once.i hope it clears.
>>>> >
>>>> > On Thu, Jun 30, 2011 at 4:49 PM, ashwini singh <asingh...@gmail.com>
>>>> wrote:
>>>> >>
>>>> >> still it's not working
>>>> >>
>>>> >> On Thu, Jun 30, 2011 at 4:42 PM, Rujin Cao <drizzle...@gmail.com>
>>>> wrote:
>>>> >>>
>>>> >>> int maxdiff(int );
>>>> >>> int maxdiff(int arr[]);
>>>> >>> The signatures of maxdiff function are not the same.
>>>> >>>
>>>> >>> On Fri, Jul 1, 2011 at 6:53 AM, ashwini singh <asingh...@gmail.com>
>>>> >>> wrote:
>>>> >>>>
>>>> >>>> this code gives an error ([Warning] passing arg 1 of `maxdiff'
>>>> makes
>>>> >>>> integer from pointer without a cast) . Please explain the reasons.
>>>> >>>>
>>>> >>>>
>>>> >>>> #include<stdio.h>
>>>> >>>> #include<conio.h>
>>>> >>>> int maxdiff(int );
>>>> >>>> main()
>>>> >>>> {
>>>> >>>> int p,arr[]={2,4,1,6,23,4};
>>>> >>>> p=maxdiff(arr);
>>>> >>>> printf("\n MAX Diff is \t %d",p);
>>>> >>>> getch();
>>>> >>>> }
>>>> >>>> int maxdiff(int arr[])
>>>> >>>> {
>>>> >>>> int diff=0,len,i,j;
>>>> >>>> unsigned p;
>>>> >>>> len=sizeof(arr)/sizeof(arr[0]);
>>>> >>>> for(i=0;i<len;i++)
>>>> >>>> {
>>>> >>>> for(j=i;j<len;j++)
>>>> >>>> {
>>>> >>>> p=arr[j]-arr[i];
>>>> >>>> if((p-diff)>0)
>>>> >>>> diff=p;
>>>> >>>> }
>>>> >>>> }
>>>> >>>> return diff;
>>>> >>>> }
>>>> >>>>
>>>> >>>> --
>>>> >>>> with regards,
>>>> >>>> Ashwini kumar singh
>>>> >>>> ECE Final yr.
>>>> >>>> NIT Allahabad
>>>> >>>>
>>>> >>>>
>>>> >>>> --
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>>>> >>
>>>> >>
>>>> >>
>>>> >> --
>>>> >> with regards,
>>>> >> Ashwini kumar singh
>>>> >> ECE Final yr.
>>>> >> MNNIT Allahabad
>>>> >> Mobile: 7505519402
>>>> >>
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>>>> >
>>>> >
>>>> >
>>>> > --
>>>> > Varun Pahwa
>>>> > B.Tech (IT)
>>>> > 7th Sem.
>>>> > Indian Institute of Information Technology Allahabad.
>>>> > Ph : 09793899112 ,08011820777
>>>> > Official Email :: rit2008...@iiita.ac.in
>>>> > Another Email :: varunpahwa.ii...@gmail.com
>>>> >
>>>> > People who fail to plan are those who plan to fail.
>>>> >
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>>
>>
>>
>> --
>> Sunny Aggrawal
>> B-Tech IV year,CSI
>> Indian Institute Of Technology,Roorkee
>>
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Regards,
Arpit Sood
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