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 <[email protected]> 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 <[email protected]> wrote:
>>
>> still it's not working
>>
>> On Thu, Jun 30, 2011 at 4:42 PM, Rujin Cao <[email protected]> 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 <[email protected]>
>>> 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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>>>
>>> --
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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 :: [email protected]
> Another Email :: [email protected]
>
> People who fail to plan are those who plan to fail.
>
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>
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