yeah I too got AC. The way I was calculating gcd was not efficient. :)

On 3/12/11, Logic King <[email protected]> wrote:
> Here is my solution.....i got it AC
>
> #include<stdio.h>
> int gcd(int a, int b)
> {   int temp;
>    while(b)
>    {
>            temp = a % b;
>                a = b;
>                    b = temp;
>    }
> return(a);
> }
>
> int main()
> {
>    int n,i,min,ans=0;
>    scanf("%d",&n);
>    int arr[n],ard[n];
>    ard[0]=1;
>    if(n>0)
>    scanf("%d",&arr[0]);
>    for(i=1;i<n;i++)
>    {
>                    scanf("%d",&arr[i]);
>                    ard[i]=arr[i]-arr[i-1];
>                    if(i==1)
>                    min=ard[i];
>                    else
>                    min=gcd(min,ard[i]);
>
>    }
>    for(i=1;i<n;i++)
>    {
>                    ans+=((ard[i]/min)-1);
>    }
>    printf("%d",ans);
> return 0;
> }
>
>
>
> On Sat, Mar 12, 2011 at 7:37 PM, Balaji Ramani
> <[email protected]>wrote:
>
>> Yeah, I too am wondering how to implement more efficiently.
>>
>>
>> On Sat, Mar 12, 2011 at 7:36 PM, Satyam Kapoor
>> <[email protected]>wrote:
>>
>>>
>>>
>>> @balaji:i hve got ac with gcd method but the time is 0.32 sec
>>>  best soln is 0.03
>>> how is that achievable?
>>> --
>>> Satyam Kapoor
>>> B.Tech 2nd year
>>> Computer Science And Engineering
>>> M.N.N.I.T ALLAHABAD
>>>
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