Programming Interview Questions

ravikant0909

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Comment hidden because of low score. Click to expand.

of 17 vote

Please post the questions correctly, i dont think it is possible

- ravikant0909 July 27, 2010 | Flag Reply

Comment hidden because of low score. Click to expand.

of 0 vote

Extremely sorry forgot root=root->next
here is the code once again
This time tested though :D

int calculate_num(Node  root)
       {   int num=0;
           while(root!=NULL)
            {   num=num*10+root->data;
                root=root->next;
            }
            return num;
       }
       int sum_num_as_list(Node root1,Node root2)
       {    return(calculate_num(root1)+calculate_num(root2));
       }

- ravikant0909 July 26, 2010 | Flag Reply

Comment hidden because of low score. Click to expand.

of 1 vote

I dont why people have written so huge codes
Here is a small piece of running code
At point of time the situation is like prev->a->b->something

Node swapAdjacentNodes(Node root)
{   Node prev=NULL;
    Node n=root;Node a,b;
    while(n!=NULL && n->next!=NULL)
    {   a=n;
        b=n->next;
        if(prev!=NULL)
        {   prev->next=b;
        }
        else
        {   root=b;
        }
        a->next=b->next;
        b->next=a;
        prev=a;
        n=a->next;

    }
    return root;
}

- ravikant0909 July 26, 2010 | Flag Reply

Comment hidden because of low score. Click to expand.

of 0 vote

I don't kow what people have been thinking. But isnt this a simple solution???

int calculate_num(Node * root)
       {   int num=0;
           while(root!=NULL)
            {   num=num*10+root->data;
            }
            return num;
       }
       int sum_num_as_list(List l1,List l2)
       {    return(calculate_num(l1.root)+calculate_num(l2.root));
       }

- ravikant0909 July 26, 2010 | Flag Reply

Comment hidden because of low score. Click to expand.

of 0 vote

Awesomeness !!!
But still doesnt work for 6.455555
correct me if am wrong

- ravikant0909 July 26, 2010 | Flag Reply

Comment hidden because of low score. Click to expand.

of 0 vote

Common people lets not paste stupid problems here ..

- ravikant0909 July 25, 2010 | Flag Reply

Comment hidden because of low score. Click to expand.

of 0 vote

Again please do not post questions unless you are sure about them .

- ravikant0909 July 25, 2010 | Flag Reply

Comment hidden because of low score. Click to expand.

of 0 vote

I guess this cant be done in O(N) unless u use exponential memory . Please correct me if i am wrong?

- ravikant0909 July 25, 2010 | Flag Reply

Comment hidden because of low score. Click to expand.

of 0 vote

This takes memory O(2^n) worst case
very bad solution !!!

- ravikant0909 July 25, 2010 | Flag Reply

Comment hidden because of low score. Click to expand.

of 1 vote

Everybody has written something,but can somebody explain how can one return a pointer to a bit in C ??????????????
I think there should be a correction in the question

- ravikant0909 July 25, 2010 | Flag Reply

Comment hidden because of low score. Click to expand.

of 0 vote

nice ra babu !!

- ravikant0909 July 25, 2010 | Flag Reply

Comment hidden because of low score. Click to expand.

of 0 vote

i am naive to coding
Can u please explain how generating all possible substrings o(n^2)

- ravikant0909 July 24, 2010 | Flag Reply

Comment hidden because of low score. Click to expand.

of 0 vote

Could you please explain me how did u come up with this algo?
I mean could you please explain the algo?

- ravikant0909 July 23, 2010 | Flag Reply

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