User profile: lucifer21

User info
User name:lucifer21
Number of posts:3
Latest posts:

Sum of all pairs
find sum of all possible x+y where x and y are natural number solutions of the equation [code] ...

Lowest common ancestor in a root tree.
a basic approach would be to get the root to u path and root to v path. Then compare those two paths...

Approach for the question
I have got partial marks. What is the logic of getting All AC ? please help. I m stuck on this from ...