Two Code :

Q.1 Sort stack in place. : Solution

Q.2 Recursively reverse Linked List

Round 1 :

Q.1 : Explain and discussion on both Codes, especially on sorting stack.

Q.2 : Loop in Lined List, why Incrementing fast pointer as thrice may not work : Solution

Q.3 : Find Nearest Minimum number in left side in O(n) : Solutio

Q.4 : Puzzle for 4abcd=dcba, solve a,b,c,d values : Solution

Q.5 : Left view of Binary Tree, and how to solve issue when two branches intersect etc.

Q.6 : Difference of code for finding minimum value in

a. sorted rotated array

b. merged array from two sorted arrays.

Q.7 : Present work, issues solved in backend and forntend in details.