1. Finding first non repeated character in an array 2. Linux command to list files containing specific string 3. Mysql query related to Group by Second phone interview 1. create a doubly linked list out of that tree where each node represents sum of all nodes in the same vertical line. 2. Implement search for a sorted rotated array.
What is a class?
Given a triangle, determine if its a scalene, equilateral, isosceles or neither... required knowledge of triangle properties, I learnt these properties about two decades ago so ofcourse I was fuzzy on the details, completely unexpected
Write a function to find a substring in a string. Test your code, write the test cases.
Reverse a String eg: I am a boy ans : boy a am I
Given a string, find whether it has any permutation of another string. Need to be efficient
How would you reverse the words in a string?
Given an integer write a function that converts the input into a linkedList where each node corresponds to a number of the integer. Eg: 25697 == 2 -> 5 -> 6 -> 9 -> 7 Then write a function that takes 2 linkedList, add the corresponding integers and return a third list with the result.
Q) How would you all values from the nodes of a given binary tree into a string and then deserialize the string and put it back in the binary tree?
write a sub string in a string
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