Find next greater element in O(n) time and O(1) space
Lead Backend Developer Interview Questions
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What are different types of exceptions.
write merge sort program
Given two binary trees check whether they are mirror images or not.
Q1- Open gfg and look for leaders in the array. Q2- Post order traversal Q3- Count the number of nodes in the binary tree
DSA, database query, system design question
6 sql queries. Some of them required knowledge about database indexing.
Reverse string with spaces, in place. If string is a palindrome, append and prepend $ ex: str1 = zebra bat ball, reversed : arbez tab llab str2 = aba, reversed = $aba$
General questions about Operating systems, Database internals and SQL optimization.
There's a race condition identify it and resolve it
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