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Syndr Interview Questions and Answers
Q1. Shortest Substring with All Characters
Determine the shortest substring of the string S that includes every character from S at least once. If multiple shortest substrings exist, return the one that starts the ...read more
Q2. Reverse the String Problem Statement
You are given a string STR which contains alphabets, numbers, and special characters. Your task is to reverse the string.
Example:
Input:
STR = "abcde"
Output:
"edcba"
Input...read more
Q3. Construct Complete Binary Tree Problem Statement
Given an array or list 'ARR' containing values for 'N' nodes of a binary tree, your task is to construct a complete binary tree in a level order fashion. The ele...read more
Q4. Anagram Substring Search
Given two strings 'STR' and 'PTR', identify all starting indices of 'PTR' anagram substrings in 'STR'. Two strings are anagrams if one can be rearranged to form the other.
Input:
First ...read moreQ5. Expression Equality Checker
Given two strings representing expressions in variables, determine if they are equivalent. Return 'YES' if the expressions are identical and 'NO' if they are different. Each expressi...read more
Q8. Build an authentication system for bank.
An authentication system for a bank should have multiple layers of security to protect sensitive information.
Use multi-factor authentication (MFA) to verify user identity
Implement encryption to protect data in transit and at rest
Use secure protocols such as HTTPS and TLS
Implement access controls to limit user permissions
Regularly update and patch the system to address vulnerabilities
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