What's New?
October 2026
Agentic Chatbot
PremiumNewLow-Level Design
Design a chatbot that routes each message to the tool whose keywords match best and keeps a separate history for every conversation. Practise tool routing, template filling and per-session state.
Arrays & Hashing · Coding Question
Check whether an array contains every integer in a given inclusive range.
Search Algorithms · Coding Question
Find the last occurrence of a character in a string, including when the character is absent.
Arrays & Hashing · Coding Question
Find the least frequent character in a string, handling ties consistently.
Linked Lists · Coding Question
Count the nodes in a circular linked list without looping indefinitely.
MakeMyTrip48 questions
NewCompany
48 interview questions reported at MakeMyTrip, across coding, system design, low-level design and SQL.
MakeMyTrip Interview Roadmap
PremiumNewRoadmap
A study plan built from the questions MakeMyTrip asks, with every step linked to the matching practice problems.
Trees · Coding Question
Connect each node of a perfect binary tree to its right neighbour on the same level, using the links you have already built (LeetCode #116).
Linked Lists · Coding Question
Find the node where two singly linked lists merge, walking both in a single pass with no extra memory (LeetCode #160).
SQL · Coding Question
Write an anti-join that returns users who booked a flight in March 2024 but no hotel in the same window.
AVEVA Interview Roadmap
PremiumNewRoadmap
Step-by-step study plan for AVEVA's interview loop, from the online assessment to the managerial round.
Sliding Window · Coding Question
Count the most frequent substring whose length and distinct-letter count stay within given limits (LeetCode #1297).
Arrays & Hashing · Coding Question
Capitalise the first character of each word in a string, leaving everything else untouched.
SQL · Coding Question
From a status log, work out each industrial asset's total minutes in the DOWN state using a window function.
Recursion · Coding Question
Find every combination of candidates that sums to a target, reusing numbers as often as you like (LeetCode #39). Asked at Amazon, Airbnb and 19 more companies.
Two Pointers · Coding Question
Reverse the order of the words in a character array, working in place (LeetCode #186). Asked at Amazon, Microsoft and 7 more companies.
Rotate Array
NewArrays & Hashing · Coding Question
Rotate an array to the right by k steps (LeetCode #189). Asked at Cisco, PayPal and 7 more companies.
