Last Minute Coding Interview Preparation Guide

Looking to prepare for an upcoming coding interview and overwhelmed by the amount of resources available? We have got you covered!

With this preparation plan containing hand-picked problems with video solutions from all the major topics, you can crack your next interview with confidence.

Over a million people trust InterviewBit for their tech interview preparation, this guide makes your preparation even more focussed and rewarding!

How to use this guide?

Go through topics below one by one and solve the questions mentioned by difficulty level. Most interview questions are from the topics covered below.

Use our fast track courses to brush up concepts if needed. Come back to the questions below when you are done.

Follow through hints, discussions and videos solution to find the best way forward if you are stuck.

Arrays

Even Product! Very Easy

Bribing was never Easy! Medium

Make them Equal Easy

Subarray Cost Sum Hard

Maths

Sell items Very Easy

Count Good Subsequences Medium

Predict Future! Easy

Consecutive Losses Hard

Binary Search

First Index Very Easy

Maximize matrix XOR Medium

Request X Chocolates Easy

Red Zone Hard

Strings

Check Palindrome Very Easy

Queries in Infinite String! Medium

Flipping String Easy

Text Editor Hard

Bit Manipulation

OR equal XOR Very Easy

Diagonally powerful Matrix Medium

Maximize the Matrix Easy

Bitwise AND Sum Hard

2 Pointers

Lexicographically largest Array Very Easy

Help Rishabh! Medium

At most Two Occurrences! Easy

Scaler Subarrays II Hard

Linked List + Stacks & Queues

Replace With Factors! Very Easy

Prime calculations Medium

Ticket Counter Easy

Coin Queue Hard

Backtracking

4 number with highest xor Very Easy

Super Array Medium

Make The Array Empty Easy

Grid Paths Hard

Hashing

Clear the Array Very Easy

Similar Pairs Medium

Equal Array Easy

Anagram Match Hard

Heaps & Segment Tree

Meeting Point Very Easy

Range of the Array Medium

Magical Pool and Items Easy

Range Shopping Hard

Binary Trees & Trie

BST Sum Very Easy

Max Base Pair Medium

Unequal Ancestor Easy

Prefix with key greater than X Hard

DP & Greedy

Turn on the Bulbs Very Easy

Yet another string operation problem Medium

Maximum xor with Min X Easy

Valid Parentheses Again Hard

Graphs

Kingdom of Friendship Very Easy

Shortest in Shortest Medium

Strengthen It Easy

Jackpot queries Hard