Common Coding Interview Mistakes

Practice vs Talent, and Deliberate Practice

Interviews, Competitive Programming & Vibe Coding (w Ex-Google Competitive Programmer)

Make Sum Divisible by P - Leetcode 1590 - Python

Minimum Operations to Make Array Sum Divisible by K - Leetcode 3512 - Python

Maximum Number of K-Divisible Components - Leetcode 2872 - Python

Maximum Subarray Sum With Length Divisible by K - Leetcode 3381 - Python

Paths in Matrix Whose Sum Is Divisible by K - Leetcode 2435 - Python

Don't set yourself up for Failure

Smallest Integer Divisible by K - Leetcode 1015 - Python

Binary Prefix Divisible By 5 - Leetcode 1018 - Python

Maybe some people should just give up

Greatest Sum Divisible by Three - Leetcode 1262 - Python

Find Minimum Operations to Make All Elements Divisible by Three - Leetcode 3190 - Python

Unique Length 3 Palindromic Subsequences - Leetcode 1930 - Python

Set Intersection Size At Least Two - Leetcode 757 - Python

Keep Multiplying Found Values by Two - Leetcode 2154 - Python

1-bit and 2-bit Characters - Leetcode 717 - Python

Check If All 1's Are at Least Length K Places Away - Leetcode 1437 - Python

Number of Substrings With Only 1s - Leetcode 1513 - Python

Count the Number of Substrings With Dominant Ones - Leetcode 3234 - Python

Increment Submatrices by One - Leetcode 2536 - Python

Maximum Number of Operations to Move Ones to the End - Leetcode 3228 - Python

Minimum Number of Operations to Make All Array Elements Equal to 1 - Leetcode 2654 - Python

Ones and Zeroes - Leetcode 474 - Python

Minimum Operations to Convert All Elements to Zero - Leetcode 3542 - Python

Count Operations to Obtain Zero - Leetcode 2169 - Python

Minimum Number of One Bit Operations to Make Integers Zero - Leetcode 1611 - Python

Maximize the Minimum Powered City - Leetcode 2528 - Python

Power Grid Maintenance - Leetcode 3607 - Python

Find X-Sum of All K-Long Subarrays II - Leetcode 3321 - Python

Find X-Sum of All K-Long Subarrays I - Leetcode 3318 Python

Minimum Time To Make Rope Colorful - Leetcode 1578 - Python

Count Unguarded Cells in the Grid - Leetcode 2257 - Python

Delete Nodes From Linked List Present in Array - Leetcode 3217 - Python

The Two Sneaky Numbers of Digitville - Leetcode 3289 - Python

Minimum Number of Increments on Subarrays to Form a Target Array - Leetcode 1526 - Python

Smallest Number With All Set Bits - Leetcode 3370 - Python

Design Leetcode - System Design Interview

Design Spotify Top K Songs - System Design Interview

Design Google Docs - System Design Interview

Design a URL Shortener (Bitly) - System Design Interview

Time for a Change

Valid Word Abbreviation - Leetcode 408 - Python

Buildings With an Ocean View - Leetcode 1762 - Python

Binary Tree Vertical Order Traversal - Leetcode 314 - Python

Count Good Triplets - Leetcode 1534 - Python

Count Good Numbers - Leetcode 1922 - Python

Partition Equal Subset Sum - Leetcode 416 - Python

Largest Divisible Subset - Leetcode 368 - Python

Sum of All Subsets XOR Total - Leetcode 1863 - Python

Lowest Common Ancestor of Deepest Leaves - Leetcode 1123 - Python

Maximum Value of an Ordered Triplet II - Leetcode 2874 - Python

Maximum Value of an Ordered Triplet I - Leetcode 2873 - Python

Solving Questions with Brainpower - Leetcode 2140 - Python

Put Marbles in Bags - Leetcode 2551 - Python

Partition Labels - Leetcode 763 - Python

Apply Operations to Maximize Score - Leetcode 2818 - Python

Maximum Number of Points From Grid Queries - Leetcode 2503 - Python

Minimum Index of a Valid Split - Leetcode 2780 - Python