Programming Interviews Preparation

LeetCode 104. Maximum Depth of Binary Tree [Easy] Iterative
4:03
LeetCode 104. Maximum Depth of Binary Tree [Easy] Iterative
LeetCode 104. Maximum Depth of Binary Tree
2:01
LeetCode 104. Maximum Depth of Binary Tree
Longest K unique characters substring
4:47
Longest K unique characters substring
Leetcode 273. Integer to English Words - Hard
6:37
Leetcode 273. Integer to English Words - Hard
Leetcode 268. Missing Number - Easy
2:11
Leetcode 268. Missing Number - Easy
LeetCode 1832. Check if the Sentence Is Pangram [Easy]
3:37
LeetCode 1832. Check if the Sentence Is Pangram [Easy]
LeetCode 2270. Number of Ways to Split Array [Medium]
2:57
LeetCode 2270. Number of Ways to Split Array [Medium]
LeetCode 1004. Max Consecutive Ones III
3:36
LeetCode 1004. Max Consecutive Ones III
LeetCode 271. Encode and Decode Strings [Leetcode 150] [Medium]
5:10
LeetCode 271. Encode and Decode Strings [Leetcode 150] [Medium]
Leetcode 200. Number of Islands [Leetcode 150] [Medium]
5:01
Leetcode 200. Number of Islands [Leetcode 150] [Medium]
Leetcode 53. Maximum Subarray [Leetcode 150] [Medium]
5:29
Leetcode 53. Maximum Subarray [Leetcode 150] [Medium]
Leetcode 7. Reverse Integer [LeetCode 150]
6:55
Leetcode 7. Reverse Integer [LeetCode 150]
Leetcode 287. Find the Duplicate Number
6:55
Leetcode 287. Find the Duplicate Number
LeetCode 309. Best Time to Buy and Sell Stock with Cooldown
16:19
LeetCode 309. Best Time to Buy and Sell Stock with Cooldown
LeetCode 53 Maximum Subarray [Medium] [LeetCode150]
8:49
LeetCode 53 Maximum Subarray [Medium] [LeetCode150]
LeetCode 78 Subsets
9:40
LeetCode 78 Subsets
Design Dropbox/Google Drive [System Design Interview]
16:10
Design Dropbox/Google Drive [System Design Interview]
They asked me this question — what’s the difference between mutex and semaphore during an interview
5:05
They asked me this question — what’s the difference between mutex and semaphore during an interview
After Solving 400 Leetcode questions, I have gained valuable insights and lessons that have learned.
10:49
After Solving 400 Leetcode questions, I have gained valuable insights and lessons that have learned.
Leetcode 51 n queens
10:06
Leetcode 51 n queens
LeetCode 347. Top K Frequent Elements
4:51
LeetCode 347. Top K Frequent Elements
LeetCode 1498 Number of Subsequences That Satisfy the Given Sum Condition | Medium
12:24
LeetCode 1498 Number of Subsequences That Satisfy the Given Sum Condition | Medium
Sql interview question - Project Budget Error
6:34
Sql interview question - Project Budget Error
Leetcode 3, Longest Substring Without Repeating Characters, Medium
7:30
Leetcode 3, Longest Substring Without Repeating Characters, Medium
LeetCode 129 Sum Root to Leaf Numbers
3:19
LeetCode 129 Sum Root to Leaf Numbers
LeetCode 2194. Cells in a Range on an Excel Sheet
6:43
LeetCode 2194. Cells in a Range on an Excel Sheet
LeetCode 15 - 3 Sum
9:06
LeetCode 15 - 3 Sum
Leetcode 96 Unique Binary Search Trees - Medium
16:35
Leetcode 96 Unique Binary Search Trees - Medium
LeetCode 198 House Robber
8:52
LeetCode 198 House Robber
LeetCode 33 Search in Rotated Sorted Array
15:05
LeetCode 33 Search in Rotated Sorted Array