Mohammad Hossein’s Tech Notes

Notes on LeetCode, interview prep, machine learning, and scientific computing.

Mastering LeetCode Problem 0167

LeetCode Daily Challenge_Two Sum II - Input Array Is Sorted

11 min read · 2026

Mastering LeetCode Problem 0680

LeetCode Daily Challenge_Valid Palindrome II

12 min read · 2026

Mastering LeetCode Problem 0344

LeetCode Daily Challenge_Reverse String

10 min read · May 05, 2026

2026 · TwoPointers String · LeetCode-Problems
Mastering LeetCode Problem 0283

LeetCode Daily Challenge_Move Zeroes

12 min read · May 04, 2026

2026 · Array TwoPointers · LeetCode-Problems
Mastering LeetCode Problem 0088

LeetCode Daily Challenge_Merge Sorted Array

13 min read · May 04, 2026

2026 · Array TwoPointers Sorting · LeetCode-Problems
Mastering LeetCode Problem 0027

LeetCode Daily Challenge_Remove Element

10 min read · May 03, 2026

2026 · Array TwoPointers · LeetCode-Problems
Mastering LeetCode Problem 0026

LeetCode Daily Challenge_Remove Duplicates from Sorted Array

9 min read · May 03, 2026

2026 · Array TwoPointers · LeetCode-Problems