Robina Li

Welcome to My Technical Blog

Exploring algorithms, data structures, and software engineering insights through LeetCode solutions in Python.
NOTE: This blog is still under construction and some python code blocks may not be rendered correctly when converted from C++ with AI.

169+ Problems Solved

3 Difficulty Levels

20+ Categories

[Medium] 1962. Remove Stones to Minimize the Total

leetcodemediumarraygreedyheap

Apr 21, 2026

[Medium] 2952. Minimum Number of Coins to be Added

leetcodemediumarraygreedysorting

Apr 21, 2026

[Medium] 2592. Maximize Greatness of an Array

leetcodemediumarraygreedysorting

Apr 20, 2026

[Medium] 2571. Minimum Operations to Reduce an Integer to 0

leetcodemediummathgreedybit-manipulation

Apr 19, 2026

[Medium] 2539. Count the Number of Good Subsequences

leetcodemediumstringcombinatoricsmathhash-map

Apr 18, 2026

[Medium] 329. Longest Increasing Path in a Matrix

leetcodemediummatrixdynamic-programmingdfs

All Posts

Apr 14, 2026

[Medium] 143. Reorder List

leetcodemediumlinked-listtwo-pointers

Apr 13, 2026

[Medium] 1353. Maximum Number of Events That Can Be Attended

leetcodemediumgreedyheapsortingscheduling

Apr 12, 2026

[Medium] 894. All Possible Full Binary Trees

leetcodemediumtreedynamic-programming

Apr 11, 2026

[Medium] 2342. Max Sum of a Pair With Equal Sum of Digits

leetcodemediumarrayhash-table

Apr 10, 2026

[Medium] 2365. Task Scheduler II

leetcodemediumarraysimulationhash-table

Apr 9, 2026

[Medium] 2461. Maximum Sum of Distinct Subarrays With Length K

leetcodemediumarraysliding-window

Apr 9, 2026

[Medium] 223. Rectangle Area

leetcodemediummathgeometry

Apr 8, 2026

[Medium] 382. Linked List Random Node

leetcodemediumlinked-listreservoir-sampling

Apr 7, 2026

[Medium] 1328. Break a Palindrome

leetcodemediumstringgreedy

Apr 6, 2026

[Medium] 2270. Number of Ways to Split Array

leetcodemediumarrayprefix-sum

Welcome to My Technical Blog

Latest Posts

All Posts