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update_leetcode.py
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LeetCode Practice Tracker

This repository tracks my daily LeetCode practice problems.

Progress

Metric Value
Total Problems 99
Days Completed 50
Last Updated 2025-06-18 16:15:27

Problems

Day 50

Problem Difficulty Solution
Break a Palindrome Medium ✅

Day 49

Problem Difficulty Solution
Count Primes Medium ✅
Single Number Easy ✅

Day 48

Problem Difficulty Solution
Check If It Is a Good Array Hard ✅
Hamming Distance Easy ✅

Day 47

Problem Difficulty Solution
Number of 1 Bits Easy ✅
Number of Substrings Containing All Three Characters Medium ✅

Day 46

Problem Difficulty Solution
Find Center of Star Graph Easy ✅
Prime Number of Set Bits in Binary Representation Easy ✅

Day 45

Problem Difficulty Solution
Find the Town Judge Easy ✅
Greatest Common Divisor of Strings Easy ✅

Day 44

Problem Difficulty Solution
Convert Sorted List to Binary Search Tree Medium ✅
Maximum Number of Vowels in a Substring of Given Length Medium ✅

Day 43

Problem Difficulty Solution
Kth Smallest Element in a BST Medium ✅
Zigzag Conversion Medium ✅

Day 42

Problem Difficulty Solution
Reverse Words in a String Medium ✅
Validate Binary Search Tree Medium ✅

Day 41

Problem Difficulty Solution
Delete Node in a BST Medium ✅
Longest Common Prefix Easy ✅

Day 40

Problem Difficulty Solution
Lowest Common Ancestor of a Binary Search Tree Medium ✅
Rotate String Easy ✅

Day 39

Problem Difficulty Solution
Insert into a Binary Search Tree Medium ✅
Remove All Adjacent Duplicates In String Easy ✅

Day 38

Problem Difficulty Solution
Search in a Binary Search Tree Easy ✅
Valid Palindrome Easy ✅

Day 37

Problem Difficulty Solution
Binary Tree Zigzag Level Order Traversal Medium ✅
Find First Palindromic String in the Array Easy ✅

Day 36

Problem Difficulty Solution
Reverse Vowels of a String Easy ✅
Sum Root to Leaf Numbers Medium ✅

Day 35

Problem Difficulty Solution
Lowest Common Ancestor of a Binary Tree Medium ✅
Number of Segments in a String Easy ✅

Day 34

Problem Difficulty Solution
Flatten Binary Tree to Linked List Medium ✅
Length of Last Word Easy ✅

Day 33

Problem Difficulty Solution
Binary Tree Right Side View Medium ✅
Lexicographically Smallest Palindrome Easy ✅

Day 32

Problem Difficulty Solution
Binary Tree Level Order Traversal Medium ✅
Rotate Image Medium ✅

Day 31

Problem Difficulty Solution
Flipping an Image Easy ✅
Maximum Depth of Binary Tree Easy ✅

Day 30

Problem Difficulty Solution
Diameter of Binary Tree Easy ✅
Find the Duplicate Number Medium ✅

Day 29

Problem Difficulty Solution
Kth Largest Element in an Array Medium ✅
Sum of Left Leaves Easy ✅

Day 28

Problem Difficulty Solution
Minimum Depth of Binary Tree Easy ✅
Number of Subarrays With LCM Equal to K Medium ✅

Day 27

Problem Difficulty Solution
Maximum Subarray Medium ✅
Path Sum Easy ✅

Day 26

Problem Difficulty Solution
Binary Tree Inorder Traversal Easy ✅
Find First and Last Position of Element in Sorted Array Medium ✅

Day 25

Problem Difficulty Solution
Implement Stack using Queues Easy ✅
Rotate Array Medium ✅

Day 24

Problem Difficulty Solution
Basic Calculator Hard ✅
Move Zeroes Easy ✅

Day 23

Problem Difficulty Solution
Longest Valid Parentheses Hard ✅
Search Insert Position Easy ✅

Day 22

Problem Difficulty Solution
Majority Element Easy ✅
Minimum Remove to Make Valid Parentheses Medium ✅

Day 21

Problem Difficulty Solution
Pascal's Triangle II Easy ✅
Valid Parenthesis String Medium ✅

Day 20

Problem Difficulty Solution
Evaluate Reverse Polish Notation Medium ✅
Find Greatest Common Divisor of Array Easy ✅

Day 19

Problem Difficulty Solution
Best Time to Buy and Sell Stock Easy ✅
Valid Parentheses Easy ✅

Day 18

Problem Difficulty Solution
Contains Duplicate Easy ✅
Implement Queue using Stacks Easy ✅

Day 17

Problem Difficulty Solution
Min Stack Medium ✅
Two Sum Easy ✅

Day 16

Problem Difficulty Solution
Delete Node in a Linked List Medium ✅
Sum of Square Numbers Medium ✅

Day 15

Problem Difficulty Solution
Add Two Numbers Medium ✅
Excel Sheet Column Title Easy ✅

Day 14

Problem Difficulty Solution
Partition List Medium ✅
Reverse Integer Medium ✅

Day 13

Problem Difficulty Solution
Remove Duplicates from Sorted List II Medium ✅
Sign of the Product of an Array Easy ✅

Day 12

Problem Difficulty Solution
Count Odd Numbers In An Interval Range Medium ✅
Insert Greatest Common Divisors In Linked List Medium ✅

Day 11

Problem Difficulty Solution
Factorial Trailing Zeroes Medium ✅
Remove Nth Node From End Of List Medium ✅

Day 10

Problem Difficulty Solution
Bulb Switcher Medium ✅
Delete The Middle Node Of A Linked List Medium ✅

Day 9

Problem Difficulty Solution
Nth Digit Medium ✅
Swapping Nodes In A Linked List Medium ✅

Day 8

Problem Difficulty Solution
Excel Sheet Column Number Medium ✅
Odd Even Linked List Medium ✅

Day 7

Problem Difficulty Solution
Plus One Easy ✅
Rotate List Medium ✅

Day 6

Problem Difficulty Solution
Happy Number Medium ✅
Remove Linked List Elements Medium ✅

Day 5

Problem Difficulty Solution
Palindrome Linked List Easy ✅
Valid Perfect Square Easy ✅

Day 4

Problem Difficulty Solution
Linked List Cycle Easy ✅
Palindrome Number Easy ✅

Day 3

Problem Difficulty Solution
Merge Two Sorted Lists Easy ✅
Perfect Number Easy ✅

Day 2

Problem Difficulty Solution
Add Digits Easy ✅
Middle Of The Linked List Easy ✅

Day 1

Problem Difficulty Solution
Missing Number Easy ✅
Reverse Linked List Easy ✅

About

This project organizes my LeetCode practice by day, tracking progress over time.

About

Solutions of Leetcode problems I solved

Topics

python3 dsa dsa-practice dsa-python

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