#bit
Title: 191. Number of 1 Bits
URL: leetcode
Level: Easy

#stack
Title: 155. Min Stack
URL: leetcode
Level: medium

#disjoint_set #union_find

Title: 261. Graph Valid Tree
URL: leetcode
Level: medium

Title: 1971. Find if Path Exists in Graph
URL: leetcode
Level: medium
DFS aproach
not my own solution, leaving here for reference

Graphga oid masalalar yechimi juda chiroyli va kompaktniy koddagi ko'rinishi. Lekin uni qanday ishlavotganini tushunish va tushuntirish ohho bir olamdek🙈🙈😭

BFS approach for https://t.iss.one/solutions_py/200


https://t.iss.one/solutions_py

#heap
Title: 215. Kth Largest Element in an Array
URL: leetcode.com
Level: Medium

#heap
Title: 347. Top K Frequent Elements
URL: leetcode.com
Level: Medium

#heap
Title: 703. Kth Largest Element in a Stream
URL: leetcode.com
Level: Easy

#heap
Title: 253. Meeting rooms 2
URL: leetcode.com
Level: Medium

#heap
Title: 1046. Last Stone Weight
URL: leetcode.com
Level: Easy

#heap
Title: 1167. Minimum Cost to Connect Sticks
URL: leetcode.com
Level: Medium

My latest accomplishment these days😎😎

Another 50 days Badge for 2024.
To be honest I haven't been solving problems for the last 3 months, and today this image is appearing after long time break😊😊 It made my day.

Title: 345. Reverse Vowels of a String
Level: Easy

Title: 2390. Removing Stars From a String
Level: Medium

Title: 394. Decode String
Level: Medium
#stack

Title: 1456. Maximum Number of Vowels in a Substring of Given Length
Level: Medium
#sliding_window

Did you know that you can find and solve leetcode premium problems in lintcode.com with free access?
For example:
Premium: https://leetcode.com/problems/encode-and-decode-strings/description/
https://www.lintcode.com/problem/659/

125. Valid Palindrome: https://leetcode.com/problems/valid-palindrome/description/
Idea from Neetcode: https://youtu.be/jJXJ16kPFWg

One more small achievement