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Find Numbers With Even Number Of Digits | Multiple Ways | Leetcode 1295 | codestorywithMIK

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Hi Everyone, this is the 83rd video of our Playlist "Leetcode Easy".
Now we will be solving an Easy problem on Array - Find Numbers With Even Number Of Digits | Multiple Ways | Leetcode 1295 | codestorywithMIK

We will solve it using multiple ways. Counting digits can be done in many ways and we will discuss them in this video.

Problem Name : Find Numbers With Even Number Of Digits | Multiple Ways | Leetcode 1295 | codestorywithMIK
Company Tags : will update later
Code Github(C++ & JAVA) - github.com/MAZHARMIK/Interview_DS_Algo/blob/master…
Leetcode Link : leetcode.com/problems/find-numbers-with-even-numbe…


My DP Concepts Playlist :    • Roadmap for DP | How to Start DP ? | Topic...  
My Graph Concepts Playlist :    • Graph Concepts & Qns - 1 : Graph will no m...  
My Segment Tree Concepts Playlist :    • Segment Tree | Introduction | Basics | Bui...  
My Recursion Concepts Playlist :    • Introduction | Recursion Concepts And Ques...  
Trie Playlist -    • Word Search II (Google, Amazon, Meta, Micr...  
Difference Array Technique: Concepts & Qns :    • Introduction | What | How | Difference Arr...  
My GitHub Repo for interview preparation : github.com/MAZHARMIK/Interview_DS_Algo
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Video Summary :
Approach-1 (Using simple loop and counting digits):
Counts digits of each number by repeatedly dividing by 10 and checks if the count is even.

Approach-2 (Converting to string):
Converts each number to a string and checks if the string length (number of digits) is even.

Approach-3 (Using floor):
Uses the mathematical formula floor(log10(num)) + 1 to determine digit count and checks for evenness.

Approach-4 (Using ceil):
Applies ceil(log10(num + 1)) to approximate digit count and checks if it’s even.

Approach-5 (Using constraints):
Uses known numeric ranges with even digits to directly check if a number belongs to one of those ranges.

✨ Timelines✨
00:00 - Introduction
0:23 - Motivation
0:49: - Problem Explanation
1:50 - Approach-1
3:37 - Approach-2
4:46 - Approach-3
6:03 - Approach-4
6:41 - Approach-1

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