
Pritam Chauhan
@Im_pritam18
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Techie @Fareye π₯οΈ | Sharing what I learn π» | Growing a little every day πͺπ
Ahmadabad City, India
Joined August 2022
DAY 1 / 90.β
Taking @akshaymarch7 3 months challenge.β
Completed 3 question from leetcode.β
Did one medium DSA question from @striver_79 sheet. @TheArnabSaha your post really motivates. #100DaysOfCode #javascript30 #datastructures #namasteDSA
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Posting after 10 days.Will continue from day 46 of becoming a better computer science engineer and be better at Math π.#computerscience #mathematics.#DSA
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Day 45 / 100 @akshaymarch7 challenge.β
Problem Solved: Two Sum (Optimized Approach).β
Approach: Hash Map for O(n) time.β’ Stored visited numbers with their indices.β’ Checked complement in constant time.Result: Efficient, clean, and scalable solution π‘.#DSA #100DaysOfCode
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Day 44/100.β
Problem Solved: First Missing Positive.β
Approach: In-place swapping (index mapping).β’ Swapped elements to their correct positions.β’ Achieved O(n) time & O(1) extra space.β’ Powerful example of in-place data organization π‘.#LeetCode #JavaScript #100DaysCode
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Day 43 of #100DaysOfCode.β
Problem Solved: Best Time to Buy and Sell Stock II.β
Approach: Greedy Algorithm.β’ Tracked daily price changes π.β’ Added all profitable trades without overcomplicating.#LeetCode #JavaScript #ProblemSolving #100DaysOfCode
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Day 42 / 100.β
Problem Solved: Summary Ranges.β
Approach: Iteration + Range Tracking.β’ Identified consecutive number sequences π.β’ Managed start and end pointers efficiently.β’ Edge cases matterβsingle elements need separate handling.#LeetCode #JavaScript #100DaysOfCode
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How to get remote job.
How I Went from Being βNobodyβ in India to Earning $100K+ as a Remote Engineer π (Roadmap π§΅) . It all started in 2023 when I watched a video on remote work by @kirat_tw and it turned out to be the best decision of my career. Here's why. π
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Day 41 of #100DaysOfCode.β
Problem Solved: 3Sum.β
Approach: Sorting + Two Pointers.β’ Sorting simplifies duplicate handling π.β’ Careful duplicate skipping avoids redundant triplets.Another tricky problem down, one step closer to mastering arrays π.#LeetCode #JavaScript
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Sometimes revisiting old problems makes you realize how much youβve grown π.#LeetCode #JavaScript #CodingJourney #100DaysChallenge #MathInCode.
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Day 40 of #100DaysOfCode.β
Revisited: Pascalβs Triangle.β
Approach: Mathematical (nCr formula).β
Learning:.β’ Refreshed understanding of combinations logic π.β’ Iterative calculation instead of precomputed factorials
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Day 39 / 100 of @akshaymarch7's challenge.β
Problem Solved: Search in Rotated Sorted Array .β’ Simple loop to check each element.β’ Time complexity O(n) β works, but inefficient β‘.β’ Next step: Implement Binary Search for O(log n) speed .#LeetCode #JavaScript #100DaysOfCode
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It's over for frontend dev ? π₯²π€π€.#gpt5 #gpt5api @akshaymarch7 @piyushgarg_dev @Hiteshdotcom @striver_79
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Day 38 / 100 of @akshaymarch7 challenge.β
Problem Solved: Happy Number.β
Learning:.β’ Used a while(1) infinite loop to keep checking sums.β’ Detected cycles using an object as a set.β’ Broke the loop once 1 was reached or cycle detected.#LeetCode #100DaysOfCode
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RT @Im_pritam18: β
Day 37 of #100DaysChallenge.β
Problem Solved: Remove Duplicates from Sorted.β
Approach: Used Set, nested loops, and in-pβ¦.
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RT @CompSciFact: Saw a study that said inexperienced and experienced programmers write about the same number of lines of code per day. Theβ¦.
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Grind never stops.β
solved Find the repeating and missing number @takeUforward_ plus.π―how's the TIME COMPLEXITY @takeUforward_
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Day 37 of #100DaysChallenge.β
Problem Solved: Remove Duplicates from Sorted.β
Approach: Used Set, nested loops, and in-place updates.β
Learning:.β’ The solution works but isn't optimal.β’ Will work on time complexity.#LeetCode #CodeNewbie #JavaScript #BuildInPublic
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Day 36 / 100.β
Solved βFind Missing and Repeated Valuesβ π§©.β
Implemented using frequency array approach.β
Tracked counts with .fill(0) and looped over the 2D grid.How would you optimize this without extra space?.#LeetCode #JavaScript #ProblemSolving #BuildInPublic
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Day 35 of #100DaysOfCode.β
Solved βDuplicate Zerosβ on @LeetCode.β
Used extra space with two-pointer approach. Whatβs your take on in-place array manipulation?.#LeetCode #JavaScript #CodingChallenge #WebDev #BuildInPublic
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