Sachin Lalwani

• Username: 3★sachin084
• Country:  India
• Student/Professional:Professional
• Organisation:Amazon Development Center, Bangalore, India
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2026 (Jan-Jun)2025 (Jul-Dec)2025 (Jan-Jun)

Rating Graph

No. of Contests Participated: 17

Current Ratings Graph Old Ratings Graph

1696 (-33)RatingProvisional
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Starters 178 (Rated)(2025-03-19 22:15:02)

Global Rank:   1735

Cheated in:   

Ratings System Update

(2025-03-19 22:15:02)

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1729 (-125)RatingProvisional
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CodeChef Starters 29 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   1036

Cheated in:   

Ratings System Update

(2022-12-20 00:00:00)

This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more

How the rating system works?

Learning Paths (0)

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Practice Paths (0)

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Contests (17)

March Challenge 2021 Division 3

Space Arrays, Chef and Groups, No Time to Wait

March CodeChef Starters 2021 Division 3 (Rated)

Nobel Prize, Possible Victory

April Challenge 2021 Division 3

Chef and Dice, Valid Pair, World Record, Strong Language

April Cook-Off 2021 Division 3

Bodybuilder, Passing Marks, Chocolate Monger

April Lunchtime 2021 Division 3

Coldplay, Array Rotation, Equinox Strings, Chef in Heaven

May Cook-Off 2021 Division 3

Marathon, Vaccine Drive

May Lunchtime 2021 Division 2

Charges, Tom And Jerry 1

May Challenge 2021 Division 3 (Rated)

Xor Equality, Tic Tac Toe, Golf, Solubility

CodeChef Starters 19 Division 2 (Rated)

Indivisible Permutation, Distinct Elements

CodeChef Starters 22 Division 2 (Rated)

Equal LIS, Even Subset Xor, An Interesting Sequence

January Cook-Off 2022 Division 2

Palindromes Not Allowed, Mean Maximization, Subsegment Divisibility , Merged LIS

CodeChef Starters 23 Division 2 (Unrated)

Average of Three

January Lunchtime 2022 Division 2

Subarray permutations, Prefix Zeros

CodeChef Starters 24 Division 2 (Rated)

Anti Palindrome, Avoid Contact, Divisors and Reciprocals, Yet Another Constructive Problem

CodeChef Starters 25 Division 2 (Rated)

Equal MEX, Points and Lines, K Distinct Array, Building Towers

CodeChef Starters 26 Division 2 (Unrated)

Careless Chef, Control the Pollution

CodeChef Starters 27 Division 2 (Rated)

String Reverse, Distinct Binary Strings, Non Coprime Neighbours, The product mystery

CodeChef Starters 29 Division 2 (Rated)

String protocol, Plusle and Minun on Array, Decomposition Reaction

Starters 178 (Rated)

Placing 01 And 10

Total Problems Solved: 63