Naveen L S

• Username: 5★naveenls
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology Madras
• CodeChef Pro Plan: No Active Plan. View Details

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

Rating Graph

No. of Contests Participated: 23

Current Ratings Graph Old Ratings Graph

2078 (+44)RatingProvisional
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February Lunchtime 2022 Division 1(2022-03-01 23:00:00)

Global Rank:   63

Cheated in:   

Ratings System Update

(2022-03-01 23:00:00)

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2078 (-166)RatingProvisional
Rating i Provisional Rating, click to know more

February Lunchtime 2022 Division 1(2022-12-20 00:00:00)

Global Rank:   63

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 (23)

February Challenge 2019 Division 2

Manhattan Rectangle, Guess It Right, Chef and Magical Jars, Chef and Secret Ingredients, Appy and Contest, (Challenge) Chef with Orchestra in the Kitchen, Art of Balance, Deputy Chef

March Challenge 2019 Division 2

Chef got Recipes, Chef and Number Game, Chef and a Beautiful Digit

June Challenge 2020 Division 2

The Tom and Jerry Game!

July Challenge 2020 Division 2

Ada King, Chefina and Swaps, Chef and Dragon Dens, Missing a Point, Doctor Chef, Chef and Card Game, Chef and Strings

August Challenge 2020 Division 2

Insanely Hard School Exams, Subsequence Frequency Counting, Chef Wars - Return of the Jedi, Another Card Game Problem, Chef and Linear Chess, Smallest KMP, Chef and Wedding Arrangements

September Challenge 2020 Division 2

A Problem on Sticks, Chef and Trump Cards, Find XOR, Ada Matrix, Coronavirus Spread 2

November Challenge 2020 Division 1

Restore Sequence

January Challenge 2021 Division 2

Chef and Ants, Guess the Tiling, Expected Number of SCCs, Blackjack, Watching CPL, Fair Elections

December Challenge 2020 Division 1

String Operations

November Cook-Off 2020 Division 1

Flip the String, Chef and IPC Certificates, Hiring Workers

November Lunchtime 2020 Division 1

Gasoline

September Lunchtime 2020 Division 2

GCD operations, Root the Tree, Robot Detector, Watermelon

February Challenge 2021 Division 2

Frog Sort, Team Name, Another Tree with Number Theory, Prime Game, Multiple Games, XOR Sums, Maximise Function

February Lunchtime 2021 Division 1

Average Sorting, Sed Max

March Challenge 2021 Division 1

Paparazzi Gennady, Space Arrays, Maximum Topological Sort

May Lunchtime 2021 Division 1

Total Components, K-Subarrays

July Cook-Off 2021 Division 1

Beautiful Subsequence, Mod Equality, Hidden Colored Graph

August Challenge 2021 Division 1 (Unrated)

Special Triplets, Array Filling, Chef and Bulb Invention, Charge Scheduling, Problem Difficulties, Olympics Ranking

August Cook-Off 2021 Division 1

Different String, Clear the Array

August Lunchtime 2021 Division 1

Bunny Hops, Just a Graph

September Challenge 2021 Division 1 (Unrated)

XOR Equal, Shuffling Parities, Minimize Digit Sum, Treasure Hunt, 2-D Point Meeting, Airline Restrictions, Travel Pass

September Cook-Off 2021 Division 1

Chef and Pairwise Distances, Fake Swaps

SnackDown 2021 - Online Qualifiers

Lucky Number

SnackDown 2021 - Online Round 1B

Queens Placement , Largest Laddu, Help Nishant

December Challenge 2021 Division 1 (Unrated)

Yet Another Tree Problem, Min Manhattan Distance

December Cook-Off 2021 Division 1

Binary String Game, Destructive Nim, RGB Construction, Break the Balance

Infinity 2k21 Division 1 (Unrated)

Marbles, Ddakji, Tug of War, Escape Plan, Hopscotch

January Lunchtime 2022 Division 1

Permutation XOR Sum

February Lunchtime 2022 Division 1

Chef Cooks Permutation, Visit Them All, Magnet Sort

Total Problems Solved: 169