NAVAL KUMAR

• Username: 2★naval153
• Country:  India
• Student/Professional:Student
• Institution:Motilal Nehru National Institute of Technology Allahabad Uttar Pradesh, 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: 14

Current Ratings Graph Old Ratings Graph

1465 (-12)RatingProvisional
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April Lunchtime 2021 Division 2(2021-04-30 22:30:02)

Global Rank:   3567

Cheated in:   

Ratings System Update

(2021-04-30 22:30:02)

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

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1465 (-164)RatingProvisional
Rating i Provisional Rating, click to know more

April Lunchtime 2021 Division 2(2022-12-20 00:00:00)

Global Rank:   3567

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 (14)

August Challenge 2019 Division 2

Football, Distribute Apples, Zombie and the Caves, Dilemma

September Lunchtime 2019 Division 2

Chef Feeds Cats, Chef and Football Match

October Challenge 2019 Division 2

Even Edges, Chef and Maximum Star Value, Array Modification, Operations on a Matrix, Phone Prices

November Challenge 2019 Division 2

Smallest Beautiful Number, Chef and Minimum Colouring, Weapon Value, From Zero to Infinity, Hard Sequence, Physical Exercise

September Challenge 2020 Division 2

A Problem on Sticks

October Challenge 2020 Division 2

Covid Run

December Challenge 2020 Division 2

Positive Prefixes, Even Pair Sum, Vaccine Distribution

September Lunchtime 2020 Division 2

GCD operations, Watermelon

January Challenge 2021 Division 3

Fair Elections, Encoded String, Chef and Division 3, Point Of Impact

January Lunchtime 2021 Division 3 (Unrated)

Ashishgup and Interviews, Pair Me, Binary Subsequence, Even Differences, Even Sum

February Challenge 2021 Division 3

Frog Sort, Maximise Function, Highest Divisor

February Lunchtime 2021 Division 3

Smallest Possible Whole Number, Daanish and Problems

March Challenge 2021 Division 3

Interesting XOR!, Chef and Groups, Consecutive Adding, Space Arrays, No Time to Wait

April Lunchtime 2021 Division 2

Chef in Heaven , Bench Press

April CodeChef Starters 2021 Division 3 (Rated)

Maximum Size, Thief and Police, Chef On Island, Hiring Test

Total Problems Solved: 77