NEERAJ KUMAR

• Username: 4★mathforce
• Country:  India
• Student/Professional:Student
• Institution:Army Institute of Technology Pune, Maharashtra, 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: 16

Current Ratings Graph Old Ratings Graph

1880 (+16)RatingProvisional
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January Cook-Off 2021 Division 2(2021-01-25 00:30:02)

Global Rank:   423

Cheated in:   

Ratings System Update

(2021-01-25 00:30:02)

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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1880 (-66)RatingProvisional
Rating i Provisional Rating, click to know more

January Cook-Off 2021 Division 2(2022-12-20 00:00:00)

Global Rank:   423

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 (16)

January Challenge 2019 Division 2

Chef and Modulo Game

February Challenge 2019 Division 2

Chef and Magical Jars, Chef and Secret Ingredients, Appy and Contest, Art of Balance, Deputy Chef

March Challenge 2019 Division 2

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

Coders' Legacy 2019 (Rated for all)

Bathwater, IPL and RCB

April Challenge 2019 Division 2

Maximum Remaining, Fencing, Subtree Removal, Friend or Girlfriend, Playing with Numbers

September Challenge 2019 Division 1

Fuzzy Linear Combinations, Chef Designed a Network

December Challenge 2019 Division 1

Chefina and Ranges, Addition

Alkhwarizm (Rated for all)

Weirwood Trees, Danny Wants To Know

February Challenge 2020 Division 1

No Change Required, Long Contest and Cook Off Overlaps, (Challenge) Raisins, Hard Cash, The Theatre Problem, Chef and Railway Stations, School of Geometry

UWCOI 2020 (Rated for all)

Button Pairs, Find maximum in an Array, Mercury Poisoning

July Cook-Off 2020 Division 1

Even-tual Reduction

August Cook-Off 2020 Division 2

Chef and Work, K-Foldable String

January Cook-Off 2021 Division 2

Maximise Islands, Prime Tuples

October Cook-Off 2020 Division 2

Split the Str Ing, Decreasing Srrnmieeda, Path-etic Sums

October Lunchtime 2020 Division 1

Chef Likes Good Sequences, Chef Is Just Throwing Random Words, Cute Chef Gift

Coders' Legacy (Rated for all)

Chef vs Doof, Doof on Cartesian, Doof fires Brackets

Total Problems Solved: 99