Neeraj Kumar Singh

• Username: 1★neeraj007
• Country:  India
• Student/Professional:Student
• Institution:Sinhagad Academy of Engineering, Kondhwa
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2025 (Jul-Dec)2025 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

Rating Graph

No. of Contests Participated: 37

Current Ratings Graph Old Ratings Graph

1398 (-10)RatingProvisional
Rating i Provisional Rating, click to know more

August Challenge 2020 Division 2(2020-08-17 15:00:02)

Global Rank:   15869

Cheated in:   

Ratings System Update

(2020-08-17 15:00:02)

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?

1398 (-53)RatingProvisional
Rating i Provisional Rating, click to know more

August Challenge 2020 Division 2(2022-12-20 00:00:00)

Global Rank:   15869

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 (37)

October Challenge 2013

Helping Lira

December Challenge 2013

Magic Pairs

December Cook-off 2013

Chef Goes Through Segments, Chef and Girlfriend

January Challenge 2014

Please like me, Chef and Feedback

January Cook-off 2014

Chef and the Cake I

February Cook-Off 2014

Chef and Remissness

October Cook-Off 2014

Walk on the Axis

November Cook-Off 2014

Brackets

July Challenge 2014

Count Substrings

August Challenge 2014

Chef and Gift

October Challenge 2014

Chef and Ground, Magical Girl and Colored Liquid Potions, DevuLand, Dinosaurs and Laddus

November Challenge 2014

Distinct Characters Subsequence

January Lunchtime 2014

Chef and String

February Challenge 2015

Chef and Chain, Chef and Equality

March Challenge 2015

Chef and Notebooks

April Challenge 2015

Broken Telephone, Chef and Piano Scales

May Challenge 2015

Chef and new recipe

June Challenge 2015

Chef and Memory Limit

July Challenge 2015

Na2a and lucky stone, Chef and Cube

November Challenge 2015

Chef and cakes

May Cook-Off 2015

Devu and friendship testing

July Cook-Off 2015

Cops and the Thief Devu

February Lunchtime 2015

Lucky Four

April Lunchtime 2015

Tickets

September Challenge 2016

Chef and digits of a number

August Challenge 2020 Division 2

Chef Wars - Return of the Jedi, Another Card Game Problem, Chef and Linear Chess

Total Problems Solved: 85