AMBUJ KUMAR

• Username: 1★ambuj501
• Country:  India
• Student/Professional:Student
• Institution:National Institute of Technology, Delhi 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: 12

Current Ratings Graph Old Ratings Graph

1348 (-70)RatingProvisional
Rating i Provisional Rating, click to know more

September Challenge 2020 Division 2(2020-09-14 15:00:02)

Global Rank:   20310

Cheated in:   

Ratings System Update

(2020-09-14 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?

1348 (-48)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   20310

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 (12)

December Challenge 2018 Division 2

Chef and Interactive Contests

November Challenge 2018 Division 2

Chef and Difficult Contests

October Challenge 2018 Division 2

Chef and Serves, Byte to Bit

January Challenge 2019 Division 2

Lucky Number Game, Distinct Pairs, Chef and Modulo Game, Fancy Quotes

February Challenge 2019 Division 2

Chef and Magical Jars, Chef and Secret Ingredients, Appy and Contest, Deputy Chef

August Challenge 2019 Division 2

Guddu and his Mother, Zombie and the Caves, Distribute Apples, Football, Dilemma

September Challenge 2019 Division 2

Easy Fibonacci, Chef and Interesting Subsequences

October Challenge 2019 Division 2

Operations on a Matrix, Phone Prices

August Challenge 2020 Division 2

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

Total Problems Solved: 46