Abhinav Singh

• Username: 4★abhinav_2604
• Country:  India
• Student/Professional:Student
• Institution:Delhi Technological University New 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: 17

Current Ratings Graph Old Ratings Graph

1858 (+35)RatingProvisional
Rating i Provisional Rating, click to know more

April Challenge 2020 Division 2(2020-04-13 17:30:02)

Global Rank:   899

Cheated in:   

Ratings System Update

(2020-04-13 17:30:02)

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?

1858 (-10)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   899

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)

None

Practice Paths (0)

None

Contests (17)

September Challenge 2018 Division 2

Magician versus Chef

December Challenge 2018 Division 2

Max and Electrical Panel, Chef and An Ideal Problem, Chef and Interactive XOR, Chef and Interactive Contests

November Challenge 2018 Division 2

Chef and Ridges, Appy Loves One, Chef and Difficult Contests, Chef and Happiness

October Challenge 2018 Division 2

Chef and Serves, Byte to Bit

January Challenge 2019 Division 2

Lucky Number Game, Fancy Quotes

April Challenge 2019 Division 2

Subtree Removal, Fencing, Maximum Remaining, Friend or Girlfriend

April Cook-Off 2019 Division 2

Making a Meal, Chef Learning Hungarian Algorithm

August Challenge 2019 Division 2

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

September Challenge 2019 Division 2

Chef and Interesting Subsequences , Chef Designed a Network, Fuzzy Linear Combinations, Easy Fibonacci, Chef and Good Subsequences, Biladerim Icin

September Lunchtime 2019 Division 1

All Substrings, Find the Sum

October Challenge 2019 Division 1

Even Edges, Chef and Maximum Star Value, Array Modification

November Challenge 2019 Division 1

Physical Exercise, From Zero to Infinity

December Challenge 2019 Division 1

Chefina and Ranges, Binary XOR, Sticky Notes, Addition

January Challenge 2020 Division 1

Chef and Dynamo, Chefina and Prefix Suffix Sums, Doraemon

February Challenge 2020 Division 1

No Change Required

March Challenge 2020 Division 2

XOR Engine, Ada Bishop 2, Pintu and Fruits

April Challenge 2020 Division 2

Strange Number, Squared Subsequences, Ready Bitwise, Unit GCD, Sell All the Cars, Leaked Answers (Challenge), COVID Pandemic and Long Queue

Total Problems Solved: 66