Abhishek Rustagi

• Username: 4★rustagiabhi007
• Country:  India
• Student/Professional:Professional
• Organisation:Amazon Development Center, Bangalore, 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: 24

Current Ratings Graph Old Ratings Graph

1855 (+38)RatingProvisional
Rating i Provisional Rating, click to know more

December Challenge 2020 Division 1(2020-12-14 15:00:00)

Global Rank:   243

Cheated in:   

Ratings System Update

(2020-12-14 15:00:00)

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?

1855 (-155)RatingProvisional
Rating i Provisional Rating, click to know more

December Challenge 2020 Division 1(2022-12-20 00:00:00)

Global Rank:   243

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 (24)

February Challenge 2018

Chef And The Patents, Chef And His Characters, Permutation and Palindrome, Car-pal Tunnel

November Cook-Off 2018 Division 2

Truth and Dare

May Challenge 2018 Division 2

Minimum Deletions, Xor Again

September Challenge 2018 Division 2

Magician versus Chef, War of XORs, Chef and Adventures

December Challenge 2018 Division 2

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

November Challenge 2018 Division 2

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

October Challenge 2018 Division 2

Byte to Bit, Chef and Serves, Minimize Digitsum

January Challenge 2019 Division 2

Lucky Number Game, Distinct Pairs, Chef and Modulo Game, Fancy Quotes, A Pizza Slice, Different Neighbours

February Challenge 2019 Division 2

Chef and Magical Jars, Deputy Chef, Art of Balance, Appy and Contest, Chef and Secret Ingredients, Guess It Right, Manhattan Rectangle

March Challenge 2019 Division 2

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

June Challenge 2020 Division 2

Chef and String, Chef and Price Control, The Tom and Jerry Game!, Even Matrix, Chef and Icecream

August Challenge 2020 Division 2

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

July Lunchtime 2020 Division 2

Chef and Steps, Maximum Candies

August Cook-Off 2020 Division 2

Chef and Work, Polygon Relationship

RECode 12.0 (Rated for all)

Chef and String, Chef and Numbers

October Challenge 2020 Division 2

Positive AND, Replace for X, Adding Squares, Covid Run, Chef and Easy Queries

November Challenge 2020 Division 2

Restore Sequence, Iron, Magnet and Wall, Magical Candy Store, Ada and Dishes

December Challenge 2020 Division 1

Hail XOR, Calculus, String Operations, Positive Prefixes, Even Pair Sum

October Cook-Off 2020 Division 1

Path-etic Sums

November Cook-Off 2020 Division 1

Flip the String, Chef and IPC Certificates, Graph Construction, Hiring Workers

October Lunchtime 2020 Division 2

AND Plus OR

September Lunchtime 2020 Division 2

GCD operations, Root the Tree, Watermelon

Total Problems Solved: 143