Abhishek Kumar

• Username: 4★illusion_ist
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology, Jodhpur Rajasthan, India
• 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: 27

Current Ratings Graph Old Ratings Graph

1856 (+12)RatingProvisional
Rating i Provisional Rating, click to know more

October Cook-Off 2016(2016-10-24 00:00:00)

Global Rank:   372

Cheated in:   

Ratings System Update

(2016-10-24 00:00:00)

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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1856 (-33)RatingProvisional
Rating i Provisional Rating, click to know more

October Cook-Off 2016(2022-12-20 00:00:00)

Global Rank:   372

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 (27)

January Challenge 2014

Please like me, Bon Appetit, Chef and Feedback

October Cook-Off 2014

The Army, Walk on the Axis

December Cook-Off 2014

Good Joke!

February Challenge 2014

Longest Common Pattern, Little Elephant and Subarrays

March Challenge 2014

Walk, Little Chef and Numbers

April Challenge 2014

Farmer Feb, Shortest Path in Binary Trees

May Challenge 2014

Compilers and Parsers, Stone, Chef-jumping

June Challenge 2014

Chef and Subarray, Guessing Game, Forgot Password

July Challenge 2014

Dish Owner, Reach The Point, Chef and Rectangle Genome, Chef and Frogs, Garden Game, Count Substrings

August Challenge 2014

The Leaking Robot, Chef and Gift

September Challenge 2014

Chef and Rainbow Array - 2, Chef and Left-Right, Chef and sequence, Fun with Rotation

October Challenge 2014

Remy paints the fence, DevuLand, Dinosaurs and Laddus, Magical Girl and Colored Liquid Potions, Chef and Square, Chef and Painting, Chef and Ground

November Challenge 2014

The Spelling Problem, Let us construct palindrome, Chef and Red Black Tree, Chef and Segment Game, Distinct Characters Subsequence

December Challenge 2014

XOR with Subset, Chef and Apple Trees, Alok-nath and His Sanskars

June Lunchtime 2014

The Smallest Pair

January Challenge 2015

Gcd Queries, One Dimensional Kingdoms, Sereja and Votes, Chef and Stones, Chef and A Large Permutation, Sereja and Number Division 2

February Challenge 2015

Chef and Chain, Chef and Strange Formula, Chef and Strings, Let us play with rank list, Jigsaw Puzzle Solving, Chef and Equality

May Challenge 2015

Chef and new recipe, Chef and Prime Divisors, Devu and binary String, Set Difference

June Challenge 2015

Steady tables, Chef and His Friend, Chef and Memory Limit, Chef and Polygons, Chef and String

August Challenge 2015

Cooking Machine, Aditi and Magic Trick, Gravity Guy, Way Out

February Cook-Off 2015

Fit Squares in Triangle

August Cook-Off 2015

Chef and the XORed Number , Chef and the Wildcard Matching

September Mega Cook-Off 2015

Forgotten Language, Stacks

October Cook-Off 2016

Watson asks Does Permutation Exist, ChefWatson uses Social Network

Total Problems Solved: 111