Gaurav Kumar

• Username: 4★devil_x
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Information Technology Bhopal Madhya Pradesh, 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: 15

Current Ratings Graph Old Ratings Graph

1962 (+50)RatingProvisional
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May Challenge 2021 Division 2 (Rated)(2021-05-17 15:00:02)

Global Rank:   1

Cheated in:   

Ratings System Update

(2021-05-17 15:00:02)

This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more

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1962 (-142)RatingProvisional
Rating i Provisional Rating, click to know more

May Challenge 2021 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   1

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 (15)

April Challenge 2020 Division 2

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

May Challenge 2020 Division 2

Triple Sort, Coronavirus Spread, Isolation Centers

May Lunchtime 2020 Division 2

Weird Walk, Lost Weekends

June Challenge 2020 Division 2

Even Matrix, The Tom and Jerry Game!, Chef and Icecream, Covid Sampling (Challenge), Chef and String, Chef and Price Control

July Challenge 2020 Division 2

Chef and Card Game, Chef and Strings, Doctor Chef, Chefina and Swaps, Ada King, Missing a Point

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

September Challenge 2020 Division 2

A Problem on Sticks, Coronavirus Spread 2, Ada Matrix, Divide Candies, Find XOR, Chef and Trump Cards, Chefina and Swap

June Cook-Off 2020 Division 2

Cache Hits, Max Mex

June Lunchtime 2020 Division 2

Chef and Demonetisation, Increasing Decreasing

RECode 12.0 (Rated for all)

Chef and String

January Challenge 2021 Division 2

Chef and Ants, Watching CPL, Fair Elections

December Challenge 2020 Division 1

Hail XOR, Positive Prefixes, Even Pair Sum

March Challenge 2021 Division 2

Interesting XOR!, Dense Graph, College Life 4, Consecutive Adding, Paparazzi Gennady, Space Arrays

April Challenge 2021 Division 2

Boolean Game, Chef and Dice, Tree Permutations, Binary String MEX, Worthy Matrix

May Challenge 2021 Division 2 (Rated)

Valid Paths, Tree House, An Interesting Sequence, King Killing, Xor Equality, Tic Tac Toe, Modular Equation

August Challenge 2021 Division 1 (Unrated)

Array Filling

September Challenge 2021 Division 1 (Unrated)

XOR Equal

SnackDown 2021 - Online Qualifiers

Lucky Number, Maximum Number Of Distinct Elements

SnackDown 2021 - Online Round 1A

Round Robin Ranks , Dance Moves, Min Max LCM

SnackDown 2021 - Online Round 1B

Queens Placement , Largest Laddu, Help Nishant

Total Problems Solved: 146