Rahul Kumar

• Username: 4★rahul3512
• Country:  India
• Student/Professional:Student
• Institution:Sant Longowal Institute of Engineering and Technology Sangrur, Punjab, 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: 19

Current Ratings Graph Old Ratings Graph

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FizzBuzz Division 2 (Rated)(2021-11-27 00:00:02)

Global Rank:   85

Cheated in:   

Ratings System Update

(2021-11-27 00:00:02)

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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1828 (-12)RatingProvisional
Rating i Provisional Rating, click to know more

FizzBuzz Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   85

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 (19)

May Cook-Off 2020 Division 2

Chef and Recipe

May Lunchtime 2020 Division 2

Weird Walk, Lost Weekends

June Challenge 2020 Division 2

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

July Challenge 2020 Division 2

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

August Challenge 2020 Division 2

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

September Challenge 2020 Division 2

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

June Cook-Off 2020 Division 2

Cache Hits

June Lunchtime 2020 Division 2

Chef and Demonetisation, Increasing Decreasing

October Challenge 2020 Division 2

Positive AND, Replace for X, D-Dimensional MST, Covid Run, Chef and Easy Queries

November Challenge 2020 Division 1

Restore Sequence, Magical Candy Store

January Challenge 2021 Division 2

Watching CPL, Fair Elections

Coders' Legacy (Rated for all)

Chef vs Doof, Doof on Cartesian

February Challenge 2021 Division 2

Frog Sort, Team Name, Prime Game, Multiple Games, Maximise Function

March Challenge 2021 Division 2

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

April Challenge 2021 Division 2

Chef and Dice, Binary String MEX, Worthy Matrix

July Challenge 2021 Division 2 (Unrated)

XxOoRr

SnackDown 2021 - Online Qualifiers

Lucky Number

October Challenge 2021 Division 2 (Unrated)

Longest AND Subarray, MEX-OR

CodeChef Starters 16 Division 2 (Unrated)

Professor And Directions

October Lunchtime 2021 Division 2

Chef and Water Car, Exactly N plus 1 Values

SnackDown 2021 - Online Round 1A

Yet Another Flipping Problem, Min Max LCM, Equal Beauty, Dance Moves, Round Robin Ranks

FizzBuzz Division 2 (Rated)

Magical Planks, Clean The Sequence, Substring Minimum Function, Can_Reach, Kingdom Attack

Total Problems Solved: 135