Rahul Chauhan

• Username: 4★imrahul23
• Country:  India
• Student/Professional:Student
• Institution:National Institute of Technology, Kurukshetra Thanesar, Haryana, 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: 46

Current Ratings Graph Old Ratings Graph

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June Lunchtime 2019 Division 2(2019-06-29 22:30:02)

Global Rank:   294

Cheated in:   

Ratings System Update

(2019-06-29 22:30:02)

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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1843 (+20)RatingProvisional
Rating i Provisional Rating, click to know more

June Lunchtime 2019 Division 2(2022-12-20 00:00:00)

Global Rank:   294

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 (46)

October Challenge 2017

A Balanced Contest

November Challenge 2017

Chef Hates Palindromes, Villages and Tribes, Chef goes Left Right Left, Periodic Palindrome Construction

December Challenge 2017

Chef And his Cake, Penalty Shoot-out, Chef and Hamming Distance of arrays, Total Diamonds

November Cook-Off 2017

Random Pair

December Cook-Off 2017

Beautiful Array, Football Match

January Challenge 2018

Partition the numbers, Rectangle, Maximum Score, K-Concatenation

January Cook-Off 2018

Multiple of 3, Survive in ChocoLand

January Lunchtime 2018

Chef and Game with Sequence

February Challenge 2018

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

May Cook-off 2018 Division 2

Best Cake Ever, Secret Recipe

June Cook-Off 2018 Division 2

Good Permutations, Archi and Comparsion

July Cook-Off 2018 Division 2

Encoding Message, OR Matrix

September Mega Cook-Off 2018 Division 2

ATM Machine, Make a Permutation

November Cook-Off 2018 Division 2

Truth and Dare, Beautiful Garland

December Cook-Off 2018 Division 2

Camp Or Not

May Challenge 2018 Division 1

Mighty Friend, Minimum Deletions, Xor Again

June Challenge 2018 Division 2

Naive Chef, Binary Shuffle

July Challenge 2018 Division 1

No Minimum No Maximum, Magic Set, Strike or Spare

August Challenge 2018 Division 1

Modular GCD

December Challenge 2018 Division 2

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

November Challenge 2018 Division 2

Chef and Happiness, Chef and Difficult Contests, Chef and Ridges

October Challenge 2018 Division 2

Chef and Serves, Byte to Bit

August Lunchtime 2018 Division 2

Chef and Problem Setting, Chef and Eid, Mix Mix Game

November Lunchtime 2018 Division 2

Event

ProCon 2018 (Rated for all)

The Great Run, Kill them with your success

Encoder (Rated for Division 2)

Knight Chess

December Lunchtime 2018 Division 1

Choosing from Buckets, Age Calculator

January Challenge 2019 Division 1

Yet Another Problem About Sequences, A Pizza Slice, Distinct Pairs, Partition the Graph, Different Neighbours

January Lunchtime 2019 Division 1

Rooks

February Challenge 2019 Division 1

Manhattan Rectangle, Guess It Right, Chef and Secret Ingredients, Art of Balance

February Cook-Off 2019 Division 1

Chef and Party, Max Range Queries, Chef and Secret Password

March Challenge 2019 Division 1

Yet Again a Subarray Problem

Coders' Legacy 2019 (Rated for all)

Bathwater, IPL and RCB

April Challenge 2019 Division 1

Playing with Numbers, Subtree Removal

April Cook-Off 2019 Division 1

Pied Piper vs Hooli

April Lunchtime 2019 Division 1

Minimum Sum

May Lunchtime 2019 Division 2 (Unrated)

CV, Reverse Maximisation, Grid Tour, Dummy Palindromic Strings

June Cook-Off 2019 Division 2

Multiple Choice Exam, Ants and Anteaters, Eat Twice, Drink Slush

June Lunchtime 2019 Division 2

Ping Paja Pong, Magda and Silly Pairs

Alkhwarizm (Rated for all)

Weirwood Trees, Danny Wants To Know

Code Melange (Rated for all)

Greg and Grid, A Small Array, Go Round, Max power

Total Problems Solved: 151