Rahul Paul

• Username: 2★while1
• Country:  Germany
• Student/Professional:Professional
• Organisation:Software Company
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2025 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

Rating Graph

No. of Contests Participated: 32

Current Ratings Graph Old Ratings Graph

1540 (-14)RatingProvisional
Rating i Provisional Rating, click to know more

February Challenge 2016(2016-02-15 15:00:00)

Global Rank:   2480

Cheated in:   

Ratings System Update

(2016-02-15 15:00:00)

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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1540 (+26)RatingProvisional
Rating i Provisional Rating, click to know more

February Challenge 2016(2022-12-20 00:00:00)

Global Rank:   2480

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 (32)

April Challenge 2013

Maximum Weight Difference, Barcelona Gameplay Tactics, Levy Conjecture

May Challenge 2013

Matchsticks, Witua and Math, Name Reduction, Your Name is Mine

June Challenge 2013

Predictopus, W String, Lapindromes

May Cook-off 2013

Subtraction Game 1

June Cook-Off 2013

Attic Crossing

July Challenge 2013

Chef and Walking on the rectangle , Count K-Primes

July Cook-off 2013

Chopsticks

August Challenge 2013

Splitting Candies, Little Elephant and Lemonade

September Challenge 2013

Project Spoon, CAO Stage-1, CAO Stage-2

October Challenge 2013

Little Elephant and Bamboo, Helping Lira, Maxim and Dividers

November Challenge 2013

Uncle Johny, Missing some chairs

December Challenge 2013

Chef and Codes, Funny Marbles, Magic Pairs, Reign, Rectangular Queries

December Lunchtime 2013

Mike and Matrices

January Challenge 2014

Please like me, Chef and Feedback, Bon Appetit

April Cook-Off 2014

Snape and Ladder

February Challenge 2014

Longest Common Pattern

March Challenge 2014

Walk

April Challenge 2014

Farmer Feb, Chef and Digits, Shortest Path in Binary Trees

May Challenge 2014

Compilers and Parsers, Chef-jumping, Chef and Strange Matrix, Stone

June Challenge 2014

Guessing Game, Forgot Password, Chef and Subarray

July Challenge 2014

Chef and Frogs, Count Substrings, Reach The Point

August Challenge 2014

The Leaking Robot, Chef and Gift

September Challenge 2014

Fun with Rotation

October Challenge 2014

Chef and Ground, Magical Girl and Colored Liquid Potions

November Challenge 2014

Distinct Characters Subsequence

December Challenge 2014

Chef and Apple Trees

January Challenge 2015

Chef and Stones

November Challenge 2015

Chef and cakes

February Challenge 2016

Chef-Detective

Total Problems Solved: 115