Rishi Ghosh

• Username: 3★joseph_ooooo
• Country:  India
• Student/Professional:Professional
• Organisation:Oracle
• CodeChef Pro Plan: No Active Plan. View Details

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Last 6 Months 2026 (Jan-Jun)2025 (Jul-Dec)2025 (Jan-Jun)

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No. of Contests Participated: 39

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August Challenge 2018 Division 2(2018-08-13 15:00:05)

Global Rank:   2230

Cheated in:   

Ratings System Update

(2018-08-13 15:00:05)

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1695 (+119)RatingProvisional
Rating i Provisional Rating, click to know more

August Challenge 2018 Division 2(2022-12-20 00:00:00)

Global Rank:   2230

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 (39)

February 2012 Challenge

Lucky Long, Count of Maximum

May Challenge 2012

Jewels and Stones, Lucky lucky number

June Challenge 2012

Little Elephant and Candies, Arranging Cup-cakes

June Cook-Off 2012

Closing the Tweets

July Challenge 2012

Gift Rift

September Challenge 2012

Racing Horses

October Challenge 2012

Fierce Battles, Event Organizer, The New Scheme

December Challenge 2012

Granama Recipes, Book Exercises, Magic Rankings, Pizza Delivery, WordNinjas

December Cook-Off 2012

Packaging Cupcakes

March Cook-off 2013

The Ball And Cups

May Challenge 2013

Matchsticks, Witua and Math, Password Cracking Challenge, Name Reduction, Your Name is Mine

June Challenge 2013

Dessert Wizard, Predictopus, To challenge or not, W String, Lapindromes

June Cook-Off 2013

Attic Crossing

July Challenge 2013

Mountain Holidays, Galactik Football, The Probability Of Winning, Chef and Walking on the rectangle , Count K-Primes, Circle of death

July Cook-off 2013

Chopsticks, A Plus B Again!

August Challenge 2013

Little Elephant and Lemonade, Hello Hello, Save The Princess, Chef and Segments, Deleting numbers, Splitting Candies

September Challenge 2013

Little Elephant and Exams, Cool Guys, Chef and Integers , Project Spoon, CAO Stage-1, CAO Stage-2

October Cook-Off 2013

Polo the Penguin and the Test

October Challenge 2013

Little Elephant and Bamboo, Helping Lira, Maxim and Dividers, Sereja and Transformation, Yet Another Nice Girl, Edit Distance on Grid

November Challenge 2013

Superpowers of 2, Yet Another Cute Girl, Sereja and Vectors, Uncle Johny, Square Digit Squares, Missing some chairs

December Challenge 2013

Art in Digital Age, Cube Cakes, Chef and Codes, Funny Marbles, Magic Pairs, Reign, Rectangular Queries

January Challenge 2014

Sereja and Graph, Bon Appetit, Please like me, Chef and Feedback

March Cook-Off 2014

Dividing Stamps

February Challenge 2014

Draughts, Make Him Happy, Longest Common Pattern, Little Elephant and Subarrays, Colored Array, Make It Zero 2

March Challenge 2014

Walk, Little Chef and Numbers

April Challenge 2014

Sereja and Permutation, Counting Matrices, Farmer Feb, Chef and Digits, Divide the Tangerine, Shortest Path in Binary Trees

May Challenge 2014

Compilers and Parsers, Chef-jumping, Stone

July Challenge 2014

Chef and Frogs, Count Substrings, Reach The Point

August Challenge 2014

The Leaking Robot, Chef and Gift

May Challenge 2016

Forest Gathering, Laddu

June Challenge 2016

Chef And The Hiring Event, Chef and Array and K, Chef And Binary Operation, Chef and Coins Game, Devu and an Array

July Challenge 2016

Andrash and Stipendium

August Challenge 2018 Division 2

Problem Sort, Sheokand and Number, Spell Bob

Total Problems Solved: 188