Rishabh Raj

• Username: 3★rishabhraj
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology Indore Simrol, Madhya Pradesh, India
• 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: 24

Current Ratings Graph Old Ratings Graph

1715 (-46)RatingProvisional
Rating i Provisional Rating, click to know more

August Cook-Off 2018 Division 2(2018-08-20 00:00:02)

Global Rank:   1492

Cheated in:   

Ratings System Update

(2018-08-20 00:00:02)

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?

1715 (+103)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   1492

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 (24)

September Challenge 2015

Nikitosh and xor, Chain of Doughnuts, Cracking the Code, Lighthouses, Count Steps in Matrix, Bank robbery

October Challenge 2015

Time measure, Count Subarrays, Who dares to be a millionaire

December Challenge 2015

Chef and the stones, Oracle Devu and Longest Common Subsequence

October Cook-Off 2015

Almost Sorted Permutation

February Challenge 2016

Chef-Detective, Rectangles of Love, Devu and a light discussion

March Challenge 2016

Palindromic substrings, maximize the sum, Chef And Special Dishes

April Challenge 2016

Help Watson Escape, Chef and Ballons, Devu and good strings, Chef And Magical Path, Chef And Coloring

May Challenge 2016

Laddu, Chef and Balls, Forest Gathering

August Challenge 2016

Chef and Circle Run, Chef and Chocolate

September Challenge 2016

Chef and Friends, Chef and digits of a number, Faded Palindromes, Chef and calculation

March Cook-Off 2016

Digital clock, Alternating subarray prefix

April Cook-Off 2016

Movie Weekend, Odd Divisors

October Cook-Off 2016

ChefWatson uses Social Network, Watson asks Does Permutation Exist

April Lunchtime 2016

Coins And Triangle

January Challenge 2017

Capital Movement, Cats and Dogs, Reservior, Tourists in Mancunia

February Cook-Off 2017

Download file

February Lunchtime 2017

Bear and Milky Cookies

July Challenge 2017

Chef and Sign Sequences, Whats in the Name, Calculator , IPC Trainers

July Cook-Off 2017

Chang and Bitwise OR, Chang and the Perfect Function

Total Problems Solved: 70