Rishabh Gupta

• Username: 3★rishabh_121
• Country:  India
• Student/Professional:Student
• Institution:Harcourt Butler Technical University, Kanpur
• 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: 36

Current Ratings Graph Old Ratings Graph

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April Challenge 2019 Division 2(2019-04-15 15:00:02)

Global Rank:   3923

Cheated in:   

Ratings System Update

(2019-04-15 15:00:02)

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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1767 (+173)RatingProvisional
Rating i Provisional Rating, click to know more

April Challenge 2019 Division 2(2022-12-20 00:00:00)

Global Rank:   3923

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 (36)

November Challenge 2016

Task for Alexey, Chef and squares

October Lunchtime 2016

The Largest Bouquet

January Challenge 2017

Cats and Dogs, Reservior

February Challenge 2017

Eugene and big number, Chef and Triangles, Chef and His Apartment Dues, Most Frequent Element, Gerrymander

March Challenge 2017

Bear and Extra Number, Bandwidth of a matrix, (CH) Bear and Sorted Rows, Xenny and Alternating Tasks

January Cook-Off 2017

Digit Longest Increasing Subsequences 2

February Cook-Off 2017

Download file

January Lunchtime 2017

Nothing in Common

February Lunchtime 2017

Bear and Milky Cookies

April Challenge 2017

Dish Of Life, Bear and Row 01, Similar Dishes

May Challenge 2017

Courses in an university, Median of adjacent maximum numbers, Chef and his daily routine, Chef and Sub Array

June Challenge 2017

A Good Set, Chef and the Feast, Xenny and Coin Rankings, Triplets, Pairwise union of sets

July Challenge 2017

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

August Long Challenge 2017

Chef and Rainbow Array, Chef and Mover, Palindromic Game, Greedy Candidates

September Challenge 2017

Sereja and Commands, Chef and Pick Digit, Minimum Good Permutation, Fill The Matrix, Little Chef and Sums

October Challenge 2017

A Balanced Contest, Counter Test For CHEFSUM, Chef and a great voluntary Program, Max Mex

November Challenge 2017

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

April Cook-Off 2017

Bear and Candies 123, Bear and AB

June Cook-Off 2017

Ada and crayons, SnackUp

August Cook-Off 2017

From heaven to earth, Real obtuse

September Cook-Off 2017

Statistics Construction, Subsequence Equality

March Lunchtime 2017

Bear and Ladder

August Lunchtime 2017

Mathison and the Dynamo shuffle, Mathison and pangrams

October Lunchtime 2017

Buggy Calculator

IOPC 2017 (Rated)

The Birthday Tears, Max Out

January Challenge 2018

String Merging, Partition the numbers, Rectangle, K-Concatenation, (Challenge) Chef and Palindromes, Maximum Score

February Challenge 2018

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

February Cook-Off 2018

Chef and Cook-Off, Chef and Tuples, Chef and Line

February Lunchtime 2018

Game with numbers, Jumping in the hills

March Challenge 2018 DIV 1

Mix the Colors, Minions and Voting, Chef and Glove, Chef and Easy Problem

June Challenge 2018 Division 2

Naive Chef

July Challenge 2018 Division 2

Magic Set, Strike or Spare

August Challenge 2018 Division 2

Modular GCD, Problem Sort, Sheokand and Number, Spell Bob

July Lunchtime 2018 Division 2

Split Stones

April Challenge 2019 Division 2

Friend or Girlfriend, Maximum Remaining

Total Problems Solved: 357