Rishabh Dugar

• Username: 4★rishabh2012
• Country:  India
• Student/Professional:Student
• Institution:Motilal Nehru National Institute of Technology Allahabad Uttar Pradesh, India
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

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

Rating Graph

No. of Contests Participated: 30

Current Ratings Graph Old Ratings Graph

1885 (-20)RatingProvisional
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April Challenge 2019 Division 2(2019-04-15 15:00:02)

Global Rank:   1363

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

How the rating system works?

1885 (+180)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   1363

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 (30)

June Challenge 2013

Lapindromes

August Challenge 2013

Little Elephant and Lemonade, Splitting Candies, Hello Hello

August Cook-Off 2013

Chef and The Right Triangles

September Challenge 2013

CAO Stage-1

October Challenge 2013

Helping Lira

November Challenge 2013

Superpowers of 2, Uncle Johny, Square Digit Squares, Missing some chairs

December Challenge 2013

Magic Pairs

January Challenge 2014

Please like me, Chef and Feedback

February Cook-Off 2014

Chef and Kingship, Chef and Remissness

April Cook-Off 2014

Snape and Ladder

July Cook-Off 2014

Copy-Paste, Sum Queries

February Challenge 2014

Make Him Happy, Longest Common Pattern, Little Elephant and Subarrays, Colored Array

March Challenge 2014

Walk

April Challenge 2014

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

May Challenge 2014

Compilers and Parsers, Chef-jumping, Stone

June Challenge 2014

Forgot Password, Guessing Game, Chef and Subarray, Chef and Digit Jumps

July Challenge 2014

Garden Game, Chef and Frogs, Chef and Rectangle Genome, Count Substrings, Reach The Point, Dish Owner

August Challenge 2014

Chef and Gift, The Leaking Robot, Chef and Reversing, Cleaning Tables

September Challenge 2014

Chef and Rainbow Array - 2, Chef and Left-Right, Chef and sequence, Fun with Rotation, Factorisation

October Challenge 2014

DevuLand, Dinosaurs and Laddus, Magical Girl and Colored Liquid Potions, Chef and Square, Chef and Painting, Chef and Ground, Remy paints the fence

January Challenge 2015

Sereja and Number Division 2, Chef and A Large Permutation, Chef and Stones, Sereja and Votes, One Dimensional Kingdoms, Gcd Queries

February Challenge 2015

Chef and Equality, Jigsaw Puzzle Solving, Chef and Strings, Chef and Strange Formula, Chef and Chain, Let us play with rank list

March Challenge 2015

Chef and Notebooks, Devu and his Class, Sign Wave

April Challenge 2015

Division of Lands, Chef and Piano Scales, Inversion sorting, Broken Telephone, Chef and Interview, Count Sequences

May Challenge 2015

Devu and binary String, Chef and Prime Divisors, Set Difference , Chef and new recipe

June Challenge 2015

Chef and Memory Limit, Chef and Polygons

April Challenge 2019 Division 2

Friend or Girlfriend, Maximum Remaining, Fencing

Total Problems Solved: 101