Rishab Arora

• Username: 4★rishab951
• Country:  India
• Student/Professional:Student
• Institution:Dr. BR Ambedkar National Institute of Technology Jalandhar, Punjab, India
• 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: 9

Current Ratings Graph Old Ratings Graph

1853 (+64)RatingProvisional
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July Challenge 2016(2016-07-13 15:00:00)

Global Rank:   248

Cheated in:   

Ratings System Update

(2016-07-13 15:00:00)

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1853 (-129)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   248

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 (9)

October Challenge 2015

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

December Challenge 2015

Chef and the stones, Oracle Devu and Longest Common Subsequence

January Long Challenge 2016

Rupsa and the Game, Churu and Balls, Chef and Time Machine, Devu and Perfume

February Challenge 2016

Chef-Detective

March Challenge 2016

Sereja and Two Strings 2, Palindromic substrings, maximize the sum, Chef And Special Dishes

April Challenge 2016

Chef And Magical Path, Chef And Coloring, Help Watson Escape, Chef and Ballons

May Challenge 2016

Chef and Balls, Laddu

June Challenge 2016

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

July Challenge 2016

Andrash and Stipendium, Chef and Segments, Chef and Tetris, Chef and Robots Competition, Chefland and Electricity, Scheduling jobs on a cluster

Total Problems Solved: 46