Rishabh Patel

• Username: 2★rishi_381
• Country:  India
• Student/Professional:Student
• Institution:Pandit Deendayal Energy University, Gandhinagar Gujarat, 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: 26

Current Ratings Graph Old Ratings Graph

1540 (+63)RatingProvisional
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Starters 69 Division 4 (Rated)(2022-12-14 23:00:06)

Global Rank:   70

Cheated in:   

Ratings System Update

(2022-12-14 23:00:06)

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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1540 (+68)RatingProvisional
Rating i Provisional Rating, click to know more

Starters 69 Division 4 (Rated)(2022-12-20 00:00:00)

Global Rank:   70

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 (26)

December Challenge 2020 Division 2

Positive Prefixes, Hail XOR, Vaccine Distribution, Even Pair Sum, Vaccine Production

December Cook-Off 2020 Division 2

Minimum Attendance Requirement

November Lunchtime 2020 Division 2

Gasoline Introduction

January Challenge 2021 Division 3

Fair Elections, Chef and Division 3, Point Of Impact, Encoded String

January Lunchtime 2021 Division 3 (Unrated)

Even Sum, Even Differences, Pair Me, Ashishgup and Interviews

February Challenge 2021 Division 3

Frog Sort, Team Name, Chef and Meetings, Prime Game, Maximise Function, Highest Divisor

March Challenge 2021 Division 2

Interesting XOR!, Space Arrays

June Challenge 2021 Division 2 (Unrated)

Summer Heat, Bella ciao, Shortest Route, Bitwise Tuples

September Challenge 2021 Division 2 (Unrated)

XOR Equal, Shuffling Parities, Airline Restrictions, Travel Pass

September Cook-Off 2021 Division 2

Zebra Crossing, Fake Swaps, Adjacency Hatred

SnackDown 2021 - Online Qualifiers

Lucky Number, Maximum Number Of Distinct Elements

CodeChef Starters 11 Division 2 (Rated)

The Grid Fill Problem, Obtain the Sum, Positive Spewing

CodeChef Starters 13 Division 2 (Rated)

Chef in Vaccination Queue, Maximum Light Up, Magical Doors

October Lunchtime 2021 Division 2

Chef and Water Car, Exactly N plus 1 Values

SnackDown 2021 - Online Round 1A

Round Robin Ranks , Dance Moves, Equal Beauty, Min Max LCM

SnackDown 2021 - Online Round 1B

Largest Laddu, Queens Placement

January Lunchtime 2022 Division 2

Subarray permutations, Permutation XOR Sum, Prefix Zeros

CodeChef Starters 24 Division 2 (Rated)

Anti Palindrome, Avoid Contact, Divisors and Reciprocals, Yet Another Constructive Problem

February Long 2022 - I, Division 2 (Unrated)

Bitwise Blend

CodeChef Starters 25 Division 2 (Rated)

Equal MEX, Points and Lines

February Cook-Off 2022 Division 2

Prefix Permutation, PerMEXuation , Perfect Permutation

CodeChef Starters 30 Division 2 (Rated)

Minimum Coloring, Gift Shop and Coupon, Balanced Reversals

April Lunchtime 2022 Division 2(Rated)

Buckets Full of Candies, Pair Pain

Starters 39 Division 3 (Rated)

Compress the Video, Recent contest problems, A or B

Starters 44 Division 4 (Rated)

Jogging, The Attack of Knight, Biryani classes, Dense Bracket Sequence, Air Hockey

June Lunchtime 2022 Division 3 (Rated)

Zero Ones Equal One Zeros

June Long Two 2022 Division 4 (Rated)

Count the ACs, Make all equal using Pairs, AP Grid, Complementary Strand in a DNA, Reversal Sorting, Fitness, Strong Elements

Starters 46 Division 4 (Rated)

Sort the String

Starters 47 Division 4 (Rated)

Similar Heights, Chess Time, Minimum Coins, End Sorted, Chef On Date

Starters 48 Division 4 (Rated)

Buy Lamps, Fill The Grid, Passes for Fair, Fill Candies

Starters 69 Division 4 (Rated)

Akash and Dinner, Rain in Chefland, Scalene Triangle, Convert to permutation, Distinct Sequence

Total Problems Solved: 217