RISHI

• Username: 4★rishi2481
• Country:  India
• Student/Professional:Student
• Institution:Dhirubhai Ambani Institute of Information and Communication Technology, 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: 17

Current Ratings Graph Old Ratings Graph

1928 (+43)RatingProvisional
Rating i Provisional Rating, click to know more

May Cook-Off 2022 Division 2 (Rated)(2022-05-01 23:00:02)

Global Rank:   24

Cheated in:   

Ratings System Update

(2022-05-01 23:00:02)

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?

1928 (-183)RatingProvisional
Rating i Provisional Rating, click to know more

May Cook-Off 2022 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   24

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)

None

Practice Paths (0)

None

Contests (17)

August Challenge 2021 Division 3 (Rated)

Olympics Ranking, Problem Difficulties

August Cook-Off 2021 Division 3

Which Division, Different String, Team Formation

CodeChef Starters 10 Division 3 (Rated)

Hardest Problem Bet, Odd Repeat, Maximise the Subsequence Sum, Remove One Element

September Cook-Off 2021 Division 3

Cars and Bikes, Fake GCD

SnackDown 2021 - Online Qualifiers

Lucky Number, Maximum Number Of Distinct Elements

CodeChef Starters 11 Division 2 (Rated)

Obtain the Sum, The Grid Fill Problem

CodeChef Starters 12 Division 3 (Rated)

Good Weather, Make it Divisible

CodeChef Starters 13 Division 2 (Rated)

Add and Divide, Chef in Vaccination Queue, Maximum Light Up, The Preparations, Magical Doors

CodeChef Starters 14 Division 2 (Unrated)

RCB and Playoffs, FIXFIX, Odd GCD, Diagonal movement

October Challenge 2021 Division 2 (Unrated)

Longest AND Subarray, Digit Removal, MEX-OR, Three Boxes, Which Mixture

September Lunchtime 2021 Division 3

Yet another SOD problem, Alice vs Bob Faceoff, Vaccine Dates , Balanced and Unique Arrays, Two Dishes

CodeChef Starters 16 Division 2 (Unrated)

Professor And Directions

October Cook-Off 2021 Division 2

Odd Sum, 01 Subsequence

October Lunchtime 2021 Division 2

Alternating Work Days, Chef and Water Car, Exactly N plus 1 Values, Fixed Points, Problem Category

SnackDown 2021 - Online Round 1A

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

SnackDown 2021 - Online Round 1B

Largest Laddu, Help Nishant, Queens Placement

November Challenge 2021 Division 2 (Unrated)

Maximise the bridges, Which Fuel is Cheaper, Equal Coins, Hill Sequence, Weird Palindrome Making, Xor Equation, Flip or Compress

CodeChef Starters 17 Division 2 (Rated)

Binary Inversion, GCD of Prefixes, New Piece

CodeChef Starters 18 Division 2 (Unrated)

Palindromic Binary Numbers, Compare those strings, Back to Campus, Make them equal

C.O.D.E.R.S Division 2 (Rated)

The One with Ross Wedding, The One Where It All Began, The One with Russ, The One On The Last Night, The One with All the Candy

FizzBuzz Division 2 (Rated)

Magical Planks, Clean The Sequence, Substring Minimum Function, Can_Reach

November Lunchtime 2021 Division 2

Expected Weight, Strange Minimization, Rapid Re-Orderings

Starters 36 Division 2 (Rated)

Reduce to 1, Presents for Cheffina, Who is taller!, Buying Sweets

May Cook-Off 2022 Division 2 (Rated)

Different Subarrays Rearrange, Doubled Distances, Triple Inversions

May Long One 2022 Division 1 (Unrated)

Mystical Numbers, Pushpa , Sugarcane Juice Business, The Attack of Queen, Football Cup, Miami GP

Total Problems Solved: 152