Sai Nikhil Reddy Challa

• Username: 3★chsainikhil
• Country:  India
• Student/Professional:Student
• Institution:Northeastern University
• 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: 12

Current Ratings Graph Old Ratings Graph

1774 (+34)RatingProvisional
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May Challenge 2021 Division 2 (Rated)(2021-05-17 15:00:02)

Global Rank:   306

Cheated in:   

Ratings System Update

(2021-05-17 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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1774 (-72)RatingProvisional
Rating i Provisional Rating, click to know more

May Challenge 2021 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   306

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 (12)

February Challenge 2020 Division 2

School of Geometry, The Theatre Problem, Long Contest and Cook Off Overlaps

March Challenge 2020 Division 2

XOR Engine, Ada Bishop 2, Pintu and Fruits

April Challenge 2020 Division 2

COVID Pandemic and Long Queue, Leaked Answers (Challenge), Sell All the Cars, Unit GCD, Squared Subsequences, Strange Number

April Cook-Off 2020 Division 2

Lift Requests

March Lunchtime 2020 Division 2 (Unrated)

Chef Swaps Digits

April Lunchtime 2020 Division 2

Chef in Fantasy League

August Challenge 2020 Division 2

Chef Wars - Return of the Jedi, Another Card Game Problem, Chef and Linear Chess, Smallest KMP, Chef and Wedding Arrangements

RECode 12.0 (Rated for all)

Chef and Numbers, Chef and String

October Challenge 2020 Division 2

Positive AND, Replace for X, Covid Run, Chef and Easy Queries

February Challenge 2021 Division 2

Frog Sort, Team Name, Prime Game, Maximise Function

March Challenge 2021 Division 2

College Life 4, Space Arrays, Consecutive Adding, Interesting XOR!

April Cook-Off 2021 Division 2

OR of ANDs, Chocolate Monger

May Challenge 2021 Division 2 (Rated)

Valid Paths, Tree House, An Interesting Sequence, Xor Equality, Tic Tac Toe, Modular Equation

Total Problems Solved: 94