rainair

• Username: 5★rainair
• Country:  China
• Student/Professional:Student
• Institution:Linyi No.1 Middle School China
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

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

Rating Graph

No. of Contests Participated: 4

Current Ratings Graph Old Ratings Graph

2018? (+83)RatingProvisional
Rating i Provisional Rating, click to know more

February Challenge 2021 Division 2(2021-02-15 15:00:02)

Global Rank:   52

Cheated in:   

Ratings System Update

(2021-02-15 15:00:02)

This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more

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2018 (+18)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   52

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 (4)

January Challenge 2020 Division 2

Equality, Chefina and Prefix Suffix Sums, Breaking Bricks, Chef and Dynamo

May Challenge 2020 Division 2

Triple Sort, Coronavirus Spread, Chef and Bitwise Product, Isolation Centers

June Challenge 2020 Division 2

Chef and Icecream, Chef and Price Control, Chef and String, Covid Sampling (Challenge), Guessing Game, Operations on a Tuple, The Tom and Jerry Game!, Even Matrix

February Challenge 2021 Division 2

Frog Sort, Team Name, Another Tree with Number Theory, Prime Game, Multiple Games, XOR Sums, Maximise Function

May Challenge 2021 Division 1 (Unrated)

Xor Equality

Total Problems Solved: 42