Rain Zimin Yang

• Username: 3★ryazimn
• Country:  United States
• Student/Professional:Student
• Institution:University of British Columbia
• CodeChef Pro Plan: No Active Plan. View Details

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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

1700 (+63)RatingProvisional
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Starters 201 (Rated)(2025-08-27 22:00:02)

Global Rank:   38

Cheated in:   

Ratings System Update

(2025-08-27 22:00:02)

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1637 (-53)RatingProvisional
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March Long One 2022, Division 3 (Rated)(2022-12-20 00:00:00)

Global Rank:   93

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

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Learning Paths (0)

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Practice Paths (0)

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Contests (9)

September Challenge 2021 Division 3 (Rated)

Shuffling Parities, Airline Restrictions, Travel Pass, XOR Equal

September Cook-Off 2021 Division 3

Cars and Bikes, Zebra Crossing, Fake GCD, Adjacency Hatred

SnackDown 2021 - Online Qualifiers

Lucky Number, Maximum Number Of Distinct Elements

October Challenge 2021 Division 3 (Rated)

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

CodeChef Starters 16 Division 2 (Unrated)

Professor And Directions

October Cook-Off 2021 Division 2

Odd Sum, 01 Subsequence

SnackDown 2021 - Online Round 1A

Round Robin Ranks , Dance Moves, Min Max LCM

SnackDown 2021 - Online Round 1B

Queens Placement , Largest Laddu, Help Nishant

November Challenge 2021 Division 2 (Unrated)

Weird Palindrome Making, Equal Coins, Hill Sequence

Code: Nium Challenge

Alphabet Difference, Divide Students Into Classes, Queries in an Array

CodeChef Starters 17 Division 2 (Rated)

GCD of Prefixes, String Game, New Piece

December Challenge 2021 Division 3 (Rated)

List of Lists, Utkarsh and Placement tests

March Long One 2022, Division 3 (Rated)

Substring of a Substring, Wordle, Exact Marks, Akash and Missing Class, Subarray XOR, Akash and Function

May Long Two 2022 Division 2 (Unrated)

Xor Palindrome, Make them Zero

Starters 201 (Rated)

Compare and Connect, Permutation Cost Sum, Huge Grid (Easy Version), Delete Maximum, Mixing Liquids, Mark Points

Total Problems Solved: 67