CJ Kuo

• Username: 3★hannahkuo
• Country:  United States
• Student/Professional:Student
• Institution:Columbia University in the City of New York USA
• 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: 15

Current Ratings Graph Old Ratings Graph

1705 (+45)RatingProvisional
Rating i Provisional Rating, click to know more

Starters 35 Division 2 (Rated)(2022-04-20 23:00:02)

Global Rank:   373

Cheated in:   

Ratings System Update

(2022-04-20 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?

1705 (-172)RatingProvisional
Rating i Provisional Rating, click to know more

Starters 35 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   373

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 (15)

January Cook-Off 2022 Division 3

Mean Maximization, Mask Policy, Hungry Ashish, Palindromes Not Allowed

CodeChef Starters 23 Division 3 (Rated)

Average of Three, Chef and Profits, Subarray Mex, Maximising Vacations

CodeChef Starters 24 Division 2 (Rated)

Avoid Contact, Yet Another Constructive Problem

CodeChef Starters 25 Division 3 (Rated)

Chef and His Fruit Stand, Fit in Data Type, Points and Lines, Equal MEX, Building Towers

February Cook-Off 2022 Division 2

Perfect Permutation, PerMEXuation , Prefix Permutation

CodeChef Starters 26 Division 2 (Unrated)

Stone Game, Careless Chef, Control the Pollution

CodeChef Starters 27 Division 2 (Rated)

Distinct Binary Strings, The product mystery

CodeChef Starters 28 Division 2 (Rated)

Permutation Xority, Count the Holidays

CodeChef Starters 30 Division 3 (Rated)

Minimum Coloring, Balanced Reversals, Swapping Chefs Way, Gift Shop and Coupon, Chef and Water Bottles

March Cook-Off 2022 Division 2

Janmansh at Fruit Market, Equal Mex Splitting

CodeChef Starters 31 Division 2 (Rated)

Alternating String, Sign Moves, The Unchanging OR

CodeChef Starters 32 Division 3 (Rated)

Maximize the Minimum, Binary String Cost, Finding Shoes, Training Plans

April Cook-Off 2022 Division 3

Sticks and Rectangles, Funny Hand

CodeChef Starters 33 Division 3 (Rated)

Stable Mex, Distinct Dilemma, Minimum Cars required, Non Adjacent Flips, Make Them Equal

CodeChef Starters 34 Division 2 (Rated)

Average Array

Starters 35 Division 2 (Rated)

Jump to Sibling, Dark Light, Admins and Shopping

Total Problems Solved: 53