Josh Chang

• Username: 3★joshspchang
• 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 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

Rating Graph

No. of Contests Participated: 9

Current Ratings Graph Old Ratings Graph

1761 (-45)RatingProvisional
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Starters 35 Division 2 (Rated)(2022-04-20 23:00:02)

Global Rank:   1550

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

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1761 (+63)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   1550

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 (9)

January Lunchtime 2022 Division 3

Prefix Zeros, Subarray permutations, Permutation XOR Sum, Chef and Lockout Draws, Chef and Subset Additions

CodeChef Starters 24 Division 2 (Rated)

Anti Palindrome, Avoid Contact, Badminton Serves, Divisors and Reciprocals, Yet Another Constructive Problem, EVM Hacking

CodeChef Starters 25 Division 2 (Rated)

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

February Cook-Off 2022 Division 2

Prefix Permutation, PerMEXuation , Perfect Permutation, Mango Market

CodeChef Starters 26 Division 2 (Unrated)

Stone Game, Careless Chef, Car or Bike, Valentine is Coming, Count the Notebooks, Hostel Room, 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 34 Division 2 (Rated)

Average Array, Binary String Xor

April Lunchtime 2022 Division 2(Rated)

Buckets Full of Candies, Pair Pain

Starters 35 Division 2 (Rated)

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Total Problems Solved: 38