Tony Li

• Username: 4★tonyli00000
• Country:  United States
• Student/Professional:Student
• Institution:University of Washington
• 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: 14

Current Ratings Graph Old Ratings Graph

1952 (-40)RatingProvisional
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October Challenge 2020 Division 1(2020-10-12 15:00:00)

Global Rank:   558

Cheated in:   

Ratings System Update

(2020-10-12 15:00:00)

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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1952 (-82)RatingProvisional
Rating i Provisional Rating, click to know more

October Challenge 2020 Division 1(2022-12-20 00:00:00)

Global Rank:   558

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 (14)

July Cook-Off 2018 Division 2

OR Matrix, Encoding Message

August Challenge 2018 Division 2

Sheokand and Number, Spell Bob

September Lunchtime 2018 Division 2

Judging Delay, Opposite Cites, Chef Restaurant

August Challenge 2019 Division 2

Football, Zombie and the Caves, Distribute Apples, Dilemma, Guddu and his Mother

November Challenge 2019 Division 2

Hard Sequence, A Simple Game, Weapon Value

April Challenge 2020 Division 2

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

March Cook-Off 2020 Division 2

Mysterious Sequence, Find Your Gift, Box of Chocolates

April Cook-Off 2020 Division 1

Simple Operations

April Lunchtime 2020 Division 1

Positive Mex

May Lunchtime 2020 Division 1

Convert the String, Tree difference

July Cook-Off 2020 Division 1

Even-tual Reduction, Path-etic Products, OR-thodox Distinction, What Is This, a Crossover Episode

June Cook-Off 2020 Division 1

Per Capita Income, Checkpoints, Banned Quotient

October Challenge 2020 Division 1

Positive AND, Replace for X

January Lunchtime 2021 Division 1 (Unrated)

Good Grid, Shifting Spoons, Dreams of Divisibility, Even Sum

Total Problems Solved: 46