Tianyi Chen

• Username: 4★tianyichen
• Country:  United States
• Student/Professional:Professional
• Organisation:
• 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: 7

Current Ratings Graph Old Ratings Graph

1934 (-67)RatingProvisional
Rating i Provisional Rating, click to know more

SnackDown 2021 - Online Pre-Elimination(2021-11-22 00:00:06)

Global Rank:   1613

Cheated in:   

Ratings System Update

(2021-11-22 00:00:06)

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?

1934 (+125)RatingProvisional
Rating i Provisional Rating, click to know more

SnackDown 2021 - Online Pre-Elimination(2022-12-20 00:00:00)

Global Rank:   1613

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 (7)

March Challenge 2017

Xenny and Alternating Tasks, Bear and Extra Number, (CH) Bear and Sorted Rows, Bandwidth of a matrix, Cooking Schedule

February Lunchtime 2017

Bear and House Queries, Bear and Milky Cookies

August Challenge 2018 Division 2

Coordinate Compression , Modular GCD, Problem Sort, Sheokand and Number, Spell Bob

September Challenge 2018 Division 1

Table Game, Bad Shuffle, Sasha and Photos, AND Square Subsegments, Chef and Condition Zero (Challenge)

November Challenge 2018 Division 1

Appy Loves One

July Lunchtime 2018 Division 2

Split Stones, Forced Particles, Prime divisors

October Lunchtime 2018 Division 1

Weird Question, Coloring the Grid

SnackDown 2021 - Online Qualifiers

Lucky Number, Maximum Number Of Distinct Elements

SnackDown 2021 - Online Round 1A

Round Robin Ranks , Dance Moves, Min Max LCM

SnackDown 2021 - Online Round 1B

Queens Placement , Largest Laddu, Help Nishant

Total Problems Solved: 32