Yao Xiang

• Username: 3★williamacm
• Student/Professional:Student
• Institution:Dalian University of Technology
• 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

1724 (-36)RatingProvisional
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October Challenge 2014(2014-10-13 15:00:00)

Global Rank:   4237

Cheated in:   

Ratings System Update

(2014-10-13 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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1724 (+157)RatingProvisional
Rating i Provisional Rating, click to know more

October Challenge 2014(2022-12-20 00:00:00)

Global Rank:   4237

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)

Lunch Time July 2013

Cooking dishes

November Challenge 2013

Superpowers of 2, Uncle Johny, Square Digit Squares, Missing some chairs

December Challenge 2013

Cube Cakes, Chef and Codes, Funny Marbles, Magic Pairs, Reign, Rectangular Queries

July Challenge 2014

Garden Game, Dish Owner, Reach The Point, Count Substrings, Chef and Frogs

August Challenge 2014

The Leaking Robot, Chef and Gift

September Challenge 2014

Chef and Swaps, Chef and sequence, Flooring

October Challenge 2014

Sereja and two strings

Total Problems Solved: 46