Xian Haoming

• Username: 6★xhm154
• Student/Professional:Student
• Institution:Sun Yat-sen Memorial Middle School Shiqi, Guangdong, China
• 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: 8

Current Ratings Graph Old Ratings Graph

2429 (-18)RatingProvisional
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February Challenge 2019 Division 1(2019-02-13 15:00:00)

Global Rank:   97

Cheated in:   

Ratings System Update

(2019-02-13 15:00:00)

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2429 (+89)RatingProvisional
Rating i Provisional Rating, click to know more

February Challenge 2019 Division 1(2022-12-20 00:00:00)

Global Rank:   97

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 (8)

December Challenge 2018 Division 1

Max and Electrical Panel, Colorblind Feast, Chef and Interactive XOR, Directing Edges, Edge Addition

November Challenge 2018 Division 2

Chef and Happiness, Chef and Difficult Contests, Binary Strings, Magician versus Chef 2, Chef, Primes and Trees (Challenge), Good Median, Appy Loves One, Chef and Ridges

October Challenge 2018 Division 2

Appy and Balloons , Beautiful Bricks, Minimize Digitsum, Chef and Surprise Chessboard, Chef and Serves, Byte to Bit, Chef and Circles

November Lunchtime 2018 Division 1

Beats and Pieces, Probability, Useful Number, Maximize It

December Lunchtime 2018 Division 1

Choosing from Buckets, Drawing Lines, Age Calculator

January Challenge 2019 Division 1

Yet Another Problem About Sequences, Different Neighbours, Partition the Graph, Distinct Pairs, Party, A Pizza Slice

January Lunchtime 2019 Division 1

Distances, Mouse Meets Cheese, Rooks, Wanderer

February Challenge 2019 Division 1

Manhattan Rectangle, Guess It Right, Chef and Secret Ingredients, Xor Decomposition, Yet Another Tree Problem, Art of Balance, Maximize the Tax

Total Problems Solved: 68