guangwei xiong

• Username: 4★hehexgw
• Student/Professional:Student
• Institution:Guang Yi Middle School Hunan, China
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2026 (Jan-Jun)2025 (Jul-Dec)2025 (Jan-Jun)

Rating Graph

No. of Contests Participated: 4

Current Ratings Graph Old Ratings Graph

1865? (-163)RatingProvisional
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November Challenge 2016(2016-11-14 15:00:00)

Global Rank:   1135

Cheated in:   

Ratings System Update

(2016-11-14 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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1865 (+94)RatingProvisional
Rating i Provisional Rating, click to know more

November Challenge 2016(2022-12-20 00:00:00)

Global Rank:   1135

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 (4)

March Challenge 2015

Chef and Notebooks, Chef and Problems, Sereja and Random Array, Devu and his Class, Sign Wave, Matrix, Counting on a Tree, Count Substrings

April Challenge 2015

Division of Lands, Devus and their voting system, Black-white Board Game, Chef and Piano Scales, Inversion sorting, Broken Telephone, Chef and Interview, Chef and Array, Count Sequences

October Challenge 2016

Chef and Keyboard, Big Queries, Fenwick Iterations, Chef and Three Dogs, Power Sums, Chef and Two String

November Challenge 2016

Count Permutations, Chef and squares, Task for Alexey

Total Problems Solved: 32