Bohan Chen

• Username:6★acyume
• Country:  China
• Student/Professional:Student
• Institution:Tsinghua University
• Teams List: List of teams by Bohan Chen
• CodeChef Pro Plan: No Active Plan. View Details

Activity Heat Map

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(Last 6 Months)

Rating Graph

No. of Contests Participated: 4

Current Ratings Graph Old Ratings Graph

2270? (+145)RatingProvisional
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October Challenge 2018 Division 1(2018-10-20 15:00:00)

Global Rank:   1

Cheated in:   

Ratings System Update

(2018-10-20 15:00:00)

This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more

2270 (+65)RatingProvisional
Rating i Provisional Rating, click to know more

October Challenge 2018 Division 1(2022-12-20 00:00:00)

Global Rank:   1

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

Junior Rating Graph

No. of Contests Participated: 3

Current Ratings Graph Old Ratings Graph

2051? (+83)RatingProvisional
Rating i Provisional Rating, click to know more

July Challenge 2017(2017-07-17 15:00:00)

Global Rank:   162

Cheated in:   

Ratings System Update

(2017-07-17 15:00:00)

This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more

2051? (+143)RatingProvisional
Rating i Provisional Rating, click to know more

July Challenge 2017(2022-12-20 00:00:00)

Global Rank:   162

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

CodeChef Rating Distribution

Submissions

Practice Problems (9):

Practice: 

Chef and Keyboard, Chef and His Garden, Chef and Chocolate, Chef and Round Run, Tweedle-Dee and Tweedle-Dum , Math Hatter, Lazy Jem, The Lost Arithmetic Sequences, Counting Strings

Contests (31):

September Challenge 2016: 

Dividing Machine, Chef and Matrix Division, Chef and digits of a number, Faded Palindromes, JosephLand, Chef and calculation, Chef and Friends

November Challenge 2016: 

Sereja and Ways in the Cube, Task for Alexey, Sereja and Permutations 3, Chef and Bike, Chef and squares, Gift and Chef, Urban Development, Friends Meeting, Count Permutations, Kirito in Memeland

July Challenge 2017: 

Calculator , Two Coins, IPC Trainers, Whats in the Name, Tree Expectancy, Pishty and tree, Chef and Sign Sequences

October Challenge 2018 Division 1: 

Walk on Tree, Appy and Balloons , Beautiful Bricks, Minimize Digitsum, Chef and Surprise Chessboard, Coprime Components, Distinct Rows in Submatrices

Learning Paths (0):

None

Practice Paths (0):

None

Contributions

Problems Authored (1)

Contest	Problem
APRIL17	DGTCNT

Problems Tested (0)

No Contribution

Editorials Contributed (0)

No Contribution