Cen Ruocai

• Username: 4★cenbo
• Student/Professional:Student
• Institution:Zhenhai High School, 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: 3

Current Ratings Graph Old Ratings Graph

1950? (+188)RatingProvisional
Rating i Provisional Rating, click to know more

January Lunchtime 2014(2014-01-26 14:00:00)

Global Rank:   15

Cheated in:   

Ratings System Update

(2014-01-26 14:00:00)

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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1950? (+2)RatingProvisional
Rating i Provisional Rating, click to know more

January Lunchtime 2014(2022-12-20 00:00:00)

Global Rank:   15

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 (3)

May Challenge 2013

Witua and Math, Name Reduction, Your Name is Mine, Field Trip, Matchsticks

June Challenge 2013

Dessert Wizard, Lapindromes, W String, Predictopus, Two k-Convex Polygons, Just Some Permutations 3, Collecting Magical Berries, Little Elephant and Mouses

January Lunchtime 2014

Chef and Shop, Chef and String, Chef and Numbers, Chef and Way

Total Problems Solved: 17