Congbo Sun

• Username: 5★suncongbo
• Student/Professional:Student
• Institution:Qingdao No.2 Middle School Qingdao, Shandong, China
• CodeChef Pro Plan: No Active Plan. View Details

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Last 6 Months 2025 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

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No. of Contests Participated: 2

Current Ratings Graph Old Ratings Graph

2183? (+372)RatingProvisional
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March Challenge 2021 Division 2(2021-03-15 15:00:02)

Global Rank:   7

Cheated in:   

Ratings System Update

(2021-03-15 15:00:02)

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2183? (+315)RatingProvisional
Rating i Provisional Rating, click to know more

March Challenge 2021 Division 2(2022-12-20 00:00:00)

Global Rank:   7

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 (2)

February Challenge 2021 Division 3

Team Name, Another Tree with Number Theory, Chef and Meetings, Prime Game, Multiple Games, XOR Sums, Maximise Function, Highest Divisor, Frog Sort

March Challenge 2021 Division 2

Maximum Topological Sort, Random Walk Queries, Locked Safe, Space Arrays, Paparazzi Gennady, Consecutive Adding, College Life 4, Dense Graph, Interesting XOR!

Total Problems Solved: 20