Yuchen Gu

• Username: 4★llgyc
• Country:  China
• Student/Professional:Student
• Institution:Jiujiang No.1 Middle School, Lulin Rd, Jiujiang, Jiangxi, China
• CodeChef Pro Plan: No Active Plan. View Details

Activity Heat Map

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

Rating Graph

No. of Contests Participated: 3

Current Ratings Graph Old Ratings Graph

1962? (-19)RatingProvisional
Rating i Provisional Rating, click to know more

July Challenge 2018 Division 1(2018-07-16 15:00:00)

Global Rank:   282

Cheated in:   

Ratings System Update

(2018-07-16 15:00:00)

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?

1962? (+27)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   282

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)

June Challenge 2017

A Good Set, Cloning, Chef and the Feast, Xenny and Coin Rankings, Triplets, Pairwise union of sets, Chef and Prime Queries

July Challenge 2017

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

July Challenge 2018 Division 1

Reach Equilibrium, No Minimum No Maximum, Gears

Total Problems Solved: 25