lfr123

• Username: 4★lfr123
• Country:  China
• Student/Professional:Student
• Institution:Huazhong University of Science and Technology, Wuhan
• 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

1854? (+131)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   311

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

How the rating system works?

1854? (-28)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   311

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)

None

Practice Paths (0)

None

Contests (3)

May Challenge 2017

Chef and Sub Array , Chef and his daily routine, Courses in an university, Blocked websites, Median of adjacent maximum numbers, Chef and Subsequences

July Challenge 2017

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

IOPC 2017 (Rated)

The Birthday Tears, Max Out

Total Problems Solved: 17