Lê Trọng Hiếu

• Username: 2★backtracking
• Country:  Vietnam
• Student/Professional:Student
• Institution:Posts and Telecommunications Institute of Technology, Vietnam
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

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

Rating Graph

No. of Contests Participated: 7

Current Ratings Graph Old Ratings Graph

1595 (+22)RatingProvisional
Rating i Provisional Rating, click to know more

June Challenge 2019 Division 2(2019-06-17 15:00:02)

Global Rank:   3267

Cheated in:   

Ratings System Update

(2019-06-17 15:00:02)

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?

1595 (-10)RatingProvisional
Rating i Provisional Rating, click to know more

June Challenge 2019 Division 2(2022-12-20 00:00:00)

Global Rank:   3267

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)

Practice Paths (1)

Practice for ZCO and INOI

2%

Contests (7)

January Challenge 2019 Division 2

Fancy Quotes

February Cook-Off 2019 Division 2

Buying New Tablet, Chef and Party

February Lunchtime 2019 Division 2

Average Number, The Tricky Deal

March Cook-Off 2019 Division 2

UEFA Champions League

March Lunchtime 2019 Division 2

Testing Robot, Pogo Stick Competition

May Challenge 2019 Division 2

Reduce to One

June Challenge 2019 Division 2

Road Signs, Chef and Proxy, Guddu on a Date

Total Problems Solved: 39