Hoàng Dương

• Username: 3★hoangduong
• Country:  Vietnam
• Student/Professional:Student
• Institution:National University of Singapore
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

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

Rating Graph

No. of Contests Participated: 14

Current Ratings Graph Old Ratings Graph

1679 (-63)RatingProvisional
Rating i Provisional Rating, click to know more

August Challenge 2019 Division 2(2019-08-12 15:00:02)

Global Rank:   15540

Cheated in:   

Ratings System Update

(2019-08-12 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?

1679 (+229)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   15540

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 (14)

April Challenge 2014

Chef and Digits, Shortest Path in Binary Trees, Farmer Feb

July Challenge 2014

Garden Game, Chef and Frogs, Count Substrings, Dish Owner

June Lunchtime 2014

The Smallest Pair, Dynamic Inversion

September Lunchtime 2014

Chef and easy problem, Chef and easy problem 2, Chef and medium problem 2

January Challenge 2015

Gcd Queries, Sereja and Votes, Chef and Stones

July Cook-Off 2015

Cops and the Thief Devu, Maximize Disjoint Pair Sum

September Mega Cook-Off 2015

Forgotten Language

February Lunchtime 2015

Lucky Four, The Warehouse

August Lunchtime 2015

Churu and lost string, Make Palindrome, Minimum Maximum

May Challenge 2016

Chef and Balls, Forest Gathering, Laddu

July Challenge 2017

Pishty and tree

August Challenge 2019 Division 2

Dilemma

Total Problems Solved: 47