Bui Nguyen Ngoc Thang

• Username: 4★thang040602
• Country:  Vietnam
• Student/Professional:Student
• Institution:Carnegie Mellon University Qatar
• 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: 17

Current Ratings Graph Old Ratings Graph

1805 (+93)RatingProvisional
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February Challenge 2020 Division 1(2020-02-17 15:00:00)

Global Rank:   28

Cheated in:   

Ratings System Update

(2020-02-17 15:00:00)

This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more

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1805 (-439)RatingProvisional
Rating i Provisional Rating, click to know more

February Challenge 2020 Division 1(2022-12-20 00:00:00)

Global Rank:   28

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 (17)

March Challenge 2017

Bear and Extra Number, Xenny and Alternating Tasks

April Challenge 2017

Dish Of Life, Bear and Row 01, Similar Dishes

May Challenge 2017

Chef and his daily routine, Courses in an university, Median of adjacent maximum numbers

June Challenge 2017

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

October Challenge 2017

Max Mex, Counter Test For CHEFSUM, A Balanced Contest

April Cook-Off 2017

Bear and Candies 123, Bear and AB

June Cook-Off 2017

Ada and crayons, SnackUp

March Lunchtime 2017

Bear and Ladder

April Lunchtime 2017

Bear and Segment 01

March Challenge 2018 DIV 2

Chef and Easy Problem, A Big Sale, Mix the Colors, Chef and Glove, Minions and Voting, Minion Chef and Bananas

December Challenge 2018 Division 2

Chef and An Ideal Problem, Max and Electrical Panel, Chef and Interactive Contests, Chef and Meatballs, Directing Edges, (Challenge) Delete DAG, Chef and Interactive XOR

October Challenge 2018 Division 1

Appy and Balloons , Beautiful Bricks, Minimize Digitsum, Chef and Surprise Chessboard

April Challenge 2019 Division 2

Kira Loves Palindromes, Playing with Numbers, Friend or Girlfriend, Maximum Remaining, Subtree Removal, Fencing

August Challenge 2019 Division 1

Guddu and his Mother, Maximize an Expression, Dilemma, Encoding

September Challenge 2019 Division 1

Biladerim Icin, Fuzzy Linear Combinations, Expected GCD, Chef Designed a Network

February Challenge 2020 Division 1

Chef and Railway Stations, Expected Change, No Change Required, Chef and Gordon Ramsay 2, (Challenge) Raisins, Long Contest and Cook Off Overlaps

Total Problems Solved: 157