Bùi Việt Dũng

• Username: 4★bvdung
• Country:  Vietnam
• Student/Professional:Student
• Institution:University of Wisconsin-Madison WI 53706, USA
• 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: 30

Current Ratings Graph Old Ratings Graph

1990 (+56)RatingProvisional
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Starters 82 Division 2 (Rated)(2023-03-22 23:00:02)

Global Rank:   5

Cheated in:   

Ratings System Update

(2023-03-22 23:00:02)

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1934 (-104)RatingProvisional
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June Challenge 2020 Division 1(2022-12-20 00:00:00)

Global Rank:   320

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 (30)

September Challenge 2015

Chain of Doughnuts

February Challenge 2016

Chef-Detective

April Challenge 2016

Help Watson Escape, Chef and Ballons, Chef And Magical Path, Chef And Coloring

May Challenge 2016

Chef and math, Chef and Balls, Forest Gathering, Chef and Big Soccer, Laddu

September Challenge 2016

Chef and Friends, Chef and calculation, Faded Palindromes, Chef and digits of a number

December Challenge 2016

Train Partner, Our Base is Under Attack

January Lunchtime 2016

Triangle Classification

August Lunchtime 2016

Studying Alphabet

March Challenge 2017

Bear and Extra Number, Bandwidth of a matrix, (CH) Bear and Sorted Rows, Pishty and birthday, Xenny and Alternating Tasks, Cooking Schedule

June Challenge 2017

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

July Challenge 2017

Calculator , IPC Trainers, Whats in the Name, Chef and Sign Sequences

August Long Challenge 2017

Chef and Rainbow Array, Chef And Fibonacci Array, Chef and Mover, Palindromic Game, Greedy Candidates

September Challenge 2017

Chef and Pick Digit, Minimum Good Permutation, Little Chef and Sums

November Challenge 2017

Chef goes Left Right Left, Villages and Tribes, Periodic Palindrome Construction

January Challenge 2018

(Challenge) Chef and Palindromes, Partition the numbers, String Merging, Maximum Score, K-Concatenation, Rectangle

January Lunchtime 2018

Chef and Game with Sequence, Chef and Escaping from the Labyrinth

February Challenge 2018

Chef And His Characters, Chef And The Patents

June Challenge 2018 Division 2

Naive Chef, Binary Shuffle, Sheokand and String

October Challenge 2018 Division 1

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

September Lunchtime 2018 Division 2

Judging Delay, Opposite Cites, Chef Restaurant

January Challenge 2019 Division 1

Different Neighbours, Distinct Pairs

May Cook-Off 2019 Division 1

Misha and Nice Sets, Bitsetbaba and Power Grid, Expected Xor, Searching for a Biclique

June Cook-Off 2019 Division 1

Ants and Anteaters, Drink Slush

May Cook-Off 2020 Division 1

Chef, Chefina and Their Friendship, Roads in Chefland

June Challenge 2020 Division 1

Operations on a Tuple, The Delicious Cake, The Tom and Jerry Game!

July Challenge 2021 Division 1 (Unrated)

Chef and Pairs, K Path Query

Starters 82 Division 2 (Rated)

Tree Game, Make Them Alike, Find eX, Make A-B Same, Difference Matrix, MIN To MAX

Total Problems Solved: 97