Do Dinh Dac

• Username: 5★bk6aren
• Country:  Vietnam
• Student/Professional:Student
• Institution:Hanoi University of Science and 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: 15

Current Ratings Graph Old Ratings Graph

2168 (+113)RatingProvisional
Rating i Provisional Rating, click to know more

Starters 65 Division 1 (Rated for 5 & 6 stars)(2022-11-16 23:00:00)

Global Rank:   3

Cheated in:   

Ratings System Update

(2022-11-16 23:00:00)

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?

2168 (-16)RatingProvisional
Rating i Provisional Rating, click to know more

Starters 65 Division 1 (Rated for 5 & 6 stars)(2022-12-20 00:00:00)

Global Rank:   3

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 (15)

August Challenge 2019 Division 2

Encoding, Dilemma, Football, Distribute Apples, Zombie and the Caves, Guddu and his Mother

September Challenge 2019 Division 2

Fuzzy Linear Combinations, Chef and Interesting Subsequences , Chef Designed a Network, Power Sum, Doofish Set, Biladerim Icin, Easy Fibonacci, Chef and Good Subsequences

October Challenge 2019 Division 1

Even Edges, Chef and Maximum Star Value

November Challenge 2019 Division 2

Physical Exercise, Weapon Value, From Zero to Infinity, Hard Sequence

December Challenge 2019 Division 2

Chefina and Ranges, Plus Multiply, Binary XOR, Easy Subsequence Selection, Sticky Notes, That Is My Score!, Addition

December Cook-Off 2019 Division 1

Xor It, Crash It, The Inexplicable Giant Floating Baby Head

January Challenge 2020 Division 1

English, Chefina and Prefix Suffix Sums, Doraemon, Chef and Dynamo, Doofish Matrix

February Challenge 2020 Division 1

Chef and Railway Stations, Expected Change, No Change Required

June Challenge 2020 Division 1

The Tom and Jerry Game!

August Challenge 2020 Division 1

Subsequence Frequency Counting, Smallest KMP, Chef and Wedding Arrangements

January Challenge 2021 Division 2

Chef and Ants, Fair Elections, Watching CPL

May Challenge 2021 Division 2 (Rated)

Xor Equality

August Challenge 2021 Division 2 (Unrated)

Special Triplets, Chef and Bulb Invention, Problem Difficulties, Olympics Ranking

August Lunchtime 2021 Division 2

K-th Maximum, Chef and Deque, Longest Spanning Substrings, Just a Graph, Bunny Hops, Crossing Blocks

CodeChef Starters 10 Division 2 (Rated)

Grid Path, Chef and Professor, Magical Flips, Maximise the Subsequence Sum, Remove One Element, Tree Distance Sum

Starters 65 Division 1 (Rated for 5 & 6 stars)

Coordinate Points, Nahaane Jaa, Paisa Double, Binod, Gormint Aunty, Potato to Gold, Lazy Ancestors

Total Problems Solved: 81