Duong Nguyen Canh

• Username: 6★duongnc2
• Country:  Vietnam
• Student/Professional:Other
• CodeChef Pro Plan: No Active Plan. View Details

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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

2275 (+62)RatingProvisional
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Starters 192 (Rated till 6 star)(2025-06-25 22:00:00)

Global Rank:   21

Cheated in:   

Ratings System Update

(2025-06-25 22:00:00)

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1528? (+0)RatingProvisional
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September Long 2022 Division 4 (Rated)(2022-12-20 00:00:00)

Global Rank:   121

Cheated in:   

Ratings System Update

(2022-12-20 00:00:00)

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Learning Paths (0)

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Contests (14)

September Long 2022 Division 4 (Rated)

Bob at the Bank, Speed Limit Test, Good Pairs, Interesting Subarray, Chef and Wire Frames, Pokemon Battles

Starters 72 Division 3 (Rated)

Indivisible, Apples and oranges, N Triplets, Good Sequence, No sequence

Starters 76 Division 2 (Rated)

Not Divisible, Construct Array, Expected Value, Zero String, Make Array Odd

Starters 77 Division 1 (Rated till 5 Stars)

Yet Another XOR Sort, Concat Palindrome, K Increment Palindrome, Three Numbers

Starters 100 Division 1 (Rated)

Prime Permutation, Stamps 100, Concussive Sequence, Ant

Starters 113 Division 1 (Rated)

Maximum Score , Score Sum, Make All Equal, Count Distinct Arrays, Minimise Maximum Subarray Sum

Starters 114 Division 1 (Rated till 6 Stars)

Rock-Paper-Scissors

Starters 126 Division 1 (Rated till 6 Stars)

Tree Distance Set, Freedom, Uncommon Cycles, LCD, Triangular Swaps

Starters 131 Division 1 (Rated till 5 Stars)

K-Closeness, Encrypt Value, T-Perm

Starters 136 Division 1 ( Rated till 6-Stars )

Sum of Max K Subarray, Non-Zero XOR, Sum of Modes, Minimum Segments, Lexicographically Maximal Prefix AND, Game On Rectangle

Starters 150 (Rated till 6 stars)

Equal Pairs (Hard), Min Ops (Hard), Replacing Game

Starters 173 (Rated upto < 2700)

Cool Subsequences, Time Penalty, Overwrite

Starters 192 (Rated till 6 star)

MinPath Minimize, Equate XY, No 3 Please!

Total Problems Solved: 82