donghuyhoang

• Username: 2★donghuyhoang
• 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: 19

Current Ratings Graph Old Ratings Graph

1420 (-23)RatingProvisional
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Starters 200 (Rated)(2025-08-20 23:00:04)

Global Rank:   2779

Cheated in:   

Ratings System Update

(2025-08-20 23:00:04)

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1458 (+0)RatingProvisional
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Starters 69 Division 4 (Rated)(2022-12-20 00:00:00)

Global Rank:   674

Cheated in:   

Ratings System Update

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

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Learning Paths (0)

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Contests (19)

Starters 65 Division 4 (Rated)

Parity, Nahaane Jaa, Hackerman, Candies

November Long 2022 Division 4 (Rated)

Time Complexity

Starters 66 Division 4 (Rated)

Binary Battles, Squats, Monopoly in Chefland

Starters 67 Division 4 (Rated)

Expensive Steps , Minimum Number of Ones, Counting Problem, Tour of King

Starters 68 Division 4 (Rated)

Make AP, Bull or Bear, Expense List

Starters 69 Division 4 (Rated)

Akash and Dinner, Rain in Chefland, Scalene Triangle, Convert to permutation

Starters 70 Division 3 (Rated)

Cost of Groceries

December Long 2022 Division 4 (Rated)

Gcd of Subarrays, Good Investment or Not, Divisible by K, Reach fast, Maximise XOR

Starters 72 Division 4 (Rated)

Sum it, Indivisible, Apples and oranges

Starters 74 Division 4 (Rated)

Facebook, Mana Points

January Long 2023 Division 3 (Rated)

Far from origin

Starters 78 Division 4 (Rated)

Valid Expression, Passing Marks, Candy Store, Good Turn

Starters 79 Division 3 (Rated)

Add smallest prime factor, Distinct Opposite Sums, Better Deal

Starters 81 Division 3 (Unrated)

Maximum Capacity

Starters 85 Division 3 (Rated)

Can Chef , Inside The Stadium

Starters 90 Division 4 (Rated)

Learning SQL, AP Free Sequences, Printing Binary Array, Favourite Numbers

Starters 91 Division 3 (Rated)

Odd GCD Permutation, Blobby Volley Scores

Starters 92 Division 3 (Rated)

Rectangular Tiling, Dotify Playlist, Water Filling

Starters 195 (Rated)

Failing Grades, Marble Collector

Starters 200 (Rated)

Restrict Palindromes, Chef Bakes Cake, Good Subsequence

Total Problems Solved: 68