donghuyhoang

• Username: 2★donghuyhoang
• Country:  Vietnam
• Student/Professional:Other
• CodeChef Pro Plan: No Active Plan. View Details

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Last 6 Months 2026 (Jan-Jun)2025 (Jul-Dec)2025 (Jan-Jun)

Rating Graph

No. of Contests Participated: 20

Current Ratings Graph Old Ratings Graph

1454 (+34)RatingProvisional
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Starters 228 (Rated)(2026-03-04 22:00:04)

Global Rank:   878

Cheated in:   

Ratings System Update

(2026-03-04 22:00:04)

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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)

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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Learning Paths (0)

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Contests (20)

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)

Expense List, Bull or Bear, Make AP

Starters 69 Division 4 (Rated)

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

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)

Indivisible, Apples and oranges, Sum it

Starters 74 Division 4 (Rated)

Mana Points, Facebook

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)

Inside The Stadium, Can Chef

Starters 90 Division 4 (Rated)

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

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

Starters 228 (Rated)

Minimize Error, Min And Operations, Color Festival, Balloon Smash Party

Total Problems Solved: 72