Phạm Quốc Hùng

• Username: 6★hollwo_pelw
• Country:  Vietnam
• Student/Professional:Student
• Institution:High School for Gifted Students, Hanoi University of Science Vietnam
• 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: 16

Current Ratings Graph Old Ratings Graph

2485 (+28)RatingProvisional
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Starters 95 Division 1 (Rated till 6 Stars)(2023-06-21 22:00:00)

Global Rank:   10

Cheated in:   

Ratings System Update

(2023-06-21 22:00:00)

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2373 (-25)RatingProvisional
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June Lunchtime 2022 Division 1 (Rated)(2022-12-20 00:00:00)

Global Rank:   69

Cheated in:   

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(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 (16)

July Lunchtime 2021 Division 3

Beautiful Pairs, Chef and Spells, Red Alert

August Challenge 2021 Division 3 (Rated)

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

September Challenge 2021 Division 2 (Unrated)

XOR Equal, Shuffling Parities, 2-D Point Meeting, Airline Restrictions, Travel Pass

SnackDown 2021 - Online Qualifiers

Lucky Number, Minimise Difference, Maximum Number Of Distinct Elements

SnackDown 2021 - Online Round 1A

Yet Another Flipping Problem, Round Robin Ranks , Dance Moves, Equal Beauty, Min Max LCM

SnackDown 2021 - Online Pre-Elimination

Non-Decreasing Subsequence of size K, Product Pain, Guests like slippers

SnackDown 2021 - Online Elimination Round (Rated for all)

Graduate Work Matters, Sorting Segments

February Long 2022 - I, Division 1 (Unrated)

Digit Multiplication By K, Binary Base Basics, Bitwise Blend, Remove Adjacent

February Long 2022 - II, Division 1 (Unrated)

Sequence GCD, Bitwise swaps, Xor Palindrome

February Lunchtime 2022 Division 1

Chef Cooks Permutation, Visit Them All, Magical Modulo, Magnet Sort

CodeChef Starters 30 Division 1 (Unrated)

Minimum Coloring, Balanced Reversals, Unbalanced Reversals, Prefix Suffix Operations, Gift Shop and Coupon, Maximizing LIS

March Cook-Off 2022 Division 1

Secret Tree, Dragonado And XOR, Alternating Divisibility

March Lunchtime 2022 Division 1

Subsequence, Separate Them All, Adjacency Love, Mathology, Winter

CodeChef Starters 32 Division 1 (Unrated)

Maximize the Minimum, Finding Shoes, Training Plans, Flip Sorting

April Lunchtime 2022 Division 1(Rated)

Modular Circular Permutations, Do Not Touch the MEX!!!, Secret Machine Mania, AND Palindromes

May Cook-Off 2022 Division 1 (Rated)

Different Subarrays Rearrange, Triple Inversions, Split Powers Of 2

May Lunchtime 2022 Division 1 (Rated)

Balanced 0-1 Tree, Equal After And, Rearrange Ranges

June Lunchtime 2022 Division 1 (Rated)

The Lost Array, Max Shift After XOR, XOR Times 2 Is Sum

Starters 74 Division 1 (Rated till 6-Stars)

Mana Points, Minimal Inversions, Medicine Strength, Lcm hates Gcd, Distinct Values, Maximum Xor Sum, Candies, Power Tree

Starters 75 Division 1 (Rated till 6-Stars)

Chefs Favourite Function, Minimum Replacement, Equal Hamming Distance, Prefix Ones

February Cook-Off 2023 Division 1 (Rated)

Alice Potter And Dumbledore Army, Alice Potter and OWL, Take Not Less

Starters 93 Division 1 (Rated for All)

Thank U, Next, NASA, Greedy, Bloodline, Motive

Starters 95 Division 1 (Rated till 6 Stars)

Chef and Moves of GCD, Boxes, Transfusion Chain, Break This Array

Total Problems Solved: 109