Đang Nguyễn

• Username: 5★luckynumbers
• Country:  Vietnam
• Student/Professional:Student
• Institution:Le Hong Phong High School Ho Chi Minh City, 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: 10

Current Ratings Graph Old Ratings Graph

2025 (-7)RatingProvisional
Rating i Provisional Rating, click to know more

February Cook-Off 2022 Division 1(2022-02-21 22:30:00)

Global Rank:   176

Cheated in:   

Ratings System Update

(2022-02-21 22:30:00)

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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2025 (-86)RatingProvisional
Rating i Provisional Rating, click to know more

February Cook-Off 2022 Division 1(2022-12-20 00:00:00)

Global Rank:   176

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)

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Practice Paths (0)

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Contests (10)

October Challenge 2020 Division 2

Chef and Easy Queries

November Cook-Off 2020 Division 2

Flip the String, Chef and IPC Certificates

September Cook-Off 2020 Division 2

Bowling Strategy

September Lunchtime 2020 Division 2

GCD operations, Watermelon

InfInITy 2k20 Division 2 (Rated)

Better call Saul!, Los Pollos Hermanos, Empire Business , The One Who Knocks!

May Lunchtime 2021 Division 2

Charges, Tom And Jerry 1, Total Components, K-Subarrays

July Cook-Off 2021 Division 2

XOR-ORED, Mod Equality, Beautiful Subsequence

August Challenge 2021 Division 1 (Unrated)

Special Triplets, Olympics Ranking

December Lunchtime 2021 Division 1

Optimal Sorting, Romantic Reversals

Code Drive Division 2 (Rated)

Count of Array, Break And Fix The Tree, Sum this up, Again XOR problem, Maximum Factors Problem, Count Number of Peaks

February Cook-Off 2022 Division 1

Perfect Permutation, PerMEXuation , Mango Market

Total Problems Solved: 111