To Ngoc Long

• Username: 2★tnlong1997
• Country:  United States
• Student/Professional:Student
• Institution:VNU-HCM High School for the Gifted Vietnam
• CodeChef Pro Plan: No Active Plan. View Details

Activity Heat Map

Last 6 Months 2025 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

Rating Graph

No. of Contests Participated: 5

Current Ratings Graph Old Ratings Graph

1464 (-16)RatingProvisional
Rating i Provisional Rating, click to know more

October Challenge 2015(2015-10-12 15:00:00)

Global Rank:   4695

Cheated in:   

Ratings System Update

(2015-10-12 15:00:00)

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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1464 (-21)RatingProvisional
Rating i Provisional Rating, click to know more

October Challenge 2015(2022-12-20 00:00:00)

Global Rank:   4695

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 (5)

April Challenge 2014

Counting Matrices, Farmer Feb, Chef and Digits, Divide the Tangerine, Shortest Path in Binary Trees

October Challenge 2014

Chef and Ground, Magical Girl and Colored Liquid Potions, DevuLand, Dinosaurs and Laddus

November Challenge 2014

Distinct Characters Subsequence

January Challenge 2015

Chef and Stones

October Challenge 2015

Count Subarrays

Total Problems Solved: 11