Tân Trần

• Username: 4★tan_cht
• Country:  Vietnam
• Student/Professional:Student
• Institution:THPT Chuyên Hà Tĩnh Vietnam
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

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

Rating Graph

No. of Contests Participated: 2

Current Ratings Graph Old Ratings Graph

1871? (+198)RatingProvisional
Rating i Provisional Rating, click to know more

October Challenge 2017(2017-10-16 15:00:00)

Global Rank:   345

Cheated in:   

Ratings System Update

(2017-10-16 15:00:00)

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?

1871? (+55)RatingProvisional
Rating i Provisional Rating, click to know more

October Challenge 2017(2022-12-20 00:00:00)

Global Rank:   345

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 (2)

September Challenge 2017

Sereja and Commands, Chef and Pick Digit, Minimum Good Permutation, Fill The Matrix, Little Chef and Sums

October Challenge 2017

Chef and Magic Arrays, Chef and a great voluntary Program, Chef and Cycled Cycles, Max Mex, Counter Test For CHEFSUM, A Balanced Contest

Total Problems Solved: 11