Tran Khanh Hiep

Rookie League

• Username: 5★hieptk
• Country:  Vietnam
• Student/Professional:Professional
• Organisation:Spotify
• 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: 14

Current Ratings Graph Old Ratings Graph

2090 (+8)RatingProvisional
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Starters 218 (Rated till 5 stars)(2025-12-24 22:00:00)

Global Rank:   36

Cheated in:   

Ratings System Update

(2025-12-24 22:00:00)

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1768 (-38)RatingProvisional
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June Challenge 2016(2022-12-20 00:00:00)

Global Rank:   6566

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 (14)

September Challenge 2013

Cool Guys, Little Elephant and Exams, CAO Stage-2, CAO Stage-1, Chef and Integers , Project Spoon

October Challenge 2013

Helping Lira, Maxim and Dividers

August Challenge 2015

Way Out, Gravity Guy, Devu And Churu , Cooking Machine, Aditi and Magic Trick, Chef and insomnia

November Challenge 2015

Eugene and function, Chef and cakes, Simple Sum

July Lunchtime 2015

Greedy puppy, Puppy and game, Puppy and cats

August Lunchtime 2015

Churu and lost string, Make Palindrome, Minimum Maximum

September Lunchtime 2015

Sum of palindromic numbers, Pattern matching, Coffee Breaks

March Challenge 2016

maximize the sum

Starters 106 Division 2 (Rated)

Playing with OR, Save People, Guess the winner!, Count Possibilities, Reach Anywhere

Starters 114 Division 2 (Rated)

Yet another Matrix problem, Rock-Paper-Scissors, Christmas Candy

Starters 159 (Rated)

Random Nim, Elections, Chess Colouring, Glass Bridge (Easy), Super Hero

Starters 162 (Rated till 5 stars)

Empty the String, MEX of XOR, Sum of Empty the String, Permutation Mod K

Starters 218 (Rated till 5 stars)

Collatz Conjecture (Hard), Collatz Conjecture (Easy), Deleting Array Again, Counting Optimal Arrays

Total Problems Solved: 105