rian_tkb

• Username: 6★rian_tkb
• Country:  Japan
• Student/Professional:Other
• 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: 9

Current Ratings Graph Old Ratings Graph

2418 (+51)RatingProvisional
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September Lunchtime 2021 Division 1(2021-09-25 21:30:00)

Global Rank:   14

Cheated in:   

Ratings System Update

(2021-09-25 21:30:00)

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2418 (-96)RatingProvisional
Rating i Provisional Rating, click to know more

September Lunchtime 2021 Division 1(2022-12-20 00:00:00)

Global Rank:   14

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 (9)

August Long Challenge 2017

Chef And Fibonacci Array, Chef and Mover, Palindromic Game, Greedy Candidates, Strings and Graphs, Chef and Rainbow Array

May Lunchtime 2017

Prefix Inversions

July Lunchtime 2017

Find the Maximum Value, Divide the Set

February Challenge 2018

Car-pal Tunnel, Permutation and Palindrome, (Challenge) Biased Committee, Points Inside A Polygon, Chef And The Patents, Chef And His Characters, Broken Clock

February Lunchtime 2018

Game with numbers, Jumping in the hills

March Challenge 2018 DIV 1

Pishty and Triangles, Chef and Easy Problem, Chef and Gcd Queries, Mix the Colors, Minions and Voting

August Challenge 2018 Division 1

Coordinate Compression , Lonely Cycles, Interactive Matrix, Modular GCD, Princess and Dragons

UWCOI 2021 (Rated for all)

Organisation, Array Swaps, Efficient Delivery, Hidden Numbers, Binary Puzzle

March Cook-Off 2021 Division 1

Chef and Sorting, Sort String, Water Transfer, Consecutive Deletions

May CodeChef Starters 2021 Division 1 (Unrated)

Cheating Time, Minimum Popping, Subtree Center, Plagiarism, Lazy Chef, Correct Sentence

September Lunchtime 2021 Division 1

Range Array, Interesting Representation, Subsequence LCS, Alice vs Bob Faceoff

Total Problems Solved: 62