JUI-NAN

• Username: 5★gkevinyen5418
• Country:  Taiwan
• Student/Professional:Student
• Institution:National Taiwan University
• 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: 12

Current Ratings Graph Old Ratings Graph

2072 (+20)RatingProvisional
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June Challenge 2016(2016-06-15 15:00:00)

Global Rank:   275

Cheated in:   

Ratings System Update

(2016-06-15 15:00:00)

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2072 (+52)RatingProvisional
Rating i Provisional Rating, click to know more

June Challenge 2016(2022-12-20 00:00:00)

Global Rank:   275

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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Contests (12)

January Challenge 2015

Chef and A Large Permutation, Queries on the String, Gcd Queries, Ranka, Xor Queries, Sereja and Votes, Chef and Stones, Sereja and LCM, One Dimensional Kingdoms

February Challenge 2015

Chef and Chain, Time to Study Graphs with Chef, Chef and Strange Formula, Chef and Strings, Let us play with rank list, Xor Matrix, Chef and Equality

March Challenge 2015

Devu and his Class, Sign Wave, Chef and Notebooks

August Challenge 2015

Gravity Guy, Cooking Machine, Aditi and Magic Trick

September Challenge 2015

Chain of Doughnuts, Nikitosh and xor, Count Steps in Matrix, Bank robbery, Lighthouses

October Challenge 2015

Rupsa and Equilateral Triangle, Spheres, Count Subarrays, Time measure, Who dares to be a millionaire

November Challenge 2015

Receipt Recovery, Chef and collection of stamps, Eugene and function, Simple Sum, Chef and cakes

December Challenge 2015

Chef and the stones, Plane Division, Oracle Devu and Longest Common Subsequence, Chef and Filters

August Lunchtime 2015

Churu and lost string, Make Palindrome, Minimum Maximum

February Challenge 2016

Chef-Detective

April Challenge 2016

Amazing Experiment, Mario and Luigi, Help Watson Escape, Fibonacci Queries, Chef and Ballons, Devu and good strings, Chef And Magical Path, Chef And Coloring

June Challenge 2016

Chef And The Hiring Event, Chef and Rectangle Array, Chef and Array and K, Chef And Binary Operation, Chef and Coins Game, Chef and cities, Devu and an Array

Total Problems Solved: 67