Jon Li

• Username: 5★tl268
• Student/Professional:Professional
• Organisation:Google
• 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: 17

Current Ratings Graph Old Ratings Graph

2062 (+6)RatingProvisional
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April Challenge 2012(2012-04-11 15:00:00)

Global Rank:   179

Cheated in:   

Ratings System Update

(2012-04-11 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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2062 (+240)RatingProvisional
Rating i Provisional Rating, click to know more

April Challenge 2012(2022-12-20 00:00:00)

Global Rank:   179

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 (17)

The December 2010 Cook-Off

The Morning Commute, Pairing Chefs, Preparing Dishes

January 2011 Challenge

Restaurant Expansion, Chess Pushing Game, Flu Shot Lineup, Splitting Giant Subs, Count Relations

March Cook-off Challenge

Money Transformation

April Cook-Off Challenge

A Prime Conjecture, Internet Media Types

May Long Contest 2011

Tree Product, The Great Wall of Byteland

June Long Contest 2011

Maximal Score Path, Chef Teams

July 2011 Long Contest

Large Kitchen, A-E Hash Function, Most Popular Friend

August Long Contest 2011

Infinite Grid Game

September Long Contest

Younger Brother, BIT Magazine

October Long Contest 2011

Lucky Palin, Repeated String, The Great Plain, Dish Distribution, The Baking Business

November Long Contest 2011

Chefs new Pet, New Restaurant, The Postal Service, Stepping Average

December 2011 Long Contest

Birthday Gift, Robot Movings, Ciel and Eggs

January 2012 Challenge

Ambidextrous Chefs, Houses and Restaurants, Lucky Sum

February 2012 Challenge

Lucky Long, Count of Maximum, Word Couting, Lucky Count

March 2012 Challenge

Longest Weird Subsequence, Cosine Partition Function, Lucky Number, Free Shuttle Service, Home Delivery, Spoon in Matrix

April Challenge 2012

Parallel Computing, Fit to Play, Double Strings, Stacking Pancakes, Greatest Dumpling Fight

Total Problems Solved: 123