Xiaoxu Guo

• Username: 5★ftiasch
• Student/Professional:Student
• Institution:Shanghai Jiao Tong University
• 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: 15

Current Ratings Graph Old Ratings Graph

2071 (-16)RatingProvisional
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September Challenge 2017(2017-09-11 15:00:00)

Global Rank:   748

Cheated in:   

Ratings System Update

(2017-09-11 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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2071 (+114)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   748

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 (15)

March 2012 Challenge

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

April Challenge 2012

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

July Challenge 2012

Chef's Dream, Gift Rift, The Gray-Similar Code, My Fair Coins

August Challenge 2012

Little Elephant and Bombs, Lucky Driving, Range of Data, Delivery Boy

September Challenge 2012

Kisses & Hugs, Three is Crowd, ChefTown Parade, Queries About Numbers, Chef World, Lights, Racing Horses

October Challenge 2012

Need More Diamonds, The New Scheme, Blade Master, Maximum Sub-rectangle in Matrix, Event Organizer, Fierce Battles, Little Elephant and Order

December Challenge 2012

Sereja and Data Structures , Granama Recipes, Magic Rankings, Pizza Delivery

January Challenge 2013

Three Different Numbers, Dividing Products, Chef of the Year, Cucumber Boy and Cucumber Girl, The Minimum Number Of Moves, Hotel Balifornia, Little Elephant and Alcohol, End Of The World

February 2013 Challenge

Little Elephant and Cards, Buy1-Get1, Magic Board, Triangular Queries, Climbing Stairs, Vacation, Word Play

March Challenge 2013

Fire Escape Routes, Minesweeper, Approximately, Festivals, Tourist Translations, Random decreasing function, Peaceful Calculator, Little Elephant and Colored Coins, Longest Article

June Challenge 2013

Lapindromes

January Challenge 2014

ForbiddenSum, Chef and Feedback, Please like me, Bon Appetit, Byteland Tours, Meteor, Counting D-sets, Sereja and Graph, Counting The Important Pairs, Magic Trick

September Challenge 2017

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

Total Problems Solved: 83