haoran.xu

• Username: 4★hgame
• Student/Professional:Professional
• Organisation:China Chongqing
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2025 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

Rating Graph

No. of Contests Participated: 6

Current Ratings Graph Old Ratings Graph

1898 (-16)RatingProvisional
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July Challenge 2013(2013-07-15 15:00:00)

Global Rank:   563

Cheated in:   

Ratings System Update

(2013-07-15 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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1898 (+121)RatingProvisional
Rating i Provisional Rating, click to know more

July Challenge 2013(2022-12-20 00:00:00)

Global Rank:   563

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 (6)

March Cook-off 2013

Palindrome, The Ball And Cups

April Challenge 2013

Little Elephant and Music, Barcelona Gameplay Tactics, ChefGame, Kingdom Unity, Fault Tolerance, Maximum Weight Difference, Levy Conjecture, Cylinder

April Cook-Off 2013

Andrew and the Strings, Andrew and the Meatballs again, Andrew and the Meatballs, Andrew and the Birthday

May Challenge 2013

Matchsticks, Witua and Math, Name Reduction, Your Name is Mine, Field Trip

June Challenge 2013

Lapindromes

July Challenge 2013

The Probability Of Winning, Chef and Walking on the rectangle , Count K-Primes, Circle of death

Total Problems Solved: 39