Christian Adan Hernández Sánchez

• Username: 4★chadan
• Student/Professional:Student
• CodeChef Pro Plan: No Active Plan. View Details

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

Rating Graph

No. of Contests Participated: 15

Current Ratings Graph Old Ratings Graph

1954 (+34)RatingProvisional
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June Cook-Off 2012(2012-06-18 00:25:00)

Global Rank:   66

Cheated in:   

Ratings System Update

(2012-06-18 00:25:00)

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1954 (+110)RatingProvisional
Rating i Provisional Rating, click to know more

June Cook-Off 2012(2022-12-20 00:00:00)

Global Rank:   66

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)

The January 2011 Cook-Off

Whole submatrix, Holes in the text

February Cook - Off Challenge

Three Way Communications

March Cook-off Challenge

Money Transformation, Snake Snaky

April Long Contest

Number Game Revisited, Rectangles Counting

April Cook-Off Challenge

A Prime Conjecture, Internet Media Types

June Cook-off

Correctness of Knight Move, Super-plane

July 2011 Long Contest

Most Popular Friend

August Cook-off 2011

Open the Dragon Scroll

December Cook-Off

Ciel and New Menu, Ciel and A-B Problem

January Cook-Off

Collision in Space

February 2012 Cook-off

Daily Train

March Cook-Off 2012

Ciel Numbers I, Ciel Numbers II

April Cook-Off 2012

Top Batsmen, Resistance

June Cook-Off 2012

Closing the Tweets, Connecting Soldiers

Total Problems Solved: 23