Oscar Bralo

• Username: 2★alethor
• Country:  Spain
• Student/Professional:Professional
• Organisation:Telefonica
• 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: 24

Current Ratings Graph Old Ratings Graph

1464 (+3)RatingProvisional
Rating i Provisional Rating, click to know more

July Challenge 2016(2016-07-13 15:00:00)

Global Rank:   3077

Cheated in:   

Ratings System Update

(2016-07-13 15:00:00)

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?

1464 (-38)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   3077

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 (24)

April Challenge 2013

Maximum Weight Difference

May Challenge 2013

Your Name is Mine

June Challenge 2013

Lapindromes

August Challenge 2013

Little Elephant and Lemonade, Hello Hello, Splitting Candies

September Challenge 2013

CAO Stage-1

November Challenge 2013

Uncle Johny

December Challenge 2013

Magic Pairs

January Challenge 2014

Chef and Feedback

February Cook-Off 2014

Chef and Remissness, Chef and Kingship

July Cook-Off 2014

Copy-Paste, Sum Queries

February Challenge 2014

Longest Common Pattern, Little Elephant and Subarrays

April Challenge 2014

Farmer Feb, Shortest Path in Binary Trees

May Challenge 2014

Chef-jumping, Stone

June Challenge 2014

Chef and Subarray, Guessing Game

July Challenge 2014

Count Substrings

March Challenge 2015

Chef and Notebooks

July Challenge 2016

Andrash and Stipendium

Total Problems Solved: 40