Oscar Vega Huayanay

• Username: 1★rxcso
• Country:  Peru
• Student/Professional:Student
• Institution:Pontificia Universidad Catolica del Peru
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2026 (Jan-Jun)2025 (Jul-Dec)2025 (Jan-Jun)

Rating Graph

No. of Contests Participated: 7

Current Ratings Graph Old Ratings Graph

1325 (-260)RatingProvisional
Rating i Provisional Rating, click to know more

August Challenge 2015(2015-08-17 15:00:00)

Global Rank:   6690

Cheated in:   

Ratings System Update

(2015-08-17 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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1325 (-76)RatingProvisional
Rating i Provisional Rating, click to know more

August Challenge 2015(2022-12-20 00:00:00)

Global Rank:   6690

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 (7)

February Challenge 2014

Longest Common Pattern

March Challenge 2014

Walk, Little Chef and Numbers

July Challenge 2014

Chef and Frogs, Count Substrings, Dish Owner

October Challenge 2014

DevuLand, Dinosaurs and Laddus, Magical Girl and Colored Liquid Potions, Chef and Square, Chef and Ground, Remy paints the fence

February Challenge 2015

Chef and Chain, Chef and Strange Formula, Chef and Equality

March Challenge 2015

Chef and Notebooks

August Challenge 2015

Way Out, Gravity Guy, Devu And Churu , Cooking Machine, Aditi and Magic Trick, Chef and insomnia

Total Problems Solved: 22