Matthew Allan A. Rosales

• Username: 3★stheitive16_
• Country:  Philippines
• Student/Professional:Student
• Institution:Ateneo de Naga University Philippines
• 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: 32

Current Ratings Graph Old Ratings Graph

1746 (+34)RatingProvisional
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September Mega Cook-Off 2015(2015-09-21 00:00:00)

Global Rank:   349

Cheated in:   

Ratings System Update

(2015-09-21 00:00:00)

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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1746 (-93)RatingProvisional
Rating i Provisional Rating, click to know more

September Mega Cook-Off 2015(2022-12-20 00:00:00)

Global Rank:   349

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 (32)

December Challenge 2013

Magic Pairs

November Cook-Off 2014

Brackets

March Challenge 2014

Walk

April Challenge 2014

Farmer Feb

May Challenge 2014

Chef-jumping

July Challenge 2014

Count Substrings

August Challenge 2014

The Leaking Robot, Chef and Gift

September Challenge 2014

Factorisation, Chef and Left-Right, Fun with Rotation

October Challenge 2014

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

November Challenge 2014

Chef and Segment Game, Distinct Characters Subsequence, Chef and Red Black Tree, Let us construct palindrome, The Spelling Problem

December Challenge 2014

Chef and Apple Trees

September Lunchtime 2014

Chef and easy problem

October Lunchtime 2014

Tanu and Head-bob, Cascading Style Sheets

January Challenge 2015

Sereja and Number Division 2, Gcd Queries, Chef and Stones, One Dimensional Kingdoms

January Lunchtime 2015

Piece of cake

February Challenge 2015

Chef and Chain, Chef and Equality

March Challenge 2015

Chef and Notebooks

April Challenge 2015

Chef and Interview, Broken Telephone, Division of Lands, Chef and Piano Scales

May Challenge 2015

Chef and new recipe

June Challenge 2015

Chef and Memory Limit

July Challenge 2015

Bread, Chef and Cube, Na2a and lucky stone

August Challenge 2015

Way Out, Gravity Guy, Cooking Machine, Aditi and Magic Trick

September Challenge 2015

Chain of Doughnuts, Count Steps in Matrix

September Mega Cook-Off 2015

Forgotten Language, Super Numbers, Stacks

April Lunchtime 2015

Tickets

Total Problems Solved: 125