Reza Ashtiani

• Username: 4★reza_h
• Country:  Iran
• Student/Professional:Student
• Institution:Amirkabir University of Technology Tehran, Iran
• 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: 12

Current Ratings Graph Old Ratings Graph

1884 (+16)RatingProvisional
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April Cook-off 2018 Division 2(2018-04-23 00:00:02)

Global Rank:   100

Cheated in:   

Ratings System Update

(2018-04-23 00:00:02)

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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1884 (+64)RatingProvisional
Rating i Provisional Rating, click to know more

April Cook-off 2018 Division 2(2022-12-20 00:00:00)

Global Rank:   100

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 (12)

March 2012 Challenge

Home Delivery, Spoon in Matrix, Free Shuttle Service

August Challenge 2012

Little Elephant and Bombs, Delivery Boy

July Cook-Off 2014

Copy-Paste

July Challenge 2014

Count Substrings, Dish Owner, Reach The Point, Chef and Rectangle Genome, Chef and Frogs, Garden Game

August Challenge 2014

Little Elephant and T-Shirts, Chef and Reversing, The Leaking Robot, Cleaning Tables, Chef and Gift

September Challenge 2014

Fun with Rotation, Chef and sequence, Chef and Rainbow Array - 2, Factorisation, Chef and Left-Right

October Challenge 2014

Remy paints the fence, Chef and Ground, Chef and Square, DevuLand, Dinosaurs and Laddus

May Challenge 2015

Chef and new recipe, Set Difference , Chef and Prime Divisors, Devu and binary String, Devu and his three Hands

June Challenge 2015

Chef and Memory Limit, Chef and Polygons

July Challenge 2015

Bread, Na2a and lucky stone, Chef and Cube

August Challenge 2015

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

April Cook-off 2018 Division 2

Cut the Board, Binary Nim

Total Problems Solved: 108