amirhossein

• Username: 5★jsonn
• Country:  Iran
• Student/Professional:Student
• Institution:Shahid Dastgheib High School, Shiraz
• 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: 9

Current Ratings Graph Old Ratings Graph

2004 (-11)RatingProvisional
Rating i Provisional Rating, click to know more

Starters 199 (Rated till 5 star)(2025-08-13 22:00:00)

Global Rank:   86

Cheated in:   

Ratings System Update

(2025-08-13 22:00:00)

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2015 (-5)RatingProvisional
Rating i Provisional Rating, click to know more

February Lunchtime 2022 Division 1(2022-12-20 00:00:00)

Global Rank:   215

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

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Contests (9)

CodeChef Starters 20 Division 3 (Rated)

Weird Values, Genes, Brutal-Xors, Chef and Pal, Stable Sequence

C.O.D.E.R.S Division 3 (Rated)

The One On The Last Night, The One with Russ, The One Where It All Began, The One with Ross Wedding

December Cook-Off 2021 Division 2

Median Minimization, Musical Chairs, Destructive Nim, Binary String Game

CodeChef Starters 21 Division 2 (Rated)

Akash and Grid, And Or Union

Infinity 2k21 Division 2 (Rated)

Marbles

Code Drive Division 2 (Rated)

Sum this up, Count Number of Peaks, Maximum Factors Problem, Again XOR problem

Exun 2021-22 Division 2 (Rated)

Sarthak and his Magic Grid, Vedant and his Hidden Array, Aujasvit and the Circle Game, Neil and his Binary Tree

February Long 2022 - I, Division 1 (Unrated)

Binary Base Basics

CodeChef Starters 25 Division 1 (Unrated)

Building Towers, Equal MEX

February Lunchtime 2022 Division 1

Magnet Sort

Starters 48 Division 1 (Unrated)

Positive array, Accurate XOR

Starters 199 (Rated till 5 star)

Perfect Ranges, Fence Colouring, Grid MEX

Total Problems Solved: 63