NONE NAME

• Username: 4★ahmadreza1994
• Country:  Russia
• Student/Professional:Student
• Institution:Saint Petersburg State University
• 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: 11

Current Ratings Graph Old Ratings Graph

1841 (+119)RatingProvisional
Rating i Provisional Rating, click to know more

October Challenge 2016(2016-10-17 15:00:00)

Global Rank:   56

Cheated in:   

Ratings System Update

(2016-10-17 15:00:00)

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1841 (+83)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   56

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)

Practice Paths (1)

Practice for ZCO and INOI

12%

Contests (11)

March Challenge 2016

maximize the sum, Chef And Special Dishes, Palindromic substrings

April Challenge 2016

Help Watson Escape, Chef and Ballons, Chef And Magical Path, Chef And Coloring

August Challenge 2016

Chef and His Garden, Chef and Circle Run, Chef and Chocolate, Chef and Round Run

September Challenge 2016

JosephLand, Chef and calculation, Faded Palindromes, Chef and Matrix Division, Dividing Machine, Chef and Friends, Chef and digits of a number

October Challenge 2016

Chef and Three Dogs, Chef and Two String, Fenwick Iterations, Big Queries, Chef and Keyboard, Sereja and Stones, Sereja and Progressions

March Cook-Off 2016

Digital clock, Dual Nim, Alternating subarray prefix

April Cook-Off 2016

Movie Weekend, Odd Divisors

July Cook-Off 2016

Chef and Proportion, Chef and Numbers

September Cook-Off 2016

Lazy Jem

Total Problems Solved: 118