Ivan Pryvalov

• Username: 4★vanchope
• Student/Professional:Student
• Institution:Saarland University, Saarbrücken
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2025 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

Rating Graph

No. of Contests Participated: 21

Current Ratings Graph Old Ratings Graph

1909 (+26)RatingProvisional
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May Cook-Off 2019 Division 2(2019-05-20 00:02:00)

Global Rank:   131

Cheated in:   

Ratings System Update

(2019-05-20 00:02:00)

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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1909 (+144)RatingProvisional
Rating i Provisional Rating, click to know more

May Cook-Off 2019 Division 2(2022-12-20 00:00:00)

Global Rank:   131

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 (21)

May Long Contest 2011

The Great Wall of Byteland, Tree Product

June Long Contest 2011

Chef Teams, Maximal Score Path

June Cook-off

Correctness of Knight Move, Super-plane

August Long Contest 2011

Infinite Grid Game

August Cook-off 2011

Vote for the Noodle Soup, Open the Dragon Scroll

September Long Contest

Younger Brother, BIT Magazine

October Long Contest 2011

Dish Distribution

October Cook-off

Generalized Arithmetic Progression Free Sequence, Chef Travel Routes

September Challenge 2012

Kisses & Hugs, Racing Horses, ChefTown Parade

October Challenge 2012

Need More Diamonds, Fierce Battles, The New Scheme, Event Organizer, Little Elephant and Order

December Challenge 2012

Granama Recipes, Book Exercises, Magic Rankings, The Uncountable Ways, Pizza Delivery

February 2013 Challenge

Little Elephant and Cards, Buy1-Get1, Climbing Stairs

June Challenge 2013

Lapindromes, W String, To challenge or not, Two k-Convex Polygons, Dessert Wizard, Collecting Magical Berries, Little Elephant and Mouses, Predictopus

July Challenge 2013

Chef and Walking on the rectangle , Count K-Primes

September Challenge 2013

Little Elephant and Exams, Cool Guys, Chef and Integers , Project Spoon, CAO Stage-1, CAO Stage-2

April Challenge 2014

Shortest Path in Binary Trees, Divide the Tangerine, Farmer Feb, Counting Matrices, Chef and Digits

June Challenge 2014

Maxim and Progressions, Chef and Digit Jumps, Chef and Subarray, Guessing Game, Forgot Password

July Challenge 2014

Garden Game, Dish Owner, Reach The Point, Count Substrings, Chef and Frogs, Little Elephant and Painting

March Challenge 2015

Chef and Notebooks

May Challenge 2019 Division 2

Reduce to One

May Cook-Off 2019 Division 2

Chain Reaction, Misha and Nice Sets, Recover the Sequence

Total Problems Solved: 70