Ervin

• Username: 3★ervin90
• Country:  Macedonia
• Student/Professional:Student
• Institution:Polytechnic University of Milan
• 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: 24

Current Ratings Graph Old Ratings Graph

1731 (-47)RatingProvisional
Rating i Provisional Rating, click to know more

November Challenge 2019 Division 2(2019-11-11 15:00:02)

Global Rank:   7523

Cheated in:   

Ratings System Update

(2019-11-11 15:00:02)

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?

1731 (+183)RatingProvisional
Rating i Provisional Rating, click to know more

November Challenge 2019 Division 2(2022-12-20 00:00:00)

Global Rank:   7523

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)

None

Practice Paths (0)

None

Contests (24)

February 2013 Challenge

Buy1-Get1, Little Elephant and Cards, Climbing Stairs

March Challenge 2013

Tourist Translations, Approximately, Minesweeper

April Challenge 2013

Maximum Weight Difference, Levy Conjecture

May Challenge 2013

Name Reduction, Your Name is Mine

June Challenge 2013

Dessert Wizard, Lapindromes, W String, To challenge or not, Predictopus, Little Elephant and Mouses

July Challenge 2013

Galactik Football, Chef and Walking on the rectangle , Count K-Primes

August Challenge 2013

Splitting Candies, Little Elephant and Lemonade

September Challenge 2013

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

October Challenge 2013

Yet Another Nice Girl, Kamehameha, Edit Distance on Grid, Sereja and Transformation, Maxim and Dividers, Helping Lira, Little Elephant and Bamboo

November Challenge 2013

Superpowers of 2, Yet Another Cute Girl, Uncle Johny, Square Digit Squares, Missing some chairs

December Challenge 2013

Rectangular Queries, Reign, Funny Marbles, Magic Pairs, Chef and Codes

January Challenge 2014

Bon Appetit, Please like me, Chef and Feedback

February Challenge 2014

Longest Common Pattern

May Challenge 2014

Compilers and Parsers, Chef-jumping, Stone

June Challenge 2014

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

July Challenge 2014

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

September Challenge 2014

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

October Challenge 2014

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

March Challenge 2017

Xenny and Alternating Tasks, Bear and Extra Number

April Challenge 2017

Similar Dishes, Bear and Row 01, Dish Of Life

May Challenge 2017

Chef and Sub Array , Chef and his daily routine, Courses in an university, Blocked websites, Median of adjacent maximum numbers

June Challenge 2017

A Good Set, Chef and the Feast, Xenny and Coin Rankings, Triplets, Pairwise union of sets

November Challenge 2019 Division 2

Weapon Value

Total Problems Solved: 98