Igor Stassiy

• Username: 5★isti777
• Student/Professional:Student
• Institution:Saarland University, Saarbrücken
• 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: 26

Current Ratings Graph Old Ratings Graph

2185 (-33)RatingProvisional
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April Challenge 2015(2015-04-13 15:00:00)

Global Rank:   766

Cheated in:   

Ratings System Update

(2015-04-13 15:00:00)

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2185 (+89)RatingProvisional
Rating i Provisional Rating, click to know more

April Challenge 2015(2022-12-20 00:00:00)

Global Rank:   766

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 (26)

October Challenge 2012

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

September Cook-Off 2012

Recipe Reconstruction, Carvans

December Challenge 2012

Sereja and Data Structures , Granama Recipes, Book Exercises, Magic Rankings, The Uncountable Ways, Pizza Delivery

February 2013 Challenge

Little Elephant and Cards, Buy1-Get1, Climbing Stairs

April Challenge 2013

Little Elephant and Music, Barcelona Gameplay Tactics, Kingdom Unity, Maximum Weight Difference, Levy Conjecture

June Challenge 2013

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

August Challenge 2013

Little Elephant and Lemonade, Hello Hello, Save The Princess, The Number Of Solutions, Chef and Segments, Sereja and Ballons, Splitting Candies

September Challenge 2013

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

October Challenge 2013

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

November Challenge 2013

Superpowers of 2, Uncle Johny, Square Digit Squares, Missing some chairs

January Challenge 2014

Magic Trick, Sereja and Graph, Bon Appetit, Please like me, Chef and Feedback

March Challenge 2014

Team Split, Binary Tournament, Walk, Little Chef and Numbers, Mike and Stamps, A Story with Strings

April Challenge 2014

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

May Challenge 2014

Little Elephant and Balloons, Compilers and Parsers, Chef-jumping, Chef and Strange Matrix, Stone

June Challenge 2014

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

July Challenge 2014

Little Elephant and Painting, Garden Game, Chef and Frogs, Sereja and Equality, Count Substrings, Reach The Point, Dish Owner, Lucky Game, Game of Numbers

August Challenge 2014

Mountain Holidays 2, Little Elephant and T-Shirts, Chef and Reversing, Team Sigma and Fibonacci, The Leaking Robot, Earthquake, Cleaning Tables, Chef and Gift

September Challenge 2014

Chef and Swaps

October Challenge 2014

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

November Challenge 2014

Chef and Segment Game, Chef and Words, Fombinatorial, Sereja and Permutations, Distinct Characters Subsequence, Chef and Red Black Tree, Let us construct palindrome, Chef and Churu

December Challenge 2014

Chef Under Pressure, Chef and Bracket-Pairs, XOR with Subset, Chef and Apple Trees, Sereja and GCD

January Challenge 2015

Queries on the String, Chef and A Large Permutation, Sereja and LCM, Chef and Stones, Sereja and Votes, One Dimensional Kingdoms, Ranka, Gcd Queries

February Challenge 2015

Chef and Chain, Time to Study Graphs with Chef, Chef and Strange Formula, Chef and Strings, Let us play with rank list, Xor Matrix, Jigsaw Puzzle Solving, Chef and Equality

April Challenge 2015

Count Sequences, Chef and Array, Chef and Interview, Broken Telephone, Inversion sorting

Total Problems Solved: 140