Alexey Kuzmin

• Username: 5★vagnard
• Country:  Ukraine
• Student/Professional:Student
• Institution:Taras Shevchenko National University of Kyiv
• 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: 20

Current Ratings Graph Old Ratings Graph

2191 (-48)RatingProvisional
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October Challenge 2015(2015-10-12 15:00:00)

Global Rank:   1468

Cheated in:   

Ratings System Update

(2015-10-12 15:00:00)

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2191 (+200)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   1468

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 (20)

February 2013 Challenge

Little Elephant and Cards, Buy1-Get1, Climbing Stairs, Efficient Painting

February Cook-Off 2013

Row and Column Operations

March Challenge 2013

Random decreasing function, Tourist Translations, Festivals, Approximately, Fire Escape Routes, Minesweeper

April Challenge 2013

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

May Challenge 2013

Matchsticks, Name Reduction, Your Name is Mine

June Challenge 2013

Little Elephant and Mouses, Collecting Magical Berries, Just Some Permutations 3, Dessert Wizard, Predictopus, To challenge or not, W String, Lapindromes

January Challenge 2014

Magic Trick, Sereja and Graph, Counting D-sets, Meteor, Bon Appetit, Please like me, Chef and Feedback

February Challenge 2014

Little Elephant and Movies, Draughts, Make Him Happy, Chef and Favourite Sequence, Longest Common Pattern, Little Elephant and Subarrays, Colored Array, Make It Zero 2

March Challenge 2014

Team Split, Binary Tournament, Walk, Maximum number, GCD condition, Little Chef and Numbers, Mike and Stamps

April Challenge 2014

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

May Challenge 2014

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

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 Order, Sereja and Permutations, Distinct Characters Subsequence, Chef and Red Black Tree, Let us construct palindrome, Chef and Churu, The Spelling Problem

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, Sereja and Number Division 2, Chef and A Large Permutation, Sereja and LCM, Chef and Stones, Sereja and Votes, One Dimensional Kingdoms, Xor Queries, Ranka, Gcd Queries

February Challenge 2015

Chef and Chain, Time to Study Graphs with Chef, Chef and Strange Formula, Chef and Complex String Coverage, Chef and Strings, Payton numbers, Let us play with rank list, Xor Matrix, Jigsaw Puzzle Solving, Chef and Equality, Devu and Locks

March Challenge 2015

Count Substrings, Chef and Notebooks, Chef and Problems, Devu and his Class, Sign Wave, Matrix

April Challenge 2015

Chef and Interview, Broken Telephone, Inversion sorting, Chef and Piano Scales

October Challenge 2015

Time measure, Count Subarrays, Who dares to be a millionaire, Spheres

June Cook-Off 2015

Longest non regular parentheses sub-sequence, Strange operations

Total Problems Solved: 123