Andrei Mishchanka

Practice: 

Houses and Restaurants, Closing the Tweets, Chef and Numbers, Coprime Triples, Square in numbers, Range Minimum Queries , Chef and Subsequences, Find the Maximum Value, Good Pairs, Useful Number, Life Limited, Partition into Permutations, Chef Rami and Inventions, Prefix as a Substring 2

December Challenge 2018 Division 2: 

Chef and An Ideal Problem, Chef and Interactive Contests

December Lunchtime 2018 Division 2: 

Choosing from Buckets, Drawing Lines, Age Calculator, Print Pattern

January Lunchtime 2019 Division 2: 

Rooks, The Nights Watch

February Challenge 2019 Division 1: 

Chef and Secret Ingredients, Art of Balance

March Challenge 2019 Division 2: 

Chef got Recipes, Cheating on Queue, Chef and Number Game, Yet Again a Subarray Problem, Chef and a Beautiful Digit

March Lunchtime 2019 Division 1: 

Corrupted Seven-Segment Display, Travelling Saleschef

April Lunchtime 2019 Division 1: 

Dream Problem, Firdavs and Planet F, Minimum Sum

July Lunchtime 2019 Division 1 (Unrated): 

Delete a Subarray, Professor on a Trip, Two-lane Road

August Lunchtime 2019 Division 1: 

Equal Average, Destroy Cells, Chef Does Coke Yet Again

September Lunchtime 2019 Division 1: 

Find the Sum, Ice Cream Queue, All Substrings, Treeversion

October Lunchtime 2019 Division 1 (Unrated): 

Counting Inversions Again!, Box Game

November Challenge 2019 Division 1: 

Physical Exercise, Smallest Beautiful Number, From Zero to Infinity, Single Point of Failure

December Lunchtime 2019 Division 1: 

The Evil Professor, Guess the number

December Challenge 2019 Division 1: 

Binary XOR

January Lunchtime 2020 Division 1: 

Construct Array, Under the Tunnels

May Lunchtime 2020 Division 1: 

Absolute Min Max, Tree difference, Convert the String, Escape One

June Lunchtime 2020 Division 1: 

Maximum AND, Kuroni and the Cowsheds, Gold Mining, Square Submatrices

SnackDown 2021 - Online Qualifiers: 

Lucky Number, Maximum Number Of Distinct Elements

October Cook-Off 2021 Division 1: 

Can You Reach The End, Find the Modulus

SnackDown 2021 - Online Round 1A: 

Round Robin Ranks , Min Max LCM

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