rainboy

Practice: 

Matchsticks, Kingdom Unity, Chef and Rainbow Array, Chef and easy problem, Big Queries, Chef and His Garden, Chef and Friends, Chef and Yoda, Train Partner, Fenwick Iterations, Chef and Tetris, Chef And Binary Operation, Cats and Dogs, Chef and Direction, Chef and Robots Competition, Interval Game, Chef and Two String, Kirito in Memeland, Chef and calculation, Completing favorite game, Kth Max Subarray, Lazy Jem, The Lost Arithmetic Sequences, Chef and Digits, Sereja and Increasing subsequence, Hill Jumping, Kirito in labyrinth, Roses for Alexey, MST Queries, Subtree swapping, Digits Cannot Separate, Yet Another Card Game, Increasing Xor Sequence, Stable market, Bear and Row 01, Bear and Clique Distances, A Good Set, Whats in the Name, Walks on the binary tree, Sum of Cubes, Querying on a Grid, Weasel does Xor on Tree, Shooting on the array, Weasel finds Staircase, Polynomials, Lucky Edge, GCD Sum, Prime divisors, Ada Pawns, Ada Rooks, Mex On Subtrees, Permutations LCS, Crazy Row, Outside of Brackets, Pasha and Good Ones, Permutation and Modulus, Minimum Beauty

October Challenge 2016: 

Sereja and Progressions, Chef and Keyboard, Fenwick Iterations, Chef and Three Dogs, Chef and Two String

November Challenge 2016: 

Count Permutations, Friends Meeting, Urban Development, Gift and Chef, Chef and squares, Sereja and Ways in the Cube, Task for Alexey

December Challenge 2016: 

Train Partner, Kth Max Subarray, Kirito in labyrinth, Edit Distance Revisited, Our Base is Under Attack, Bear and Three Colours

December Lunchtime 2016: 

Superheroes and villains, Fly height mode

January Challenge 2017: 

Capital Movement, Cats and Dogs, Digits Cannot Separate, Reservior, Tourists in Mancunia

February Challenge 2017: 

Eugene and big number, Interval Game, Chef and Triangles, Chef and his Best Friend, Chef and His Apartment Dues, Most Frequent Element, Gerrymander

March Challenge 2017: 

Cooking Schedule, Xenny and Alternating Tasks, Pishty and birthday, Bear and Extra Number, (CH) Bear and Sorted Rows, Bandwidth of a matrix

April Challenge 2017: 

Chef and Digits, (CH) Serejs and Billiards, Bear and Random Grid, Chef and Divisor Tree, Stable market, Dish Of Life, Bear and Row 01, Bear and Clique Distances, Similar Dishes

August Long Challenge 2017: 

Chef and Rainbow Array, Chef And Fibonacci Array, Chef and Mover, Palindromic Game, Mathison and the Data Warehouse (Challenge), Greedy Candidates, Strings and Graphs, Flower Pots

September Challenge 2017: 

Sereja and Commands, Sereja and Functions (Challenge), Chef and Pick Digit, Minimum Good Permutation, Weasel does Xor on Tree, Fill The Matrix, Little Chef and Sums

October Challenge 2017: 

Chef and Magic Arrays, Chef and a great voluntary Program, Chef and Cycled Cycles, Max Mex, Counter Test For CHEFSUM, A Balanced Contest, (Challenge) Connecting computers

November Challenge 2017: 

Chef and Intersection Line, Product on the segment by modulo , Chef Hates Palindromes, Chef and Subarray Queries, Chef goes Left Right Left, Lovers Gift, Periodic Palindrome Construction, Villages and Tribes

December Challenge 2017: 

Chef and Universe, Total Diamonds, Santa Delivering Problem, Chef And his Cake, Chef And Easy Xor Queries, Penalty Shoot-out, Red and blue points, Chef and Hamming Distance of arrays

March Cook-Off 2017: 

Rainbow Graph, Safe Robot

July Lunchtime 2018 Division 1: 

Forced Particles, GCD Sum

January Cook-Off 2019 Division 1: 

Ada School, Ada Function, Ada Matrix

June Challenge 2020 Division 1: 

The Tom and Jerry Game!, Operations on a Tuple, The Delicious Cake, Convenient Airports, Guessing Game, Perfect Partitions, Covid Sampling (Challenge), Danya and Different Values

August Lunchtime 2022 Division 1 (Rated): 

Sort the Array, Tree Coloring, Subtract 12 Operation, Maximal Prefix After Flip

September Lunchtime 2022 Division 1 (Rated) (Based on EJOI): 

Increasing Addition, Remove Numbers, Adjacent Pairs, Where Is the Root, Longest Unfriendly Subsequence, Bounded Spanning Tree

February Cook-Off 2023 Division 1 (Rated): 

Take Not Less, Alice Potter and OWL, Alice Potter and Wingardium Leviosa, Crazy Row, Alice Potter And Dumbledore Army

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Problems Tested (0)

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