Kostia
- 5★k0stia
- Ukraine
- Student
- Taras Shevchenko National University of Kyiv
- List of teams by Kostia
- No Active Plan. View Details
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Ratings System Update
(2017-04-17 15:00:00)Ratings System Update
(2022-12-20 00:00:00)CodeChef Rating Distribution
Submissions
Practice Problems (141):
Practice:
Simple Sorting, Genetics, Pruning Trees, Snake Snaky, Restock, Sines Sum Queries, Younger Brother, Vote for the Noodle Soup, Rotate the String, Angry Chef - Crispy Chips, Chefs new Pet, New Restaurant, Moving Coins, Subanagrams, Favourite Numbers, Xor it, Lights, Music & Lyrics, Ciel and Map, Level Of Difference, Mountain Holidays 2, Furik and Rubik and Sub Array, Sequence Transmission, Sereja and Ballons, Matrix, Sorting, Strange Matrix, Kamehameha, Tree, Polo the Penguin and the XOR, Polo the Penguin and the Tree, ForbiddenSum, Chef and Favourite Sequence, Reign 2, Maximum number, GCD condition, Sherlock and Inversions, Chef of The Ancient, Chef and Reunion, Game of Divisors, ABC-Strings, XOR Minimization, 3-Palindromes, Chef and Graph Queries, Little Elephant and T-Shirts, Substrings and Repetitions, Book Game with Chef, Sereja and Bubble Sort, Sereja and Equality, Chef and Bracket-Pairs, Two Companies, Count Permutations, Divisible Subset, Lucky Game, Roots of a Tree, Brand New Game, Game of Numbers, Where the Wild Things Are, Knapsack Problem, Coprime Triples, Dynamic Inversion, Subarray LCM, Earthquake, And Operation, Shift The String, Lowest Common Ancestor, Simple Editor, Cleaning Tables, Fombinatorial, Dragonstone, World War 2, Servers, Jam, Chef And Fibonacci Array, Sereja and Order, Sereja and Game 2, Sereja and Permutations, Updating Edges on Trees, The Dirty Path, Chef and Churu, Player, Lost Graph, Most Distant Points, Chef and Problems, Zombinatorial, Parenthesis with Maximum Sum Subarray, Special Shortest Walk, Anup at Amrithapuri, Random Rudreshwar, Abhijeet and rectangles, Devu and his three Hands, Counting on a Tree, Chef and Prime Divisors, Black-white Board Game, How to Minimize a String, How to Choose a Subset, How to Write a Message, Chef and Cake, Special Agents, How to Repaint a Fence, How to Operate a Robot, Anticommutative implication, Chef and String, Devu and most energetic minion, Devu, his sister and Rangoli, Adding Special Sum, Puppy and GCD, Puppy and Palindromes, Puppy and cats, Churu and lost string, Jump mission, GCD on Tree, Acyclic Graph, Subarray Sum, Count Permutations, Maximum Magic Walk, Palindrome Pairs, Second LIS, Factorial to Square, Sereja and Tree 2, Magical Strings, Chef And Fibonacci Tree, Call Center Schedule, Taxi Fare, Dual Nim, Lopymonials, Three Numbers, Modified Knapsack, Buying a car, Lukas and ATM, Defense System, Optimal Reserve Price, Gift and Chef, The potato problem, LCP Maximization, Bit Twister on a Tree, JosephLand, Chef and squares, Task for Alexey, Pishty and birthday, Sum of Cubes, Weasel does Xor on Tree
Contests (320):
October Long Contest 2011:
Dish Distribution, The Great Plain, The Baking Business, Repeated String, Lucky Palin
July Challenge 2012:
Chef's Dream, My Fair Coins, Little Elephant and Bubble Sort, Gift Rift, Restaurant Rating
September Challenge 2012:
Kisses & Hugs, Chef World, Racing Horses, Queries About Numbers, ChefTown Parade, Three is Crowd
March Challenge 2013:
Random decreasing function, Tourist Translations, Approximately, Fire Escape Routes
April Challenge 2013:
Little Elephant and Music, Barcelona Gameplay Tactics, ChefGame, Kingdom Unity, Maximum Weight Difference, Levy Conjecture
May Challenge 2013:
Matchsticks, Witua and Math, Tree Counting, Juno Puzzle for May, Name Reduction, Your Name is Mine, Field Trip
August Challenge 2013:
Little Elephant and Lemonade, Hello Hello, Save The Princess, The Number Of Solutions, Chef and Segments, 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
November Challenge 2013:
Superpowers of 2, Yet Another Cute Girl, Uncle Johny, Square Digit Squares, Missing some chairs
December Challenge 2013:
Cube Cakes, Chef and Codes, Funny Marbles, Magic Pairs, Reign, Rectangular Queries
January Challenge 2014:
Magic Trick, Sereja and Graph, Meteor, Bon Appetit, Please like me, Chef and Feedback
February Challenge 2014:
Little Elephant and Movies, Draughts, Make Him Happy, Longest Common Pattern, Little Elephant and Subarrays, Colored Array
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, Cards, bags and coins, 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:
Little Elephant and Blocks, 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, Count Substrings, Reach The Point, Dish Owner
September Challenge 2014:
Chef and Rainbow Array - 2, Chef and Swaps, Chef and Left-Right, Chef and sequence, Fun with Rotation, Flooring
October Challenge 2014:
Remy paints the fence, Chef and Ground, Chef and Square, DevuLand, Dinosaurs and Laddus
November Challenge 2014:
Chef and Segment Game, Chef and Words, Distinct Characters Subsequence, Chef and Red Black Tree, Let us construct palindrome
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, Chef and Equality
April Challenge 2015:
Count Sequences, Chef and Array, Chef and Interview, Broken Telephone, Inversion sorting, Chef and Piano Scales
July Challenge 2015:
Addition and Multiplication, Bread, MasterChef, Na2a and lucky stone, Chef and Cube
December Challenge 2015:
Chef and the stones, Plane Division, Oracle Devu and Longest Common Subsequence, Chef and Filters, Chef and Girls
May Cook-Off 2015:
Devu, his friends and birthday gifts, Devu and friendship testing, Devu and decorating birthday cake
February Challenge 2016:
Sereja and Two Lines, Chef and Strange Operations, Devu and a light discussion, Rectangles of Love, Chef-Detective, Matrix Maximum Sum
September Challenge 2016:
Chef and Friends, Dividing Machine, Chef and digits of a number, Faded Palindromes, Chef and calculation
December Challenge 2016:
Train Partner, Kth Max Subarray, Chef and Finding Direction, Kirito in labyrinth, Our Base is Under Attack
Procon 2015:
Graph Sum, An Unfair Fair Game, Little Red Riding Hood and Convolutions, Little Red Riding Hood and Candy Factory, Range Queries
Code Fusion - I:
Republic Day, Raga and Queries, Strange Competition, Joey and his friends, A New City
February Challenge 2017:
Eugene and big number, Chef and Triangles, Chef and His Apartment Dues, Most Frequent Element, Gerrymander
March Challenge 2017:
Cooking Schedule, Xenny and Alternating Tasks, Bear and Extra Number, Bandwidth of a matrix
April Challenge 2017:
Stable market, Dish Of Life, Bear and Row 01, Bear and Clique Distances, Similar Dishes
Learning Paths (0):
None
Practice Paths (5):
Contributions
Problems Authored (0)
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Problems Tested (0)
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Editorials Contributed (0)
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