Artur Socha

Practice: 

Nice Quadrangles, Count palindromes, Cleaning Up, Cooling Pies, One Dimensional Game of Life, Cutting Recipes, Preparing Dishes, Holes in the text, Whole submatrix, Three Way Communications, Longest Weird Subsequence, Open the Dragon Scroll, Repeated String, Hotel Bytelandia, Subanagrams, Lucky Count, Houses and Restaurants, Restore the Recipe, Lucky Sum, Ciel and A-B Problem, Lucky Long, Free Shuttle Service, Collision in Space, Zeta-Nim Game, Word Couting, Home Delivery, Count of Maximum, Spoon in Matrix, Fit to Play, Daily Train, Equation Solver, Little Elephant and Product, Little Elephant and Order, Double Strings, Jewels and Stones, Little Elephant and Strings, Stacking Pancakes, Greatest Dumpling Fight, Divisible Pairs, Little Elephant and Alcohol, Little Elephant and Candies, Little Elephant and Movies, Selection for Training Camps, Top Batsmen, Remember the recipe, Lights, Crease Painting, Little Elephant and Bamboo, Little Elephant and Cards, A Home for Chef, Chef's Dream, Kisses & Hugs, Little Elephant and Bombs, Little Elephant and Music, Doom Bakes Cakes, Fierce Battles, Lucky Driving, My Fair Coins, The Gray-Similar Code, Gift Rift, Arranging Cup-cakes, Restaurant Rating, Event Organizer, Closing the Tweets, Alien Chefs, Range of Data, Delivery Boy, Racing Horses, Ciel and Receipt, Ciel and Map, Ciel and Tomya, ChefTown Parade, Three is Crowd, The New Scheme, Granama Recipes, Coin Flip, Recipe Reconstruction, Carvans, Coal Scam, Buy1-Get1, Book Exercises, Tourist Translations, Magic Rankings, Little Elephant and Permutations, Sridhar Likes Travelling, Buying Sweets, The Uncountable Ways, Magic Board, Tree Fun, Little Elephant and Divisors, Pizza Delivery, Packaging Cupcakes, Reversing directions, Collecting Magical Berries, Chef of the Year, Climbing Stairs, Minimum Distance, Many Chefs, Defacing Score, Three Different Numbers, The Ball And Cups, Fire Escape Routes, Lack of Logic, Row and Column Operations, Hotel Balifornia 2, Maximum Weight Difference, Swimming Pool, Your Name is Mine, Cross The Tiger, Product Division Sum , Mountain Holidays 2, Rapid Fire, Determine The Coins, The Devil Number, Recipe Cluster, Space Adventure, Weightlifting Management, KBC, The Number Of Solutions, Greenland, Powerpuff girls Beebo, Oggy And The Cockroaches, Problem 1, Problem 2, Problem 4, Problem 5, Andrew and the Meatballs again, Subtraction Game 1, Chef and Segments, Compressed String, Maxim and Progressions, Count K-Primes, Tywins Tactics, Number of Factors, Splitting Candies, Cooking dishes, Pairwise AND sum, Matrix, Chef and The Right Triangles, Chef and The Divisibility Queries, Road Map, Number of numbers, Polo the Penguin and the Lucky String, Uncle Johny, Exponential Game, Chefs in Queue, Rank of the Number, Magic Pairs, Reign, Rectangular Queries, Perfect Subarrays, Reign 2, Bon Appetit, Please like me, Chef and Feedback, Maximum number, GCD condition, A Story with Strings, Chef and Remissness, Sereja and Arrays, Chef-jumping, Dividing Stamps, Divide the Tangerine, Nice SubSegments, Statements Checking, Chef and Segment Game, Chef and Swaps, Chef and Square, Divide the Cake, Ups and Downs, Counting Flags, The Smallest Pair, Copy-Paste, Shooting, Distinct Characters Subsequence, Chef and Strings, Mahesh and his lost array, Sereja and GCD, Lost Graph, Chef and Stones, Dividing the Students, Parenthesis with Maximum Sum Subarray, Queries On Tree, Bread, Lucky Four, The Warehouse, Inversion sorting, Saving a gift of love, Painting the Boxes, How to Repaint a Fence, Maximize Disjoint Pair Sum, Puppy and cats, Word Stem

September Challenge 2015: 

Count Steps in Matrix, Bank robbery, Lighthouses, Chain of Doughnuts

June Cook-Off 2015: 

Strange operations

Past ZCO Problems: 

Rectangle, Covering, Variation, Break Up, IPL, Smart Phone, SUPW, Video Game, Save Spaceman Spiff, Chewing, Little Red Riding Hood, Tournament, Round Table, Matched Brackets 2, Wormholes, Matched Brackets

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Problems Tested (0)

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Editorials Contributed (0)

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