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- ringo1611
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Practice Paths (1)
Contests (80)
June Challenge 2013
Predictopus, To challenge or not, Lapindromes
July Challenge 2013
The Probability Of Winning, Chef and Walking on the rectangle , Count K-Primes, Circle of death
August Challenge 2013
Little Elephant and Lemonade, Hello Hello, Splitting Candies
August Cook-Off 2013
Chef and The Right Triangles
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
November Challenge 2013
Superpowers of 2, Yet Another Cute Girl, Sereja and Vectors, Uncle Johny, Square Digit Squares, Missing some chairs
November Lunchtime 2013
Lucy and the Number Game
December Challenge 2013
Magic Pairs
January Challenge 2014
Magic Trick, Bon Appetit, Please like me, Chef and Feedback
January Cook-off 2014
Chef and the Cake I
February Cook-Off 2014
Chef and Remissness, Chef and Kingship, Chef and Reunion
March Cook-Off 2014
Dividing Stamps
April Cook-Off 2014
Snape and Ladder
May Cook-Off 2014
Divide the Cake, Ups and Downs
June Cook-Off 2014
Counting Flags, Knapsack Problem, Painting
July Cook-Off 2014
Copy-Paste, Sum Queries
August Cook-Off 2014
Permutation Shuffle
September Cook-Off 2014, ACM-ICPC Warm up
Sherlock and the Grid, Subarray GCD
October Cook-Off 2014
The Army, Walk on the Axis
December Cook-Off 2014
Matrix Again, Player, Good Joke!
February Challenge 2014
Draughts, Make It Zero, 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
April Challenge 2014
Sereja and Permutation, Counting Matrices, Farmer Feb, Cards, bags and coins, Chef and Digits, Divide the Tangerine, Shortest Path in Binary Trees
May Challenge 2014
Compilers and Parsers, Chef-jumping, Chef and Strange Matrix, Stone
June Challenge 2014
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, Chef and Rectangle Genome, Count Substrings, Reach The Point, Dish Owner
August Challenge 2014
Mountain Holidays 2, Sereja and Shuffling, Little Elephant and T-Shirts, Chef and Reversing, The Leaking Robot, Earthquake, Cleaning Tables, Chef and Gift
September Challenge 2014
Chef and Rainbow Array - 2, Chef and Left-Right, Chef and sequence, Fun with Rotation, Flooring
October Challenge 2014
Remy paints the fence, 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, Distinct Characters Subsequence, Chef and Red Black Tree, Let us construct palindrome
December Challenge 2014
XOR with Subset, Chef and Apple Trees
January Lunchtime 2014
Chef and Shop
February Lunchtime 2014
Sereja and ASum, Sereja and Arrays
May Lunchtime 2014
Approximately II
June Lunchtime 2014
The Smallest Pair
August Lunchtime 2014
Harrenhal
September Lunchtime 2014
Chef and easy problem, Chef and easy problem 2, Chef and medium problem 2
October Lunchtime 2014
Tanu and Head-bob, And Tuples, Physics Class, Cascading Style Sheets
December Lunchtime 2014
Delivery Man
January Challenge 2015
Queries on the String, Chef and Stones, Sereja and Votes, One Dimensional Kingdoms, Gcd Queries
January Lunchtime 2015
Piece of cake, Candidate walk
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
March Challenge 2015
Count Substrings, Chef and Notebooks, Devu and his Class, Sign Wave
August Challenge 2015
Way Out, Gravity Guy, Devu And Churu , Cooking Machine, Aditi and Magic Trick, Chef and insomnia
September Challenge 2015
Filling the maze, Chain of Doughnuts, Nikitosh and xor, Count Steps in Matrix, Bank robbery, Lighthouses, Cracking the Code
October Challenge 2015
Time measure, Count Subarrays, Who dares to be a millionaire, Spheres, Cyclic shifts in permutation, Rupsa and Equilateral Triangle
February Cook-Off 2015
Fit Squares in Triangle, Strategy for the World Cup
March Cook-Off 2015
How to Minimize a String, How to Repaint a Fence
August Cook-Off 2015
Chef and the XORed Number , Chef and the Wildcard Matching
September Mega Cook-Off 2015
Reign 2, Forgotten Language, Super Numbers, Stacks
October Cook-Off 2015
Word Stem, Almost Sorted Permutation
August Lunchtime 2015
Make Palindrome, Minimum Maximum
September Lunchtime 2015
Sum of palindromic numbers
October Lunchtime 2015
emitL, Save the nature
January Long Challenge 2016
Rupsa and the Game, Churu and Balls, Cyclist Race
February Challenge 2016
Chef-Detective
March Challenge 2016
Palindromic substrings, maximize the sum, Chef And Special Dishes
June Challenge 2016
Chef And The Hiring Event, Chef and Rectangle Array, Chef and Array and K, Chef And Binary Operation, Chef and Coins Game, Chef and cities, Devu and an Array
September Challenge 2016
Chef and Friends, Dividing Machine, Chef and Matrix Division, Chef and digits of a number, Faded Palindromes, JosephLand, Chef and calculation
November Challenge 2016
Count Permutations, Friends Meeting, Urban Development, Gift and Chef, Chef and squares, Task for Alexey
December Challenge 2016
Train Partner, Kth Max Subarray, Kirito in labyrinth, Our Base is Under Attack
January Cook-Off 2016
Chef and Fruits
March Cook-Off 2016
Digital clock, Dual Nim, Alternating subarray prefix
September Cook-Off 2016
Lazy Jem, The Lost Arithmetic Sequences, Counting Strings
January Challenge 2017
Cats and Dogs
September Challenge 2017
Chef and Pick Digit, Minimum Good Permutation, Little Chef and Sums
June Challenge 2018 Division 2
Naive Chef
October Challenge 2018 Division 2
Minimize Digitsum, Chef and Serves
March Challenge 2019 Division 2
Chef got Recipes, Chef and Number Game, Chef and a Beautiful Digit
June Challenge 2021 Division 2 (Unrated)
Bitwise Tuples, Bella ciao, Summer Heat