Ayush Tiwari

Practice: 

The Next Palindrome, Factorial, Small factorials, Marbles, Bytelandian gold coins, Enormous Input Test, GCD2, Life, the Universe, and Everything, Paying up, Gravel, A Prime Conjecture, Ciel and A-B Problem, Greatest Dumpling Fight, Little Elephant and Candies, Closing the Tweets, Connecting Soldiers, Racing Horses, ChefTown Parade, Little Elephant and Divisors, The Minimum Number Of Moves, A Fence for Byteland, Root of the Problem, Three Different Numbers, Fire Escape Routes, Maximum Weight Difference, Levy Conjecture, Your Name is Mine, Predictopus, Lapindromes, Square Digit Squares, Magic Pairs, Chef and Feedback, Farmer Feb, Compilers and parsers, Little Chef and Numbers, Chef-jumping, Chef and Reversing, Chef and Frogs, Chef and Chain, Chef and Digit Jumps, Chef and Subarray, Stone, Count Substrings, Guessing Game, Dish Owner, Sereja and Number Division 2, Magical Girl and Colored Liquid Potions, Let us construct palindrome, Chef and Apple Trees, Chef and Stones, Sereja and Votes, One Dimensional Kingdoms, Fit Squares in Triangle, Gcd Queries, Suraj goes shopping, Tojo hates probabilities, Chef and Equality, Chef and Memory Limit, Chef and Polygons, Sum of Digits, Reverse The Number, Devu and his mouse Jerry, Count Subarrays, Forgotten Language, Sum of palindromic numbers, emitL, Chef-Detective, Processing a string, Mutated Minions, Distinct Codes, Palindromic substrings, Chef and Fruits, Alternating subarray prefix, Faded Palindromes, Chef and Chocolate, Chef and Ballons, Get AC in one go, Ada and crayons, Chef and Round Run, Coins And Triangle, Kitchen Timetable, Better Maximal Sum, K-good Words, Sticks, Right Triangle, Collisions, One more weird game, Chef and Mover, Chef and Numbers, Tweedle-Dee and Tweedle-Dum , Lazy Jem, Chef and Inequality, Watson asks Does Permutation Exist, Minimum Cost Walk, Task for Alexey, Mr Wireless, Chef and Array (Challenge), Digit Longest Increasing Subsequences 2, Chef and His Apartment Dues, Golu and Sweetness, Bear and AB, Flash vs QuickSilver, Chef and his daily routine, Courses in an university, Median of adjacent maximum numbers, Prefix Inversions, Whats in the Name, IPC Trainers, Find the Maximum Value, Mathison and pangrams, Max Mex, Counter Test For CHEFSUM, Chef Hates Palindromes, Statistics Construction, Subsequence Equality, A Balanced Contest, Baga and Prime Numbers, Large Products, Modular GCD, Chef and Employment Test, Chef goes Left Right Left, Periodic Palindrome Construction, Modulo Equality, Compression Algorithm, Villages and Tribes, Strange Function, Pizza Party, Random Pair, Smart Strategy, Football Match, Chef and Game with Sequence, Survive in ChocoLand, Chef and Easy Problem, A Big Sale, Chef and Line, Matrix Game, Jumping in the hills, Mix the Colors, Chef and Glove, Minion Chef and Bananas, Weight of Numbers, Chef Judges a Competition, Three Integers, Magic Elements, Fibonacci String, Minimum Deletions, Count Good Prefixes, Average of Pairs, Workers, The Deadly Sin, Cut the Board, Binary Nim, The Show Must Go On, Rohit and CakeWalk, Shubham and His Garden, Two vs Ten, The hardest gcd problem, Binary Shuffle, Naive Chef, Archi and Comparsion, Problem Sort, Tree Query, Magic Set, Strike or Spare, Encoding Message, Chef and Bored Games, Chef and Polygon Cakes, Chef and Cookies, Sheokand and Number, Spell Bob, King of Chefland, The Great Run, Kill them with your success, Mixi Game, Precious Stones, Balsa For The Three, Big Tournament, Square Mania, Love Triangle, Chef and Eid, Mix Mix Game, ATM Machine, Make a Permutation, (Challenge) Chef with Orchestra in the Kitchen, GANG WAR, The Tricky Deal, Pied Piper vs Hooli, Chain Reaction, Misha and Nice Sets, Recover the Sequence, Dummy Palindromic Strings, Grid Tour, CV, Eat Twice, Drink Slush, Easy Math, Swapping, Naruto Run, Gilfoyle Vs Dinesh, Box Game

September Challenge 2016: 

Chef and digits of a number

October Challenge 2016: 

Chef and Keyboard, Chef and Three Dogs

December Challenge 2016: 

Train Partner

Past ZCO Problems: 

Smart Phone

March Challenge 2017: 

Xenny and Alternating Tasks

August Long Challenge 2017: 

Chef and Rainbow Array

September Challenge 2017: 

Chef and Pick Digit, Minimum Good Permutation, Little Chef and Sums

November Challenge 2017: 

Chef Hates Palindromes, Chef goes Left Right Left, Periodic Palindrome Construction, Villages and Tribes

December Challenge 2017: 

Chef And his Cake, Chef and Hamming Distance of arrays, Penalty Shoot-out, Total Diamonds

January Challenge 2018: 

K-Concatenation, Maximum Score, Rectangle, Partition the numbers

February Challenge 2018: 

Broken Clock, Chef And His Characters, Chef And The Patents, Points Inside A Polygon, Car-pal Tunnel, Permutation and Palindrome

May Challenge 2018 Division 1: 

Dibs on Fibs, Fake Binary Search

LoC April 2018 (Rated for Division 2): 

Cricket Score

Code-XII: 

Dr Christine needs your help, The Robber Language, Help JARVIS solve Expressions

CODEX_X: 

Special Assignment, AFGJI FORTUNE TICKET, Standard Flag

BUET CSE 17 Reception Contest (Replay): 

Boring Marriage, Lover Numbers, Attendence Sheet, Helping Out Crush

Innerve Summer Code Challenge: 

Lottery Money, Mathematical Equation, Jeetu and Circles, Krish and Containers, Good Subsets, Friends Meeting, Big Multiplication

LoC July 2018: 

Chef And College

January Challenge 2019 Division 1: 

Yet Another Problem About Sequences, Different Neighbours, Partition the Graph, Distinct Pairs, A Pizza Slice

February Challenge 2019 Division 1: 

Manhattan Rectangle, Guess It Right, Chef and Secret Ingredients, (Challenge) Chef with Orchestra in the Kitchen, Art of Balance

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