Abhishek

Practice: 

Arithmancy, Root of the Problem, Substring Problem, Reign 2, Little Elephant and T-Shirts, Coprime Triples, Chef and Array, ICPC Pre-Prelims Practice Round, The Problem Set, Launch Tower, Cool Dude Laxman, Drawing Contest, Just multiply, Road Decoration, Lights and Switches, Matrix, AB and Strings, Supercup, Fast squarer, Devasena, Kalakeya, The Christmas Gift, The making of a cake, Similar Strings, Chef and Polygons, Akhil And Random String

September Cook-Off 2014, ACM-ICPC Warm up: 

Subarray GCD

December Cook-Off 2014: 

Matrix Again, Player, Good Joke!

August Challenge 2014: 

Chef and Reversing, The Leaking Robot, Cleaning Tables, Chef and Gift

September Challenge 2014: 

Factorisation, Chef and Rainbow Array - 2, Chef and Left-Right, Chef and sequence, Fun with Rotation

October Challenge 2014: 

Remy paints the fence, Sereja and two strings, Chef and Ground, Chef and Painting, Chef and Square, Magical Girl and Colored Liquid Potions, DevuLand, Dinosaurs and Laddus

December Challenge 2014: 

Chef Under Pressure, Alok-nath and His Sanskars, Chef and Bracket-Pairs, Kali and Devtas, XOR with Subset, Chef and Apple Trees

October Lunchtime 2014: 

Tanu and Head-bob, Physics Class, Cascading Style Sheets

December Lunchtime 2014: 

Delivery Man

January Challenge 2015: 

Queries on the String, Sereja and Number Division 2, Chef and A Large Permutation, Chef and Stones, Sereja and Votes, One Dimensional Kingdoms, Ranka, Gcd Queries

DPS Dwarka INOI practice contest 01: 

Chef and array

January Cook-Off 2015: 

Suraj goes shopping

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, Sereja and Random Array, Devu and his Class, Sign Wave

April Challenge 2015: 

Count Sequences, Chef and Interview, Broken Telephone, Inversion sorting, Division of Lands, Chef and Piano Scales

June Challenge 2015: 

Steady tables, Chef and His Friend, Chef and Memory Limit, Chef and Polygons

August Challenge 2015: 

Way Out, Gravity Guy, Devu And Churu , Cooking Machine, Aditi and Magic Trick, Chef and insomnia

September Challenge 2015: 

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, Efficient Delivery

December Challenge 2015: 

Chef and cinema, Chef and the stones, Plane Division, Oracle Devu and Longest Common Subsequence, Chef and Filters

February Cook-Off 2015: 

Fit Squares in Triangle, Strategy for the World Cup

April Cook-Off 2015: 

Equality, Version Control System

August Cook-Off 2015: 

Chef and the XORed Number , Chef and the Wildcard Matching

September Mega Cook-Off 2015: 

Forgotten Language, Super Numbers, Stacks

October Cook-Off 2015: 

Word Stem, Almost Sorted Permutation

Code Brunch: 

Byteland fund raiser

CodeZilla Prelims 2015: 

A Valentine Gift

DTU Programming Mania: 

Virat and Numbers, Sachin and Sequences

February Challenge 2016: 

Chef and Job and Rest, Sereja and Two Lines, Chef and Strange Operations, Devu and a light discussion, Rectangles of Love, Chef-Detective, Matrix Maximum Sum, Call Center Schedule

April Challenge 2016: 

Amazing Experiment, Mario and Luigi, Help Watson Escape, Fibonacci Queries, Chef and Ballons, Devu and good strings, Chef And Magical Path, Chef And Coloring, Game of snakes on a grid

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, Sereja and Ways in the Cube, Task for Alexey

December Challenge 2016: 

Train Partner, Kth Max Subarray, Chef and Finding Direction, Kirito in labyrinth, Edit Distance Revisited, Roses for Alexey, Our Base is Under Attack, Bear and Three Colours

January Cook-Off 2016: 

Chef and Destruction, Chef and Fruits

February Cook-Off 2016: 

Puppy and Catchers, Puppy and Board, Puppy and Sum

Past ZCO Problems: 

Smart Phone

BYTES: 

AB and his Team

Codegolf 2016: 

Trump and allegations

February Challenge 2017: 

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

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

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