Karthik Viswanathan

Practice: 

Plant Location, Mountain Holidays, Brackets, Devu, his friends and birthday gifts, How to Repaint a Fence, Maximum Matching, Devu and Manhattan Distance, Devu and decorating birthday cake, Make XOR zero, Rupsa and Number army, The Car Trip of Sundar, Array Filling

November Challenge 2014: 

Chef and Red Black Tree, Distinct Characters Subsequence

December Challenge 2014: 

XOR with Subset, Chef and Apple Trees, Chef Under Pressure

October Lunchtime 2014: 

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

January Challenge 2015: 

Chef and Stones, Gcd Queries

January Cook-Off 2015: 

Tojo hates probabilities, Suraj goes shopping

February Challenge 2015: 

Time to Study Graphs with Chef, Chef and Strings

May Challenge 2015: 

Devu and binary String, Set Difference , Chef and new recipe

June Challenge 2015: 

Sereja and Matrix Division, Chef and String, Anticommutative implication, Another Fibonacci, Chef and Polygons, Chef and Memory Limit, Chef and His Friend, Steady tables

July Challenge 2015: 

Sereja and Game 2, MasterChef, Na2a and lucky stone, Rohith and Circles

October Challenge 2015: 

Rupsa and Equilateral Triangle

February Cook-Off 2015: 

Fit Squares in Triangle, Strategy for the World Cup

April Cook-Off 2015: 

Equality, Version Control System

May Cook-Off 2015: 

Devu and friendship testing

June Cook-Off 2015: 

Strange operations

September Mega Cook-Off 2015: 

Forgotten Language, Super Numbers, Stacks

May Lunchtime 2015: 

Devu and Grapes, Number of Ways

January Long Challenge 2016: 

Sereja and Salesman, Rupsa and the Game, Churu and Balls, Chef and Time Machine, Devu and Perfume

February Challenge 2016: 

Sereja and Two Lines, Chef and Strange Operations, Rectangles of Love

January Cook-Off 2016: 

Chef and Destruction, Chef and Fruits

October Cook-Off 2016: 

Watson asks Does Permutation Exist, ChefWatson uses Social Network

May Challenge 2017: 

Chef and Sub Array , Chef and his daily routine, Courses in an university, Median of adjacent maximum numbers, Chef and Subsequences

February Challenge 2018: 

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

July Challenge 2018 Division 1: 

Reach Equilibrium, No Minimum No Maximum

November Challenge 2019 Division 1: 

Winning Ways

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