Amit Raj

August Challenge 2014

The Leaking Robot, Chef and Gift

September Challenge 2014

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

October Challenge 2014

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

November Challenge 2014

Chef and Segment Game, Distinct Characters Subsequence, Chef and Red Black Tree, Let us construct palindrome, The Spelling Problem

December Challenge 2014

Alok-nath and His Sanskars, Kali and Devtas, XOR with Subset, Chef and Apple Trees

August Lunchtime 2014

Harrenhal

September Lunchtime 2014

Chef and easy problem

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, Gcd Queries

February Challenge 2015

Chef and Chain, Chef and Strange Formula, Chef and Strings, Let us play with rank list, Chef and Equality

March Challenge 2015

Chef and Notebooks, 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

May Challenge 2015

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

June Challenge 2015

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

July Challenge 2015

Bread, Na2a and lucky stone, Chef and Cube

August Challenge 2015

Way Out, Social Cluster, 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, Rupsa and Equilateral Triangle

November Challenge 2015

Receipt Recovery, Chef and collection of stamps, Eugene and function, Simple Sum, Chef and cakes

September Mega Cook-Off 2015

Forgotten Language, Super Numbers, Stacks

January Long Challenge 2016

Sereja and Salesman, Chef and Inflation, Rupsa and the Game, Churu and Balls, Chef and Making Triples, Cyclist Race, Chef and Time Machine, Devu and Perfume

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

November Challenge 2016

Count Permutations, Friends Meeting, Urban Development, Gift and Chef, Chef and squares, Task for Alexey

September Cook-Off 2016

Lazy Jem, The Lost Arithmetic Sequences, Counting Strings, Find The Point

September Lunchtime 2016

Chef and Inequality

May Challenge 2017

Chef and Sub Array , Gotham PD, Chef and his daily routine, Courses in an university, Blocked websites, Median of adjacent maximum numbers, Chef and Subsequences, Chef and Battleship

June Challenge 2017

Chef and Prime Queries, Saboteur (Challenge), A Good Set, Cloning, Chef and the Feast, Xenny and Coin Rankings, Triplets, Pairwise union of sets

Alkhwarizm 2017 (Rated)

Logan and his XOR debacle, Professor X and Grouping of Numbers

Problems Authored (3)

Problems Tested (0)

No Contribution

Editorials Contributed (1)