Vaibhav Tulsyan

November Challenge 2013

Superpowers of 2, Yet Another Cute Girl, Uncle Johny, Square Digit Squares, Missing some chairs

December Challenge 2013

Chef and Codes, Funny Marbles, Magic Pairs, Reign, Rectangular Queries

January Challenge 2014

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

April Cook-Off 2014

Snape and Ladder

May Cook-Off 2014

Divide the Cake, Ups and Downs

July Cook-Off 2014

Copy-Paste, Sum Queries

September Cook-Off 2014, ACM-ICPC Warm up

Sherlock and the Grid, Subarray GCD

November Cook-Off 2014

Brackets, Petersen Graph

February Challenge 2014

Longest Common Pattern, Little Elephant and Subarrays

March Challenge 2014

Team Split, Walk, Little Chef and Numbers

April Challenge 2014

Sereja and Permutation, Counting Matrices, Farmer Feb, Chef and Digits, Divide the Tangerine, Shortest Path in Binary Trees

May Challenge 2014

Little Elephant and Balloons, 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

Garden Game, Chef and Frogs, Chef and Rectangle Genome, Count Substrings, Reach The Point, Dish Owner

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, 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

November Challenge 2014

Chef and Segment Game, Chef and Words, Distinct Characters Subsequence, Chef and Red Black Tree, Let us construct palindrome

December Challenge 2014

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

May Lunchtime 2014

Approximately II

June Lunchtime 2014

The Smallest Pair

September Lunchtime 2014

Chef and easy problem

October Lunchtime 2014

Tanu and Head-bob, 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, Gcd Queries

January Cook-Off 2015

Suraj goes shopping

January Lunchtime 2015

Piece of cake

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

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, Chef and Cake

August Challenge 2015

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

October Challenge 2015

Time measure, Count Subarrays, Who dares to be a millionaire, Spheres, Rupsa and Equilateral Triangle

February Cook-Off 2015

Fit Squares in Triangle

May Cook-Off 2015

Devu and friendship testing

October Cook-Off 2015

Word Stem, Almost Sorted Permutation

September Lunchtime 2015

Sum of palindromic numbers

November Challenge 2016

Count Permutations, Task for Alexey

December Challenge 2016

Train Partner, Chef and Finding Direction, Kirito in labyrinth

June Cook-Off 2016

Sticks, Right Triangle, Chef Land

December Lunchtime 2016

Superheroes and villains

April Challenge 2017

Chef and Digits, Chef and Divisor Tree, Stable market, Dish Of Life, Bear and Row 01, Bear and Clique Distances, Similar Dishes

May Challenge 2017

Chef and his daily routine, Courses in an university

November Cook-Off 2017

Skiing, Random Pair

January Challenge 2018

Killjee and k-th letter , K-Concatenation, Maximum Score, Rectangle, String Merging, Partition the numbers

International Coding League (Rated)

Matrix Game, Stingy Strings, Maze Love

March Challenge 2018 DIV 1

Pishty and Triangles, Chef Cuts Tree, Chef and Easy Problem, Chef and Gcd Queries, Mix the Colors, Minions and Voting

October Challenge 2018 Division 2

Beautiful Bricks, Minimize Digitsum

ALKHWARIZM (Rated)

Help Voldemort, Hedwig The Smart Bird, Harry Potter and the Goblet of Fire, Wingardium Leviosa, Sam, The Charming Angel

May Challenge 2021 Division 3 (Rated)

Tree House, Xor Equality, Golf, Solubility

Problems Authored (31)

Problems Tested (5)

Editorials Contributed (15)