Vaibhav Gosain

November Cook-Off 2014

Brackets, Petersen Graph

December Cook-Off 2014

Matrix Again, Good Joke!

October Challenge 2014

Chef and Ground

December Challenge 2014

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

September Lunchtime 2014

Chef and easy problem

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

January Lunchtime 2015

Piece of cake, Candidate walk, Just multiply

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, Matrix

April Challenge 2015

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

May Challenge 2015

Devu and his three Hands, Devu and binary String, Chef and Prime Divisors, Set Difference , Chef and new recipe, Chef and Balanced Strings, Chef and Cake, Special Economic Zone

June Challenge 2015

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

August Challenge 2015

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

February Cook-Off 2015

Zombinatorial, Fit Squares in Triangle, Strategy for the World Cup

May Cook-Off 2015

Devu and friendship testing, Devu and decorating birthday cake

June Cook-Off 2015

Ankit, Srijan and a game of stone piles, Longest non regular parentheses sub-sequence, Strange operations

July Cook-Off 2015

Cops and the Thief Devu, Maximize Disjoint Pair Sum

August Cook-Off 2015

Chef and the XORed Number , Chef and the Wildcard Matching

October Cook-Off 2015

Palindrome Pairs, Word Stem, Almost Sorted Permutation

March Lunchtime 2015

Saving a gift of love, Painting the Boxes, Chef Anup

May Lunchtime 2015

Devu and Grapes, Number of Ways

July Lunchtime 2015

Greedy puppy, Puppy and game, Puppy and cats

August Lunchtime 2015

Churu and lost string, Make Palindrome, Minimum Maximum

September Lunchtime 2015

Sum of palindromic numbers

November Lunchtime 2015

Query over Matrix, Black And White Cells, Product on Tree

January Long Challenge 2016

Sereja and Salesman, Chef and Inflation, Rupsa and the Game, Churu and Balls, Chef and Making Triples, Asteroids, Cyclist Race, Dai Ma Chu Shi, Chef and Time Machine, Devu and Perfume

May Challenge 2016

Sereja and GCD 2, Easy Queries, Chef and math, Chef and Balls, Forest Gathering, Chef and Amazingness of Numbers, Optimal Shopping II, Chef and Big Soccer, Laddu, Roads in Stars

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

September Challenge 2016

Chef and Friends, Dividing Machine, Chef and Matrix Division, Chef and digits of a number, Faded Palindromes, JosephLand, Chef and calculation

December Challenge 2016

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

January Cook-Off 2016

Chef and Destruction, Chef and Maximum Sum Matrices , Chef and Fruits

March Cook-Off 2016

Digital clock, Dual Nim, Alternating subarray prefix, The potato problem

April Cook-Off 2016

Movie Weekend, Odd Divisors, Queries on a Binary Tree, LCP Maximization

May Cook-Off 2016

Phantasialand, Maze

July Cook-Off 2016

Chef and Proportion, Chef and Numbers, Chef and Array

August Cook-Off 2016

Tweedle-Dee and Tweedle-Dum , Math Hatter

September Cook-Off 2016

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

October Cook-Off 2016

Sherlock and the Ugly Flower, Watson asks Does Permutation Exist, Sherlock Counts Ways, ChefWatson uses Social Network

November Cook-Off 2016

Sebi and the cube, Sebi and the highway, Sebi and the black money, Sebi and the corrupt goverment

February Lunchtime 2016

Chef and Socks, Chef and Tic-Tac-Toe, Chef and Polygons

July Lunchtime 2016

Will and Closed Set, Drumpf for President!, Lumpy - The Bus Driver, So Close Yet So Far

August Lunchtime 2016

Studying Alphabet, Lock-Free Stack

September Lunchtime 2016

Chef and Inequality

November Lunchtime 2016

Chef and his Students, Chef and Square Set, Tom & Jerry

February Challenge 2017

Chef and Yoda, Primitive Queries, Interval Game, Sereja and Inversions, Rebel rescue, Chef and Triangles, Chef and His Apartment Dues, Most Frequent Element, Gerrymander, Alice and her garden

March Cook-Off 2017

Rainbow Graph, Meeting location, Yet Another Card Game, Increasing Xor Sequence, Safe Robot

May Cook-Off 2017

La Liga, Balanced Array, Hussain Set, Nasty Queries

June Cook-Off 2017

Ada and crayons, A Study in Bake Street, SnackUp, Centeroid

July Cook-Off 2017

Chang and Bitwise OR, Chang and the Perfect Function, Chang and Perfect Quadruples, Bipartite Graph from Trees

August Cook-Off 2017

Tree Connectivity, Matrix and Chef, Real obtuse, From heaven to earth

September Cook-Off 2017

Numbers Game, Infinite OR Game, Statistics Construction, Subsequence Equality, Mixing Colors

January Cook-Off 2018

Multiple of 3, Make array great again, Finding the matrix, Survive in ChocoLand

Problems Authored (14)

Problems Tested (0)

No Contribution

Editorials Contributed (7)