Vivek Chadha

July Challenge 2016

Andrash and Stipendium

September Challenge 2016

Chef and digits of a number, Chef and calculation, Faded Palindromes

October Challenge 2016

Chef and Keyboard, Chef and Three Dogs

December Challenge 2016

Train Partner

September Cook-Off 2016

Lazy Jem

October Cook-Off 2016

Watson asks Does Permutation Exist

August Lunchtime 2016

Studying Alphabet

September Lunchtime 2016

Chef and Inequality

October Lunchtime 2016

The Largest Bouquet

January Challenge 2017

Cats and Dogs

March Challenge 2017

Xenny and Alternating Tasks, Bear and Extra Number

January Lunchtime 2017

Nothing in Common

February Lunchtime 2017

Bear and Milky Cookies

April Challenge 2017

Dish Of Life, Bear and Row 01, Similar Dishes

May Challenge 2017

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

June Challenge 2017

A Good Set, Chef and the Feast, Xenny and Coin Rankings, Pairwise union of sets

July Challenge 2017

Calculator , Whats in the Name, Chef and Sign Sequences

September Challenge 2017

Chef and Pick Digit, Minimum Good Permutation, Little Chef and Sums

October Challenge 2017

Max Mex, A Balanced Contest

April Cook-Off 2017

Bear and Candies 123

May Cook-Off 2017

La Liga

March Lunchtime 2017

Bear and Ladder

June Lunchtime 2017

Two Numbers

International Coding League (Rated)

Cards Game

IOPC 2017 (Rated)

Max Out

January Challenge 2018

Rectangle

September Challenge 2018 Division 2

Magician versus Chef, Chef and Adventures

December Challenge 2018 Division 2

Chef and Interactive Contests

January Cook-Off 2019 Division 2

Ada School

February Challenge 2019 Division 2

Chef and Magical Jars, Chef and Secret Ingredients, Appy and Contest, Deputy Chef

April Challenge 2021 Division 3

Valid Pair, World Record, Strong Language

June Challenge 2021 Division 3 (Rated)

Bitwise Tuples, Bella ciao, Summer Heat

Problems Authored (14)

Problems Tested (0)

No Contribution

Editorials Contributed (7)