Rajarshi Basu

Practice: 

Chef and Magic Arrays, Dividing the Students, Coffee Breaks, Chef and Fruits, Parity tree, Fantastic Four, Chef and odd queries, Sum of Primes, Counting Pretty Numbers, Adi and the Tree, Ada Matrix, Mystery Tree, Impressing Chefina

March Challenge 2016: 

Palindromic substrings, Chef and Number Guessing, maximize the sum, Chef And Special Dishes

April Challenge 2016: 

Help Watson Escape, Chef and Ballons, Chef And Magical Path, Chef And Coloring

May Challenge 2016: 

Chef and Balls, Forest Gathering, Chef and Big Soccer, Laddu

June Challenge 2016: 

Chef And The Hiring Event, Chef and Rectangle Array, Chef and New Game, Chef and Array and K, Chef And Binary Operation, Chef and Coins Game, Chef and cities, Devu and an Array

July Challenge 2016: 

Andrash and Stipendium, Chef and Segments, Chef and Tetris, Chef and Robots Competition, Chefland and Electricity

September Challenge 2016: 

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

October Challenge 2016: 

Chef and Keyboard, Fenwick Iterations, Chef and Three Dogs, Chef and Two String

November Challenge 2016: 

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

March Cook-Off 2016: 

Digital clock, Alternating subarray prefix

May Cook-Off 2016: 

Phantasialand

July Cook-Off 2016: 

Chef and Proportion, Chef and Numbers, Chef and Land

September Cook-Off 2016: 

Lazy Jem

October Cook-Off 2016: 

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

December Cook-Off 2016: 

Chef and Subset

March Lunchtime 2016: 

Simple Statistics

September Lunchtime 2016: 

Chef and Inequality

October Lunchtime 2016: 

The Largest Bouquet

Past ZCO Problems: 

Wormholes, Matched Brackets 2, Tournament, Little Red Riding Hood, Chewing, SUPW, Smart Phone, IPL, Variation, Covering, Bookshelves, Bamboo Art, ZCO 2019 - 2 UpDown Sequences, Weird Ordering, Interleavings and Blocks

Codegolf 2016: 

Trump and allegations

LoC Competitive Programming Marathon: 

Bipin vs Balajiganapathi , Acronym counter, Pankaj and Icecream, Polynomial Differentiation, Rectangles

ITerate: 

TRICKY BALLS, SHARP SWORD, ANTIDOTE, ALICE INTERVIEW

CODE MARATHON: 

CONNECTING LINES, Adjacent Towers

aBaCUS16: 

Geek Sundaram attains inner peace, The anxious Geek Sundaram

March LoC Competitive Programming Marathon: 

Birthday Treat, Mod in an Array, Play with Roses

RECursion Challenge II: 

The Story Of Two Robbers, Decode, Stack of books

Codervation qualifiers: 

Freshers and Name problem, The Bracket Problem, Tom and Series, Lucky String

BIG-O v2.0: 

Sachin & his Girlfriend, Watsy & his Mam

Recursion Junior Challenge-II : 

Gargi and Strings, The Whim of Mr Doraemon, Friends with Strings, Siddhu Prime Numbers, Abhi and The Monster

April LoC Competitive Programming Marathon: 

Byteland Tour, Very Simple Question Returns, Kids in Academy, Rolling in the Deep, Anmol and Running

May LoC Competitive Programming Marathon: 

Cycle Race, Very Simple Question- The Quadruple, Teaching Tree, Post It DNA Sequences, Hungry Harish

June LoC Competitive Programming Marathon: 

Chef Shifu and Celebration, Good Numbers, Skyscraper Equilibrium

July LoC Competitive Programming Marathon: 

Sherlock Holmes and Numbers, Arranging teams in a programming competition, Longest Even Subarray, Forever alone

August LoC Competitive Programming Marathon: 

Bob and square field, Three Chefs and a Big Number, Chef and Chess Tournaments, Moves like a jagger

BUG4EVER: 

Twisted Sum, Weird Spider, Mr Robot

KJSCE Code Spree: 

Robo And Walls, Sagar And Strings, Coldplay Concert

Techfest International Coding Challenge - Game of Codes: 

Rulers of Investments

NPL Elimination Round: 

Monica and toys

BITFLIT: 

The Saviours, Special Cracker

Keteki Quick Match 4: 

Help Deepak Find Unique Names, Sum the Alphabets

March Challenge 2017: 

Cooking Schedule, Xenny and Alternating Tasks, Pishty and birthday, Bear and Extra Number, (CH) Bear and Sorted Rows, Bandwidth of a matrix

Past INOI Problems: 

Triathlon, Table Sum, Calvins Game, Sequence Land, Highway Bypass, Special Sums, Periodic Strings, Free ticket, Wealth Disparity, Brackets, Training - INOI 2017, 1 Road Trips and Museums - INOI 2018, Interesting Sequences

May Challenge 2017: 

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

June Challenge 2017: 

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

July Challenge 2017: 

Chef and Sign Sequences, Pishty and tree, Tree Expectancy, Whats in the Name, Calculator , IPC Trainers, Two Coins

September Challenge 2017: 

Chef and Pick Digit, Minimum Good Permutation, Fill The Matrix, Little Chef and Sums

November Challenge 2017: 

Product on the segment by modulo , Chef Hates Palindromes, Chef and Subarray Queries, Chef goes Left Right Left, Lovers Gift, Periodic Palindrome Construction, Villages and Tribes

April Cook-Off 2017: 

Bear and Candies 123, Bear and AB

May Cook-Off 2017: 

La Liga

July Cook-Off 2017: 

Chang and Bitwise OR, Chang and the Perfect Function, Chang and Perfect Quadruples

September Cook-Off 2017: 

Statistics Construction, Subsequence Equality

October Cook-Off 2017: 

Chef and Counting Test, Chef and Employment Test, Chef and Weird Queries

December Cook-Off 2017: 

Beautiful Array, Football Match

September Lunchtime 2017: 

Chef and Dice, Chef and Cook-Off Contests

October Lunchtime 2017: 

Buggy Calculator, Maximum Number

November Lunchtime 2017: 

Smart Strategy

Coders' Legacy 2017A: 

Names of Places, Saving Up, Number Game

ProCon Junior 2017: 

Node Jumping, The Traveling Minister, Impersonating Palindromes, Jon Snow vs White Walkers, Currency Equity

Atmos CodeJam Qualifiers: 

String Matching, Disparity check, The Birthday Party

March Lunchtime 2018 Division 1 (Unrated): 

Three Integers, Magic Elements

April Lunchtime 2018 Division 1: 

The hardest gcd problem, Triple-tree decomposition, Fast forward travelling

July Challenge 2018 Division 1: 

Pizza Delivery, Tom and Jerry, Reach Equilibrium, Chef and War with Taran (Challenge), No Minimum No Maximum, Gears

Elektra 3.0: 

Jack, Jill and Chefland

January Challenge 2019 Division 1: 

Yet Another Problem About Sequences, Different Neighbours, Partition the Graph, Distinct Pairs, Party, (Challenge) Chef and Matching Game, A Pizza Slice

January Cook-Off 2019 Division 1: 

Ada School

Innovacion 2019 : Algorithmist: 

Bags and Balls

February Challenge 2019 Division 1: 

Manhattan Rectangle, Guess It Right, Chef and Secret Ingredients, Xor Decomposition, Yet Another Tree Problem, (Challenge) Chef with Orchestra in the Kitchen, Art of Balance, Maximize the Tax

Blueprint: 

Motu and Alphabets, Divisibility by Four, Colourful Graph

April Cook-Off 2019 Division 1: 

Doubly Increasing Path, Random Game, Pied Piper vs Hooli

April Lunchtime 2019 Division 1: 

Firdavs and Planet F, Minimum Sum

May Lunchtime 2019 Division 1 (Unrated): 

Grid Tour, Reverse Maximisation, Intervals and Intersections, Abdullah and Toll Discounts

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