Smit Mandavia

Practice: 

Transform the Expression, The Next Palindrome, Factorial, Pouring water, Bytelandian gold coins, Ambiguous Permutations, Enormous Input Test, Sums in a Triangle, Turbo Sort, ATM, Paying up, Life, the Universe, and Everything, Paying up, The Best Box, Flipping Coins, Multiples of 3, Cleaning Up, Ciel and A-B Problem, Jewels and Stones, Kisses & Hugs, Arranging Cup-cakes, Racing Horses, Ciel and Receipt, Packaging Cupcakes, Many Chefs, Lack of Logic, Lapindromes, Sereja and Commands, Pairwise AND sum, Factorisation, Uncle Johny, ATM, Number Mirror, Chef and Remissness, Subarray LCM, Chef and easy problem 2, XOR with Subset, Fit Squares in Triangle, Suraj goes shopping, Lucky Four, Add Two Numbers, Find Remainder, First and Last Digit, Smallest Numbers of Notes, Sum of Digits, Reverse The Number, Helping Chef, Second Largest, Small Factorial, Finding Square Roots, Chef and Sign Sequences, Chef and digits of a number, Chef and Three Dogs, Simple Statistics, Better Maximal Sum, Sebi and the highway, Extreme Encoding, Code9, Samosa_love, Pishty and tree, Chef got Recipes, Chef and Isomorphic Array, Whats in the Name, Calculator , IPC Trainers, Statistics Construction, Subsequence Equality, Chef and Counting Test, Chef and Employment Test, Chef and Weird Queries, Minimum SubArray, Rotate Point, Beautiful Array, Football Match, K-Concatenation, Operations on a Tree, Chef and Game with Sequence, Chef and odd queries, Mix the Colors, Mussadi lal and stairs, Average of Pairs, CODEGOLF, Run Direction, Dibs on Fibs, Best Cake Ever, Secret Recipe, Sum OR Difference, Forced Particles, Prime divisors, King of Gopalmath, Chef and Circles, Mr George and the Age Riddle, The Busy Tailor, Interesting Problem Simple Solution, Shaggy Scooby and the Big Sandwich, The Three Conference Passes, Avengers VS Thanos, Chef Restaurant , Reduction Game, Second Largest Element, Chef and Modulo Game, (Challenge) Chef with Orchestra in the Kitchen, Friend, Subtree Removal, Eight’s World, Moving Rectangles (Challenge), Pied Piper vs Hooli, Encoding, Searching for a Biclique, Igzi and Burly Array, Birthday Gift Again, (Challenge) Maximizing LIS, All Substrings, Addition, LCM Constraints, Penalty Shoot-Out II, At the Gates, Box of Chocolates, Ashish and Holidays, Maximize LCM, Tower Counting, Lift Requests, Absolute Min Max, Lost Weekends, Chef and Demonetisation, Chef and Strings, Even-tual Reduction, Chef and Steps, Connect on a Grid (Challenge), Unusual Queries, Pairwise AND, From Rational to Binary

Past ZCO Problems: 

Save Spaceman Spiff, Four Sum

Past INOI Problems: 

Periodic Strings

December Challenge 2017: 

Chef and Universe, Total Diamonds, Chef And his Cake, Penalty Shoot-out, Chef and Hamming Distance of arrays

December Cook-Off 2017: 

Beautiful Array, Football Match

November Lunchtime 2017: 

Smart Strategy

December Lunchtime 2017: 

Days in Month, Strange Function

January Challenge 2018: 

(Challenge) Chef and Palindromes, K-Concatenation, Maximum Score, Rectangle, String Merging, Partition the numbers

January Cook-Off 2018: 

Multiple of 3, Survive in ChocoLand

January Lunchtime 2018: 

Chef and Game with Sequence

February Challenge 2018: 

Broken Clock, Chef And His Characters, Chef And The Patents, Akanksha and End of Semester, Points Inside A Polygon, Car-pal Tunnel, (Challenge) Biased Committee, Permutation and Palindrome

Enigma - Plinth Codesprint: 

Easiest Problem

Fool's Programming: 

Felicity, IIIT and Everything, Ask Key World

February Cook-Off 2018: 

Chef and Cook-Off, Chef and Tuples, Chef and Line

February Lunchtime 2018: 

Game with numbers, Jumping in the hills

C Cubed : 

Euclid in Manhattan, Thats Odd

March Challenge 2018 DIV 1: 

Pishty and Triangles, Chef and Easy Problem, Chef and Gcd Queries, Mix the Colors, Minions and Voting, Minion Chef and Bananas

March Cook-off 2018 Division 1: 

Chef Goes to the Cinema, Chef Restores a Matrix

April Cook-off 2018 Division 1: 

Binary Nim

May Cook-off 2018 Division 1: 

Best Cake Ever, Secret Recipe

June Cook-Off 2018 Division 1: 

Good Permutations

July Cook-Off 2018 Division 1: 

OR Matrix

August Cook-Off 2018 Division 1: 

GukiZ and Candies, Mixi Game

September Mega Cook-Off 2018 Division 1: 

OneTwo, Make a Permutation

October Mega Cook-Off 2018 Division 1: 

Binary Nim 2, Pumping Water

November Cook-Off 2018 Division 1: 

Beautiful Garland, A-B Game

December Cook-Off 2018 Division 1: 

Yalalovichik Numbers

March Lunchtime 2018 Division 1 (Unrated): 

Three Integers, Magic Elements

May Lunchtime 2018 Division 1: 

Count Substrings

April Challenge 2018 Division 1: 

Chef and Array (Challenge), Highway Crossing, Count Good Prefixes

May Challenge 2018 Division 2: 

Mighty Friend, Change the Signs, Minimum Deletions, Xor Again, Fake Binary Search, Dibs on Fibs

June Challenge 2018 Division 1: 

Vision, Binary Shuffle, Naive Chef

July Challenge 2018 Division 1: 

Reach Equilibrium, Chef and War with Taran (Challenge), No Minimum No Maximum, Gears, Magic Set, Strike or Spare, No Strings Attached

August Challenge 2018 Division 1: 

Coordinate Compression , Modular GCD, Problem Sort, Sheokand and Number, Spell Bob

September Challenge 2018 Division 1: 

Sasha and Photos, Magician versus Chef, War of XORs, Chef and Condition Zero (Challenge), Chef and Adventures, Table Game, Bad Shuffle

December Challenge 2018 Division 1: 

Max and Electrical Panel, Chef and Interactive XOR, Chef and Meatballs, Chef and Interactive Contests, Chef and An Ideal Problem

November Challenge 2018 Division 1: 

Chef and Ridges, Appy Loves One, Good Median, Chef, Primes and Trees (Challenge), Magician versus Chef 2, Chef and Difficult Contests, Chef and Happiness

October Challenge 2018 Division 1: 

Appy and Balloons , Beautiful Bricks, Minimize Digitsum, Chef and Surprise Chessboard, Chef and Serves, Byte to Bit

June Lunchtime 2018 Division 2: 

Sort the Leaves, Summary Power, Counting Pretty Numbers

August Lunchtime 2018 Division 1: 

Chef and Eid, Mix Mix Game

September Lunchtime 2018 Division 1: 

Opposite Cites, Chef Restaurant

November Lunchtime 2018 Division 1: 

Beats and Pieces

October Lunchtime 2018 Division 1: 

Coloring the Grid, Weird Question, Niceness of the Arrays

Fool You: 

So hard

Quick Code (Rated for Division 2): 

Immortal Frieza, Majin Vegeta

Binary Battle: 

Square Area

IEMATICS - Mathematics Olympiad: 

Problem 2, Problem 3, Problem 4, Problem 5, Problem 6, Problem 7, Problem 8, Problem 9

December Lunchtime 2018 Division 1: 

Choosing from Buckets, Age Calculator

Keteki QuickMatch 13 (CodeHustle): 

Four Numbers(Keteki), Palindrome (Keteki)

ICPC Asia: Kolkata-Kanpur Onsite Replay Contest 2018: 

Valid Stack Operations

January Challenge 2019 Division 1: 

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

January Cook-Off 2019 Division 1: 

Ada School

January Lunchtime 2019 Division 1: 

Distances, Rooks

February Challenge 2019 Division 1: 

Manhattan Rectangle, Guess It Right, Chef and Magical Jars, Chef and Secret Ingredients, Appy and Contest, (Challenge) Chef with Orchestra in the Kitchen, Art of Balance, Deputy Chef

February Cook-Off 2019 Division 1: 

Max Range Queries, Chef and Secret Password, Chef and Party

February Lunchtime 2019 Division 1: 

The Tricky Deal, Chef Challenge

March Challenge 2019 Division 1: 

Chef got Recipes, Cheating on Queue, Chef and Number Game, Yet Again a Subarray Problem, Chef and a Beautiful Digit

March Cook-Off 2019 Division 1: 

XOR N-bonacci Sequence, Markers and Caps

March Lunchtime 2019 Division 1: 

Corrupted Seven-Segment Display

April Challenge 2019 Division 1: 

Offer for Chef, Kira Loves Palindromes, Mininum XOR over Tree, Playing with Numbers, Friend or Girlfriend, Maximum Remaining, Subtree Removal, Fencing, Moving Rectangles (Challenge)

April Cook-Off 2019 Division 1: 

Random Game, Pied Piper vs Hooli

April Lunchtime 2019 Division 1: 

Dream Problem, Firdavs and Planet F, Minimum Sum

May Challenge 2019 Division 1: 

Ada Rooks 2, Where to Build the Roads

May Cook-Off 2019 Division 1: 

Misha and Nice Sets, Expected Xor, Searching for a Biclique

May Lunchtime 2019 Division 1 (Unrated): 

Grid Tour, Reverse Maximisation

June Challenge 2019 Division 1: 

Road Signs, Chef and Proxy, Lent Money, Count Arrays, Guddu on a Date, Chef and Ingredients, Chef and His Dish, Intersecting Paths, Sum and GCD, (Challenge) SnackDown 99

June Cook-Off 2019 Division 1: 

Ants and Anteaters, Drink Slush

June Lunchtime 2019 Division 1: 

Igzi and Burly Array

July Challenge 2019 Division 1: 

Hit the Coconuts, Guess the Prime!, Parity Again, Codechef War, Circular Merging

July Cook-Off 2019 Division 1: 

Birthday Gift Again

July Lunchtime 2019 Division 1 (Unrated): 

Delete a Subarray, Professor on a Trip, Two-lane Road

August Challenge 2019 Division 1: 

Guddu and his Mother, Encoding, Dilemma, Maximize an Expression, Chef and Gordon Ramsay, Football, Distribute Apples, Zombie and the Caves

August Cook-Off 2019 Division 1: 

Rich Substrings, Two Circles

August Lunchtime 2019 Division 1: 

Destroy Cells

September Challenge 2019 Division 1: 

Biladerim Icin, Fuzzy Linear Combinations, Expected GCD, Doofish Set, Chef Designed a Network, (Challenge) Sebi and CPU Design

September Mega Cook-Off 2019 Division 1: 

Angry Grandfather, Fitness Exercises

September Lunchtime 2019 Division 1: 

All Substrings, Ice Cream Queue, Find the Sum

October Challenge 2019 Division 1: 

Even Edges, Chef and Maximum Star Value, Array Modification, (Challenge) Maximizing LIS

October Mega Cook-Off 2019 Division 1: 

D-Or

October Lunchtime 2019 Division 1 (Unrated): 

Box Game

November Challenge 2019 Division 1: 

Physical Exercise, Smallest Beautiful Number, From Zero to Infinity, Single Point of Failure

November Cook-Off 2019 Division 1: 

The Biggest Restaurant, Robots in Chefland

November Lunchtime 2019 Division 1: 

Planting Trees, Washing Windows, Perfection

December Challenge 2019 Division 1: 

Chefina and Ranges, Plus Multiply, Binary XOR, Easy Subsequence Selection, Sticky Notes, Test Generation, (Challenge) Cubical Virus, That Is My Score!, Addition

Dream In Code 2.0: 

Very Noob Farmer, Razo and his mother, DO ME

January Challenge 2020 Division 1: 

Chef and Dynamo, Doraemon, Doofish Matrix, Chefina and Prefix Suffix Sums, English, Chefland Army, (Challenge) Building Anthills

February Challenge 2020 Division 1: 

Chef and Railway Stations, Expected Change, No Change Required, Chef and Gordon Ramsay 2, The Theatre Problem, School of Geometry, Hard Cash, (Challenge) Raisins, Long Contest and Cook Off Overlaps

March Challenge 2020 Division 1: 

Chef and DAG, Break, Winning Ways 2, Lasers Everywhere, Lasers Everywhere Alternative, Egg-free DAG

April Challenge 2020 Division 1: 

Strange Number, Squared Subsequences, Perfect Power Divisors, Ready Bitwise, Factor Tree, Leaked Answers (Challenge)

May Challenge 2020 Division 1: 

Buying a New String, Triple Sort, Binary Land, Sorting Vases, Coronavirus Spread, Chef and Bitwise Product, (Challenge) Nanobots, Isolation Centers

January Cook-Off 2020 Division 1 : 

Profitable Paths, Range AND, Chefina and Sums

February Cook-Off 2020 Division 1: 

Maximum Subsequence Sum, XOR Game, Chef and Pepperoni Pizza Again

March Cook-Off 2020 Division 1 : 

Mysterious Sequence, Maximize Letter Beauty, Escape the Tree

April Cook-Off 2020 Division 1 : 

Simple Operations

May Cook-Off 2020 Division 1: 

Chef, Chefina and Their Friendship, Chefina on a Trip, Roads in Chefland

January Lunchtime 2020 Division 1: 

Construct Array, Under the Tunnels

February Lunchtime 2020 Division 1: 

Swapping to Palindrome

March Lunchtime 2020 Division 1 (Unrated): 

Maximize LCM, Strip in a Tree!

April Lunchtime 2020 Division 1: 

Triangle Query, Positive Mex

May Lunchtime 2020 Division 1: 

Convert the String, Tree difference

IARCS OPC Judge Problems: 

Lead Game

ICPC Asia-Kharagpur Onsite Mirror Contest 2019: 

Colliding Balls, Awkwardness Minimization, Train or Walk, Maximize Diversity of an Array, Chef and Diamonds

Aarambh 2020: 

Straight lines, Cricket Match, Xor Segment, Jolites

Fool's Programming: 

The Beginning of Everything, Et tu Brute

Overnite Coding: 

Carnival of Conundrums, Transitions, Magical Islands, Battle of Mirror-Verse

Mystery Language: 

Sunny and Bitland

Fool You 2020: 

The Impossible Problem, Sift The Numbers, Font Font Fonts

June Challenge 2020 Division 1: 

The Tom and Jerry Game!, Operations on a Tuple, The Delicious Cake, Convenient Airports, Guessing Game, Covid Sampling (Challenge)

July Challenge 2020 Division 1: 

LCM Constraints, Chefina and Swaps, Chef and Dragon Dens, Missing a Point, Doctor Chef

August Challenge 2020 Division 1: 

Smallest KMP

September Challenge 2020 Division 1: 

Chefina and Swap, Chef and Trump Cards, Find XOR, Rotate the Polyline, Ada Matrix

July Cook-Off 2020 Division 1: 

Even-tual Reduction, OR-thodox Distinction, Path-etic Products

July Lunchtime 2020 Division 1: 

Golomb Sequence, Binary Concatenation

August Cook-Off 2020 Division 1 : 

Red-blue Trees, Polygon Relationship

August Lunchtime 2020 Division 1: 

Game on a Strip, Counting Graphs, Alien Invasion

June Cook-Off 2020 Division 1: 

Per Capita Income, Checkpoints

June Lunchtime 2020 Division 1: 

Maximum AND, Gold Mining, Square Submatrices

October Challenge 2020 Division 1: 

Inversions, Positive AND, Replace for X, D-Dimensional MST, Compress all Subsegments, Adding Squares

November Challenge 2020 Division 1: 

Connect on a Grid (Challenge), Restore Sequence, Magical Candy Store, Scalar Product Tree, Unusual Queries

January Challenge 2021 Division 1: 

Chef and Ants, Guess the Tiling, Expected Number of SCCs, Blackjack

December Challenge 2020 Division 1: 

Hail XOR, Square Root of LCA Convolution, Calculus, Digit Matrix, String Operations, Positive Prefixes, Even Pair Sum

December Cook-Off 2020 Division 1 : 

Self-Destructing Strings, Sed Passwords, Circle of Chaos, Carry All Fruits

January Cook-Off 2021 Division 1 : 

Mex Subsequence, Not Too Colourful

December Lunchtime 2020 Division 1 (Unrated): 

Three Letters, One Zero Swaps

October Cook-Off 2020 Division 1: 

Path-etic Sums, The In-XOR-able Task, Yet Another Crossover Episode

November Cook-Off 2020 Division 1: 

Flip the String, Chef and IPC Certificates, Graph Construction, Set Queries, Hiring Workers

October Lunchtime 2020 Division 1: 

Chef Likes Good Sequences, Chef Is Just Throwing Random Words, Counting Spaghetti, Cute Chef Gift

November Lunchtime 2020 Division 1: 

Gasoline

Programming Contest #1 (Chapter 'Ramayan'): 

Laxman and Maths, Hanuman and Tree, Raavan and Sub-Array, Bharat and Possibilities, Lord Ram and XorOrXorOr Power, Luv Kush and FX Sequence, Sita Mata and Time Machine

September Cook-Off 2020 Division 1 : 

Maximise Subsequence Value, Minimum Insertions

September Lunchtime 2020 Division 1: 

Root the Tree, Robot Detector

February Challenge 2021 Division 1: 

Team Name, Another Tree with Number Theory, Prime Game, XOR Sums

February Lunchtime 2021 Division 1: 

Average Sorting, Independent Set

Break-The-Server (Unrated): 

PCM Dilemma, Memcached Service, Chef and Laddus For Children, Students, heights and their IQs

Code - Catalyst: 

CHEF and Family, CHEF AND SCHOOL, CHEF AND STRINGS, CHEF AND BABY, Chef and Travel , CHEF AND TOY ROOM

DeCode 2021: 

Max Window, Student Comparisons, Princess Security, Project Overflow, Limited credits, Mazes of Vindhya, Enclosed drones, Two seconds left

March Challenge 2021 Division 1: 

Consecutive Adding, Space Arrays, Maximum Topological Sort

March Lunchtime 2021 Division 1: 

Uniform, Lunchtime

April Challenge 2021 Division 1: 

Worthy Matrix, Chef and Dice, Boolean Game

April Cook-Off 2021 Division 1: 

Tree Distances, OR of ANDs

May Challenge 2021 Division 1 (Unrated): 

Xor Equality

June Challenge 2021 Division 1 (Unrated): 

Bitwise Tuples, Bella ciao, Summer Heat

June Cook-Off 2021 Division 1: 

Binary String on Steroids

SnackDown 2021 - Online Qualifiers: 

Lucky Number, Maximum Number Of Distinct Elements, Minimise Difference

SnackDown 2021 - Online Round 1A: 

Yet Another Flipping Problem, Round Robin Ranks , Dance Moves, Equal Beauty, Min Max LCM

November Challenge 2021 Division 1 (Unrated): 

Flip or Compress, Functional Array, Wildcard Replacement, Xor Equation, Weird Palindrome Making, Hill Sequence, Equal Coins, Which Fuel is Cheaper, Maximise the bridges, Convex Hulk

SnackDown 2021 - Online Pre-Elimination: 

Product Pain, Guests like slippers

SnackDown 2021 - Online Elimination Round (Rated for all): 

Graduate Work Matters, Sorting Segments

Code: Nium Challenge: 

Alphabet Difference, Divide Students Into Classes

December Lunchtime 2021 Division 1: 

Optimal Sorting, Romantic Reversals, Sleep Technique

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