Nishant Shah

February Challenge 2019 Division 2

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

May Challenge 2019 Division 2

Matches, Reduce to One, Where to Build the Roads

June Challenge 2019 Division 2

Road Signs, Chef and Proxy, Lent Money, Guddu on a Date, Chef and Ingredients, Sum and GCD

July Challenge 2019 Division 1

Guess the Prime!, Circular Merging

August Challenge 2019 Division 1

Guddu and his Mother, Encoding, Dilemma, Maximize an Expression, Chef and Gordon Ramsay

September Challenge 2019 Division 1

Chef and Good Subsequences, Easy Fibonacci, Biladerim Icin, Fuzzy Linear Combinations, Expected GCD, Doofish Set, Chef Designed a Network, Chef and Interesting Subsequences

September Mega Cook-Off 2019 Division 1

Angry Grandfather, Fitness Exercises

September Lunchtime 2019 Division 1

All Substrings, Find the Sum

October Challenge 2019 Division 1

Even Edges, Missing Number, Bacterial Reproduction, Chef and Maximum Star Value, Fun with Lists, Array Modification, (Challenge) Maximizing LIS, Operations on a Matrix, Phone Prices

October Mega Cook-Off 2019 Division 1

Hidden Sequence, D-Or

October Lunchtime 2019 Division 1 (Unrated)

Box Game

November Challenge 2019 Division 1

Physical Exercise, Hard Sequence, Smallest Beautiful Number, From Zero to Infinity, A Simple Game, Single Point of Failure, Weapon Value, Chef and Minimum Colouring

November Lunchtime 2019 Division 1

Planting Trees, Washing Windows

December Challenge 2019 Division 1

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

January Challenge 2020 Division 1

Chef and Dynamo, Doraemon, Doofish Matrix, Equality, Chefina and Prefix Suffix Sums, English, OWCA Files, Breaking Bricks, Chefland Army, (Challenge) Building Anthills

February Challenge 2020 Division 1

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

March Challenge 2020 Division 1

Chef and DAG, XOR Engine, Break, Ada Bishop 2, Winning Ways 2, Lasers Everywhere, Inverse of a Function, Lasers Everywhere Alternative, Pintu and Fruits

April Challenge 2020 Division 1

Strange Number, Squared Subsequences, Perfect Power Divisors, Ready Bitwise, Factor Tree, Unit GCD, Sell All the Cars, Leaked Answers (Challenge), COVID Pandemic and Long Queue

May Challenge 2020 Division 1

Triple Sort, Sorting Vases, Coronavirus Spread, Chef and Bitwise Product, Isolation Centers

February Cook-Off 2020 Division 1

Must Be Divisible, Maximum Subsequence Sum, XOR Game, Chef and Pepperoni Pizza Again

March Cook-Off 2020 Division 1

Mysterious Sequence, Maximize Letter Beauty, Random Chocolates, Escape the Tree

May Cook-Off 2020 Division 1

Chef, Chefina and Their Friendship, Roads in Chefland

March Lunchtime 2020 Division 1 (Unrated)

Maximize LCM

April Lunchtime 2020 Division 1

Xor Jar Muluk Tar, Triangle Query, Positive Mex

May Lunchtime 2020 Division 1

Absolute Min Max, Convert the String, Tree difference

ENIGMA - PLINTH'20 LNMIIT (Rated for all)

Banana String, Corruption in Freedonia, Gru is Handing Out Bananas, Minion AND Range, Recruit Villagers

International Coding Marathon (Rated for all)

Lavanya Loves DFA, Are These Equal, Is This a Long Challenge, Conservative Graph, Mr Pr in a Dilemma , Is This JEE

June Challenge 2020 Division 1

Even Matrix, The Tom and Jerry Game!, Operations on a Tuple, The Delicious Cake, Convenient Airports, Guessing Game, Chef and Icecream, Covid Sampling (Challenge), Chef and String, Danya and Different Values, Chef and Price Control

July Challenge 2020 Division 1

Ada King, LCM Constraints, Chefina and Swaps, Chef and Dragon Dens, Missing a Point, Doctor Chef, Weird Product, Chef and Card Game, Chef and Strings

September Challenge 2020 Division 1

Chefina and Swap, Move the Coins 2, A Problem on Sticks, Chef and Trump Cards, Find XOR, Rotate the Polyline, Chef and Sums, Move the Coins - Creating Tests, Divide Candies, Vibrating Paths (Challenge), Ada Matrix, Coronavirus Spread 2

July Cook-Off 2020 Division 1

What Is This, a Crossover Episode, Even-tual Reduction, OR-thodox Distinction, Path-etic Products

July Lunchtime 2020 Division 1

Profitable Paths 2, Golomb Sequence, Binary Concatenation

August Lunchtime 2020 Division 1

Game on a Strip, Counting Graphs, Alien Invasion

June Cook-Off 2020 Division 1

Per Capita Income, Checkpoints, Banned Quotient

December Challenge 2020 Division 1

Hail XOR, Square Root of LCA Convolution, Calculus, Linear Combination, Permutations, Digit Matrix, String Operations, Positive Prefixes, Even Pair Sum, Vaccine Production, Vaccine Distribution

September Cook-Off 2020 Division 1

Joined Subarrays on Tree, Maximise Subsequence Value, Minimum Insertions

February Challenge 2021 Division 1

Frog Sort, Team Name, Another Tree with Number Theory, Chef and Meetings, Prime Game, Multiple Games, XOR Sums, Maximise Function, Cut the Cake (Challenge), Bash Matrix, Cell Shell, Highest Divisor

March Cook-Off 2021 Division 1

Consecutive Deletions

International Coding Marathon 2021 Division 1 (Unrated)

Suffix Sort, Infinite polygons, Stack Of Rectangles, Team Divisions, Special String, Lucky Boundaries

May Lunchtime 2021 Division 1

Total Components, K-Subarrays

May CodeChef Starters 2021 Division 1 (Unrated)

Cheating Time, Minimum Popping, Subtree Center, Plagiarism, Lazy Chef, Correct Sentence

May Challenge 2021 Division 1 (Unrated)

Valid Paths, Tree House, An Interesting Sequence, King Killing, Xor Equality, Tic Tac Toe, Modular Equation, Golf, Solubility

June Challenge 2021 Division 1 (Unrated)

Minimum Dual Area, Shortest Route, Bitwise Tuples, Bella ciao, Dual Distance, Maximum Frequent Subarray Sum, Summer Heat, MathBuzz, Optimal Xor Set, Minimum Subtree Cover

July Challenge 2021 Division 1 (Unrated)

XxOoRr, Chef vs Bharat, Optimal Denomination, Maximum Production, Relativity, K Path Query

July Cook-Off 2021 Division 1

Beautiful Subsequence, Mod Equality, Hidden Colored Graph

July Lunchtime 2021 Division 1

Xor Separation, Longest Good Segment

August Challenge 2021 Division 1 (Unrated)

Special Triplets, Array Filling, Geometry 1, Chef and Bulb Invention, Alternating LG Queries, Charge Scheduling, Chef and Digits of Large Numbers, Fat Hut, Problem Difficulties, Olympics Ranking

CodeChef Starters 9 Division 1 (Unrated)

Friend Groups In A Line, Black cells in a chessboard, Large Square, Bus full of passengers, Fibonacci concatenation, India Fights Corona

CodeChef Starters 24 Division 1 (Unrated)

Anti Palindrome, Palindrome Love, Special String, Divisors and Reciprocals

February Long 2022 - I, Division 1 (Unrated)

Random OR, Digit Multiplication By K, Binary Base Basics, Bitwise Blend, Remove Adjacent

CodeChef Starters 25 Division 1 (Unrated)

Building Towers, Equal MEX, Count Arrays, K Distinct Array

Starters 57 Division 1 (Unrated)

Tree and Divisors, Delicious Queries, Maximum Expression, Even Splits, Two Different Palindromes

Starters 60 Division 1 (Unrated)

Distinct Numbers, Red Green Grids, Yet Another Palindrome Problem, Tri XOR

Starters 61 Division 1 (Unrated)

Palindrome Partition, Weird Subarrays, Red Blue Flowers, Subarray Removal

Starters 151 (rated till 5 stars)

Ball Game, Sequence Search

Starters 158 (Rated till 6 stars)

Make a Tree, Global Warming, Buying Game, Multiply 2 to Minimize

Problems Authored (3)

Problems Tested (0)

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Editorials Contributed (1)