Parth Kohli

Practice: 

ATM, Sum of numbers, Friends, Nikitosh and xor, Sereja and Array and Subtracting, Help Lost Robot!, Watson and Digit Sums, Robolympic Batons, Maximum Xor Query, Extreme Encoding, Mr Wireless, Quentin Tarantino, Modulo Equality, Method Resolution Order, Good and Bad Persons, Minimize the string, Harry Potter and the Goblet of Fire, Game of numbers, AND on Graph, A - Even Odd subsequences, Life Limited, Martingale, Winner Winner Chicken Dinner!, Robbery, Longest Xommon Subsequence, Random Game, Zawad and Index Sum, Grid Tour, LIVE AND ENJOY, HELP HELP, Sadness value, IPL Begins, Inverse Knapsack, Rooted Tree Graph, Counting Mobiles, Average Sorting, Sorted Substrings, Split or Decrease, Smallest Excluded LCM, Racing Dead

June Cook-Off 2018 Division 2: 

Archi and Comparsion, Good Permutations

April Challenge 2018 Division 2: 

Average of Pairs, Workers

May Challenge 2018 Division 2: 

Mighty Friend, Xor Again, Dibs on Fibs

July Challenge 2018 Division 1: 

Reach Equilibrium, No Minimum No Maximum, Gears

August Challenge 2018 Division 1: 

Modular GCD

October Challenge 2018 Division 1: 

Appy and Balloons , Beautiful Bricks, Minimize Digitsum, Chef and Surprise Chessboard

Quick Code (Rated for Division 2): 

Immortal Frieza, Majin Vegeta, Dr Geros lab

LoC July 2018: 

Optimal Point, Chef and Mortal Kombat, Tom And Jerry, Chef And College

January Challenge 2019 Division 1: 

Yet Another Problem About Sequences, Different Neighbours, Distinct Pairs

February Challenge 2019 Division 1: 

Manhattan Rectangle, Guess It Right, Chef and Secret Ingredients, Xor Decomposition, Yet Another Tree Problem, Art of Balance

February Cook-Off 2019 Division 1: 

Max Range Queries, Chef and Party

Winter Code Sprint: 

Good Indices, Find X, Prime Addition, Prime Factors and Ranges, An Odd Question, Seating Arrangement

March Challenge 2019 Division 1: 

Chef and Soccer, Cheating on Queue, Yet Again a Subarray Problem

April Challenge 2019 Division 1: 

Offer for Chef, Kira Loves Palindromes, Mininum XOR over Tree, Playing with Numbers, Maximum Remaining, Subtree Removal

May Cook-Off 2019 Division 1: 

Misha and Nice Sets, Bitsetbaba and Power Grid, Expected Xor, Searching for a Biclique

July Challenge 2019 Division 1: 

Hit the Coconuts, Snake and Apple Tree, Guess the Prime!, Codechef War, Circular Merging

CodeX_X: 

Venkat And His Commute

ProCon Junior: 

Walter White and His Crystals, Walter and His Customers, Holly Birthday Cake, Jesse Crystal Equation, You, Mehul, His Friends and His Enemy

Biteration #2 (Rated for Division 2): 

A - Books, C - Chef and Maths

ICPC Asia-Kanpur Onsite Replay Contest 2019: 

Convolution, Is This a Give Away, B - Prime-partite Graph, K-Prob, Walk 4 steps

Shaastra Programming Contest (Open Round): 

So Many Books, So Little Time, For the Benefit of All (yet another version), When History Offers a Hand, Reap What You Sow, Of What Holds the Universe, The Tree of Life and Beyond, Foundation of Certainty

DUCS Winter Warm-Up: 

Jatin and Mirror Numbers, Krishna and Coffee Shop, Anjali and Tasty Treat, Ruman and Pull Requests, Divesh Quenches Thirst, Tanya and Rookie Cats (Easy Version), Tanya and Rookie Cats (Hard Version), Swati and Sstrings, Abhinav and Electric Circuit, Selection Battle, Fall in Love

Encoding January'20: 

Chefu and Tiles, Triangle Love

Code Benders: 

String and Number, Permutation War, Two Arrays

October Cook-Off 2020 Division 1: 

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

DSA Learning Series - Contest 11: 

Kamehameha

Encoding August'20: 

Notebook Distribution, Naruto and One Shot, Shikamaru has Queries, Chef And His House , Indiana Jones and the cryptic code, Angry Delta, Delta and Jumps, Chef Loves Cakes, Chef Learns BST

May Challenge 2021 Division 1 (Unrated): 

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

July Challenge 2021 Division 1 (Unrated): 

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

August Challenge 2021 Division 1 (Unrated): 

Special Triplets, Array Filling, Chef and Bulb Invention, Problem Difficulties, Olympics Ranking

September Challenge 2021 Division 1 (Unrated): 

XOR Equal, Shuffling Parities, Minimize Digit Sum, Treasure Hunt, 2-D Point Meeting, Airline Restrictions, Travel Pass, Covaxin vs Covishield, Minimum Digit Sum 2

SnackDown 2021 - Online Qualifiers: 

Prefix as a Substring 2, Lucky Number, Maximum Number Of Distinct Elements, Minimise Difference

October Challenge 2021 Division 1 (Unrated): 

Longest AND Subarray, MEX-OR

CodeChef Starters 16 Division 1 (Unrated): 

Professor And Directions, K - Magical String, Chef and Magical Steps, Subarray Sum

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, Maximise the bridges, Convex Hulk

SnackDown 2021 - Online Pre-Elimination: 

Non-Decreasing Subsequence of size K, Product Pain, Guests like slippers

CodeChef Starters 17 Division 1 (Unrated): 

Binary Inversion, GCD of Prefixes, Yet Another Counting Problem, String Game, Partition It, Find the Special Node

CodeChef Starters 18 Division 1 (Unrated): 

Weird GCD Value, Palindromic Binary Numbers, Expectations on a Permutation, Compare those strings

CodeChef Starters 19 Division 1 (Unrated): 

Binary String Randomizer, P Equal To NP, The Alternating Sum, Distinct Elements, Three Bikes

CodeChef Starters 20 Division 1 (Unrated): 

Finding Pairs, Stable Sequence, Weird Values, Brutal-Xors

C.O.D.E.R.S Division 1 (Unrated): 

The One Where No One is Ready, The One with All the Candy, The One Where Joey Dates Rachel, The One with Ross Wedding

November Lunchtime 2021 Division 1: 

Permutation Pairs, Subarray Jumps

December Challenge 2021 Division 1 (Unrated): 

Increasing String , Yet Another Tree Problem, Valleys and Hills, Rock Paper Scissors, Pyramid Traversal, Min Manhattan Distance, Squares Counting

CodeChef Starters 21 Division 1 (Unrated): 

ChefWM, And Or Union, Mean equals Median, The Melancholy of Problem Setter

Code Drive Division 1 (Unrated): 

Count of Array, Break And Fix The Tree, Sum this up, Again XOR problem, Maximum Factors Problem, Count Number of Peaks

January Long 2022 - I, Division 1 (Unrated): 

Keplers Law, Sequence Master, Generating Cycles, Prime in a binary string, Retrieve back the Array, Covid Spread, Chef and Riffles

January Long 2022 - II, Division 1 (Unrated): 

Array Partition, Power Sum, Tree Master, Sum and OR, Crying Colours

Exun 2021-22 Division 1 (Unrated): 

Sarthak and his Magic Grid, Vedant and his Hidden Array, Sarthak and his Set of Primes

CodeChef Starters 23 Division 1 (Unrated): 

Subarray Mex, Maximise the Minimum, Maximising Vacations, Non Zero Subarray Xor

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, Hidden Permutation, Count Arrays, K Distinct Array

February Long 2022 - II, Division 1 (Unrated): 

Sequence GCD, Bitwise swaps, Xor Palindrome

CodeChef Starters 26 Division 1 (Unrated): 

Array Division

CodeChef Starters 27 Division 1 (Unrated): 

String Reverse, Or Sum, Distinct Binary Strings, And Equals Or, Non Coprime Neighbours

March Long Two 2022, Division 1 (Unrated): 

Kostomuksha and AESC MSU, Perfect Imperfections 2

April Long One 2022 Division 1 (Unrated): 

Yet Another Mex Problem, Dazzling AXNODR Challenge , Bullets and Enemies, Min Max Equality, Pairwise Xors

CodeChef Starters 34 Division 1: 

Binary Mismatch, Count The Arrays, Lulymp

Code Uncode 5.0: 

Yet Another GCD Problem

Starters 39 Division 1 (Unrated): 

Crazy Substrings, Minimize Blocked Roads, Yet Another Palindromic Problem, Even Subarray XOR

May Long Two 2022 Division 1 (Unrated): 

Subsequence-Numbers Divisible by 7, Not Tree Again!, Subarrays with length

Starters 40 Division 1 (Unrated): 

The Three Bogatyrs, Max Value of MST, 7th Love, Or Permutation, Good Pairs

Starters 42 Division 1 (Unrated): 

Minimum or Maximum

July Long One 2022 Division 1 (Unrated): 

Expected Difference, Game of Piles Version 1, Find A, B, C

Starters 46 Division 1 (Unrated): 

Prime Xor, Vowel Anxiety, Maximum Diversity, Equal Subsequences, Array sorting, Sort the String

August Long 2022 Division 1 (Unrated): 

Angled Flip, Tree of Trees, XOR with smallest element, Hello Equation

Starters 52 Division 1 (Unrated): 

Minimum Sum, K-Flip, Gritty Grid, Flipping Failure, Nil Xor

Starters 54 Division 1 (Unrated): 

Equal Distinct

September Long 2022 Division 1 (Unrated): 

Speed Limit Test, Bob at the Bank, Chef and Wire Frames, Yet Another Chef And Numbers, Distinct Numbers, Pokemon Battles, Alone Alice!, Interesting Subarray, Good Pairs

Starters 68 Division 1 (Rated till 5-stars): 

Make Money

Starters 71 Division 1 (Unrated): 

Flip the Prefix, Unique Mode, Expected Sum, Maximizing LCS, Smallest Difference

December Long 2022 Division 1 (Unrated): 

Counting Subsequences, Not Divisible, Break into Powers, Sum of Cube , Divisible by A_i

Starters 72 Division 1 (Rated till 5-Stars): 

N Triplets, Good Sequence, No sequence, XOR Tree

Starters 73 Division 1 (Rated till 6-Stars): 

Minimum OR Path, Find an integer, Consecutive Xor, First To Last

January Long 2023 Division 1 (Unrated): 

A Short Counting Problem, Swap Shift, Maximum of GCDs, Symmetric Swaps, Minimize the Maximum

Dementia: 

Life Story of a Medak, Priyanshu and Family tree, Ritam and Friends, Math Festival , Flipping Binary Strings, Island Adventure

Starters 106 Division 1 (Rated till 5 Stars): 

Playing with OR, Save People, Guess the winner!, Count Possibilities, Reach Anywhere, Is it Obvious

September Short 2023 Division 1 (Unrated): 

GCD Discount, Ultimate Fencing, Lucky Seven, Slow Start, Mixing Extraordinaire

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