Prabal Pratap Singh

February Long 2022 - I, Division 3 (Rated)

N Queens Puzzle Solved !, Chef and the Hair Salon

February Long 2022 - II, Division 3 (Rated)

World Chess Championship, Chef and NextGen

CodeChef Starters 27 Division 4 (Rated)

Get Lowest Free, Too many items, Shopping Change, Blackjack

February Cook-Off 2022 Division 4

Complete the credits, Guess the bottom face, Peaceful Party

February Lunchtime 2022 Division 4

Good Program, Battery Low, Watching Movies at 2x, Chessboard Distance

CodeChef Starters 28 Division 4 (Rated)

Chef and Instant Noodles, Self Defence Training, Car Choice, Qualify the round, Count the Holidays

March Long One 2022, Division 4 (Rated)

Akash and Function, Akash and Missing Class, Exact Marks, Discus Throw, Bath in Winters, Wordle

CodeChef Starters 29 Division 4 (Rated)

String protocol, Fill the Bucket, Tyre problem, Bomb the base

March Long Two 2022, Division 4 (Rated)

Chef and Races, Increase IQ, The Three Topics, The Rating Dilemma

CodeChef Starters 30 Division 4 (Rated)

Chef and Water Bottles, Chef and Chocolates

March Cook-Off 2022 Division 4

Janmansh and Games, Janmansh and Coins, Janmansh and Assignments, Janmansh at Fruit Market

CodeChef Starters 31 Division 4 (Rated)

Cup Finals, Group Assignment, Economics Class

March Lunchtime 2022 Division 4

Credit score, Minimum number of coins, Buy 2 Get 1 Free, CRED Coins

CodeChef Starters 32 Division 4 (Rated)

Binary String Cost, Volume Control, Finding Shoes, Course Registration

April Cook-Off 2022 Division 4

Funny Hand, Email Reminders

CodeChef Starters 33 Division 4 (Rated)

The Cheaper Cab, Monthly Budget, Minimum Cars required, Non Adjacent Flips, Make Them Equal

April Long One 2022, Division 4 (Rated)

Dazzling GCD Pair, Dazzling AXNODR Challenge , Ezio and Guards, The Cooler Dilemma 1, The Cooler Dilemma 2

CodeChef Starters 34 Division 4 (Rated)

Average Array, Is the Score Consistent, Good Quality Bulbs, Positive Products, Expiring Bread

April Lunchtime 2022 Division 4(Rated)

Lunchtime, Mario and Transformation, Mario and Bullet, Pair Pain

Starters 35 Division 4 (Rated)

Dark Light, Admins and Shopping, Water Requirement, Police and Thief, Jenga Night

Starters 36 Division 4 (Rated)

Who is taller!, Presents for Cheffina, Chef and Chapters, Chef and Bird farm

April Long Two 2022 Division 4 (Rated)

Geometric Mean Inequality, Sasta Shark Tank, Six Friends, Best Coupon, Pseudo Sorted Array

Starters 37 Division 4 (Rated)

The Mango Truck, Roller Coaster, Beat the Average, Laptop Recommendation , Infernos, Maximum OR Minimum

May Long One 2022 Division 4 (Rated)

Sugarcane Juice Business, The Attack of Queen, Football Cup, Miami GP

Starters 38 Division 4 (Rated)

Chef gives Party, Get Subscription, Dominant Army, Circular Track

May Lunchtime 2022 Division 4 (Rated)

Bucket and Water Flow , Apples and Oranges, Maximum Pairwise Modular Sum, How many unattempted problems, Problems in your to-do list

Starters 39 Division 4 (Rated)

Compress the Video, Closest Vowels, Recent contest problems, My very 1st contest!, A or B, Chess Ratings

Starters 41 Division 4 (Rated)

Equal Integers, Chef and Brain Speed, Chef and Chocolates, Is this priority or parity!, Path Parity, Determine the Winner

June Cook-Off 2022 Division 4 (Rated)

Rating Improvement, Playlist, Break the Stick, First and Last

Starters 42 Division 4 (Rated)

Minimum or Maximum, Divisible by 3, How Many Maximums, Age Limit, Equal Distribution, Minimum number of Flips

Starters 43 Division 4 (Rated)

Burgers, DNA Storage, Joining Date, Waiting Time

June Lunchtime 2022 Division 4 (Rated)

Zero Ones Equal One Zeros, It is My Serve, Too many Floors, Determine the Score

Starters 45 Division 4 (Rated)

Chef and his Apps, Best of Two, Retrieve the Array, Adjacent Sum Parity, Change Row and Column Both

July Long One 2022 Division 4 (Rated)

Bidding, Journey of the Knight, Game of Piles Version 1, Game of Piles Version 2, Slow Solution, Pass the Exam, Chef and Candies

Starters 46 Division 4 (Rated)

Sort the String, Counting Words, MATH1 Enrolment, Group Assignment

Starters 47 Division 4 (Rated)

Chef On Date, Similar Heights, Construct N, End Sorted, Minimum Coins, Chess Time

July Lunchtime 2022 Division 4 (Rated)

Interior Design, The Last Levels, Easy Pronunciation, Yet Another Palindrome Making Problem, True and False Paper

Starters 48 Division 3 (Rated)

Buy Lamps, Fill The Grid, Make Palindrome 2, Positive array

Starters 51 Division 3 (Rated)

Split N, Different Medians, TV Discount, Dominant Element

Starters 52 Division 3 (Rated)

Minimum Sum, WA Test Cases, Air Conditioner Temperature, Gritty Grid

August Lunchtime 2022 Division 3 (Rated)

Candy Distribution, Equalizing Numbers, Easy Permutation, Array Equality

Starters 53 Division 2 (Rated)

Black&White Ring Game, Make A and B equal

Starters 66 Division 2 (Rated)

Good Binary Strings, Palindrome by Splitting, Just Like Mob!

Starters 69 Division 2 (Rated)

Akash and Dinner, Rain in Chefland, Scalene Triangle, Convert to permutation, Distinct Sequence

Starters 70 Division 2 (Rated)

Kitchen Timings, Minimum distance between 1s, Prime Reversal, Frequency Array Retrieval

Starters 72 Division 2 (Rated)

N Triplets, Sum it

Starters 73 Division 2 (Rated)

Append for OR

Starters 74 Division 2 (Rated)

Lcm hates Gcd, Minimal Inversions, Odd Even Binary String

February Cook-Off 2023 Division 2 (Rated)

Take Not Less, Permutation and Modulus

Starters 77 Division 2 (Rated)

Tekken, Tom and Jerry Chase, Codechef Airlines, Concat Palindrome

Starters 90 Division 2 (Rated)

Crushed Apples and a Balance Scale, Printing Binary Array, Anti Palindrome

Starters 97 Division 2 (Rated)

Schrodinger Smiley, Triplets Min

Starters 100 Division 2 (Rated)

Stamps 100

Starters 101 Division 2 (Rated)

Minimize Xor Difference, Warrior Chef, Lockpicking Chef

Starters 102 Division 2 (Rated)

Parity Permutation, Bit Play, Array Sum

Starters 107 Division 2 (Rated)

Rock Paper Scissor, OR Permutation

Starters 109 Division 2 (Rated)

Minimum XOR, Best of N Sets, Alter Ego

August Long 2023 Division 2 (Unrated)

All New CodeChef, Maximum Deliciousness, I Can Use Both Hands!

September Short 2023 Division 2 (Unrated)

GCD Discount, Lucky Seven, Slow Start, Mixing Extraordinaire

SQL Contest (Unrated)

First Problem on SQL, Number of Distinct Institutes, Div 2 Ranklist, Total Time

Starters 111 Division 2 (Rated)

Prefixing, Beautiful Strings, Reach Codetown

Starters 112 Division 2 (Rated)

Cursed Indices, 3 Logicians Walk into a Bar, Max Nutrition

Starters 113 Division 2 (Rated)

Minimise Maximum Subarray Sum, Maximum Score , Sum Neq

Starters 114 Division 2 (Rated)

Rock-Paper-Scissors, Christmas Candy

Starters 115 Division 2 (Rated)

Greedy LIS Algorithm, A PLUS B Remastered, Decorating Christmas Tree

Starters 116 Division 2 (Rated)

Chef Product, ORST , Access Control

Starters 117 Division 2 (Rated)

Not Prime Permutation, Spell Shortening

Starters 118 Division 2 (Rated)

Subset GCD, Join States, Xorry 2, Xorry 1

Starters 119 Division 2 (Rated)

Cookie Day, Another Good String , K Odd Sum

Starters 120 Division 2 (Rated)

Find Permutation , Count Subarrays, Count Arrays, Sub or Swp

Starters 121 Division 2 (Rated)

Frequal, Split And Maximize, Caesar Cipher Lite, Anti Adjacent Swaps

Starters 122 Division 2 (Rated)

Arya In Grid, Transformation Cost, Man of the Match

Starters 123 Division 2 (Rated)

Maximise Adjacent Sum, Check Adjacent Sum, Minimum And Maximum I, Minimum And Maximum II

Starters 124 Division 2 (Rated)

Binary Parity, Table Strength, Swap and Unite, Make It One, Summer Time, Cricket Tournament

Starters 125 Division 2 (Rated)

Fake Certificate, Binary Minimal

Starters 126 Division 2 (Rated)

Freedom, Permutation Disturbance

Starters 129 Division 2 (Rated)

Ballon d Or

Starters 130 Division 2 (Rated)

Make Equal, Alternating Binary String

Starters 131 Division 2 (Rated)

K-Closeness, Dice Deception, Encrypt Value

Starters 134 Division 2 (Rated)

Origin, Morning Run, Money Double, Rock Paper Scissors, 3out1in

Starters 135 Division 2 (Rated)

Invert And Equalize, Change A to B

Starters 136 Division 2 ( Rated )

Sum of Modes, My First Geometry Problem

Starters 137 Division 2 (Rated)

Double Trouble, Large Differences

Starters 138 Division 2 (Rated)

A power B mod C , TRIPLE PRIMES, Prefix Suffix Inequality, Long Drive, Distinct Substring

Starters 139 Division 2 (Rated)

Sum of N, Maximum Distance Permutations

Starters 140 Division 2 (Rated)

Make Permutation, Split Permutation, Trick Or Treat

Starters 142 Division 2 (Rated)

Chef loves Pizza Chef loves halfs, Array Removal, Number Hunt

Starters 143 Division 2 (Rated)

Non-Divisor Array, Binary Conversion

Starters 144 Division 2 (Rated)

Budget Allotment, Largest K

Starters 146 Division 2 (Rated till 5 stars)

Back Front, Bouncing Ball, Permutation Construction, Knockout tournament, No Winner, Olympics 2024

Starters 147 Division 2 (Rated till 5 stars)

Truth Teller And Liars 101, Independence Day 101, Non-Primes 101, Gold Coins 101

Starters 148 Division 2 (Rated)

FightBots

Starters 149 (Rated)

Easy Subarray Sum, Maximise Sum, Chef Loves Beautiful Strings (Easy Version)

Starters 150 (Rated)

Equal Pairs (Hard), Find Multiset State, Equal Pairs (Easy)

Starters 151 (rated)

Ball Game, Convert string

Starters 152 (Rated)

Maximize Hamming Distance, Anti-Palindrome Queries, Range Minimize

Starters 153 (Rated)

Butterfly, Another Game, Colorful Tree (Easy Version)

Starters 154 (Rated)

GCD and XOR, Triangle Count (Easy), Add 1 or 2 Game

Starters 156 (Rated)

Partition Score, Even Numbers Hate

Starters 158 (Rated)

Largest Subsequence, XOR Smaller, Buying Game, Multiply 2 to Minimize

Starters 159 (Rated)

Crafty Coloring (Easy), Super Hero, Random Nim, Chess Colouring, Elections

Starters 160 (Rated)

Palindrome Love, Buying Order (Easy), Equate S and T

Starters 165 (Rated)

Reverse and Alternate, A to B, Stable Array, Bulk Discount

Starters 171 (Rated)

Swish Game, White Wall, Volcanic Eruption

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