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Programming and DSA

Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.

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Programming and DSA

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Programming and DSA

Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.

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Practice Compete Compiler
Home » Prajwal Shah
user profile

Prajwal Shah

Rookie League Rookie League
  • 5★pajju_0330
  •   India
  • Student
  • Walchand College of Engineering, Sangli
  • No Active Plan. View Details

Submissions Heat Map

Rating Graph

No. of Contests Participated: 125
2152 (-28)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 181 (Rated for all)(2025-04-09 22:30:00)
Global Rank:   171
Cheated in:   

Ratings System Update

(2025-04-09 22:30:00)
This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more
How the rating system works?
1513 (+0)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 69 Division 3 (Rated)(2022-12-20 00:00:00)
Global Rank:   969
Cheated in:   

Ratings System Update

(2022-12-20 00:00:00)
This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more
How the rating system works?

Learning Paths (0)

Practice Paths (2)

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2000 to 2500 difficulty problems

13%
learn-icon

Practice for ZCO and INOI

1%

Contests (125)

CodeChef Starters 23 Division 3 (Rated)

Average of Three, Chef and Profits

January Lunchtime 2022 Division 3

Chef and Lockout Draws

CodeChef Starters 24 Division 3 (Rated)

Avoid Contact, Badminton Serves, EVM Hacking

February Long 2022 - I, Division 3 (Rated)

N Queens Puzzle Solved !, Chef and the Hair Salon

CodeChef Starters 25 Division 3 (Rated)

Fit in Data Type, Chef and His Fruit Stand

February Long 2022 - II, Division 3 (Rated)

Avoid Fixed Points, World Chess Championship, Chef and NextGen

CodeChef Starters 26 Division 4 (Rated)

Car or Bike, Valentine is Coming, Count the Notebooks

CodeChef Starters 27 Division 4 (Rated)

Get Lowest Free, Too many items, Shopping Change, Blackjack, The product mystery

February Cook-Off 2022 Division 4

Complete the credits, Guess the bottom face, Lazy Salesman, 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, Substring of a Substring, 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, Missing Numbers, The Rating Dilemma, Same Parity Swaps in Binary Strings

March Cook-Off 2022 Division 4

Janmansh and Games, Janmansh and Coins, Janmansh and Assignments, Janmansh at Fruit Market, Equal Mex Splitting, Alternating Divisibility

CodeChef Starters 31 Division 4 (Rated)

Alternating String, Sign Moves, Cup Finals, The Unchanging OR, Group Assignment, Economics Class

March Lunchtime 2022 Division 4

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

CodeChef Starters 32 Division 3 (Rated)

Maximize the Minimum, Binary String Cost, Finding Shoes

CodeChef Starters 33 Division 3 (Rated)

Distinct Dilemma, Minimum Cars required, Non Adjacent Flips, Make Them Equal

April Long One 2022, Division 3 (Rated)

Dazzling GCD Pair, Prime Sum, Dazzling AXNODR Challenge , The Cooler Dilemma 2, Pairwise Xors

CodeChef Starters 34 Division 3 (Rated)

Is the Score Consistent, Good Quality Bulbs, Positive Products

Starters 35 Division 3 (Rated)

Dark Light, Police and Thief

Starters 36 Division 3 (Rated)

Presents for Cheffina, Chef and Bird farm

April Long Two 2022 Division 3 (Rated)

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

May Cook-Off 2022 Division 3 (Rated)

Farmers League, Game of Pooks, Doubled Distances

Starters 37 Division 2 (Rated)

Beat the Average, Infernos, Maximum OR Minimum

May Long One 2022 Division 3 (Rated)

Pushpa , Sugarcane Juice Business, The Attack of Queen

May Lunchtime 2022 Division 3 (Rated)

Bucket and Water Flow , Maximum Pairwise Modular Sum, Problems in your to-do list

Starters 39 Division 3 (Rated)

Compress the Video, Closest Vowels, Recent contest problems, A or B

May Long Two 2022 Division 3 (Rated)

Xor Palindrome, Score High, Make them Zero, Degree of Polynomial

July Cook-Off 2022 Division 3 (Rated)

Permutation And Median, Xor Permutation, High Accuracy

June Long Two 2022 Division 3 (Rated)

Count the ACs, Make all equal using Pairs, AP Grid, Complementary Strand in a DNA, Reversal Sorting

Starters 45 Division 3 (Rated)

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

July Long One 2022 Division 3 (Rated)

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

Starters 48 Division 3 (Rated)

Buy Lamps, Fill The Grid

Starters 50 Division 3 (Rated)

Permutation GCD, Sum Product Segments, Nearest Court, Average Permutation

Starters 51 Division 3 (Rated)

Split N, Copy and Paste, Different Medians, TV Discount, Dominant Element

August Long 2022 Division 2 (Unrated)

Angled Flip, XOR with smallest element, Hello Equation, Two Trains

Starters 52 Division 2 (Unrated)

Minimum Sum, WA Test Cases, Gritty Grid, Nil Xor

August Lunchtime 2022 Division 2 (Rated)

Easy Permutation, Array Equality, Tree Coloring

Starters 53 Division 2 (Rated)

Black&White Ring Game, Make A and B equal, Queen Blocks

Starters 54 Division 2 (Unrated)

Equal Distinct, Number of Credits, Ticket Fine

Starters 55 Division 2 (Rated)

Non Zero Xor, Balls and Boxes, Mean and Median, OR Tuples

September Long 2022 Division 2 (Unrated)

Interesting Subarray, Good Pairs

Starters 56 Division 2 (Rated)

K-Subarrays, Maximize Colours

September Lunchtime 2022 Division 2 (Rated) (Based on EJOI)

Stick Break, Permutation Creation

Starters 58 Division 2 (Unrated)

Break the elements, Add to Subsequence

Starters 59 Division 2 (Rated)

Maximum Subarray , Suspense String, Confusing Concatenations

October Long 2022 Division 2 (Unrated)

Single Operation Part 1, Single Operation Part 2

Starters 61 Division 2 (Rated)

Minimise LCS, Red Blue Flowers, Subarray Removal

Starters 64 Division 2 (Rated)

Luigi and Uniformity, Range Assign, Number of Distinct Elements Minimize

Starters 65 Division 2 (Rated)

Nahaane Jaa, Candies, Binod

Starters 66 Division 2 (Rated)

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

Starters 67 Division 2 (Rated)

Expensive Steps , Counting Problem, Existence Of X

Starters 68 Division 3 (Rated)

Boring String, XOR Product, Expense List, Interesting Array, Make AP, Make Money

Starters 69 Division 3 (Rated)

Akash and Dinner, Convert to permutation, Distinct Sequence

Starters 71 Division 3 (Rated)

Pet Store, Flip the Prefix, Snapchat, Perfect Trio, Maximizing LCS

December Long 2022 Division 3 (Rated)

Divisible by A_i, Gcd of Subarrays, Divisible by K, Reach fast, Maximise XOR

Starters 72 Division 3 (Rated)

Indivisible, Apples and oranges, N Triplets, No sequence

Starters 74 Division 2 (Rated)

Lcm hates Gcd, Odd Even Binary String

February Cook-Off 2023 Division 2 (Rated)

Take Not Less, Alice Potter And Dumbledore Army, Permutation and Modulus

Starters 78 Division 2 (Rated)

Bitwise Equation, Valid Expression

Starters 81 Division 2 (Unrated)

Divide Pages

Starters 85 Division 2 (Rated)

Crazy Bishops on Chessboard, Efficient PAN Linking, Inside The Stadium

Starters 83 Division 2 (Rated)

Construct String

Starters 89 Division 2 (Rated)

Plus 2 or Minus 1, Positive or Negative Subarrays

Starters 90 Division 2 (Rated)

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

Starters 93 Division 2 (Rated)

Break Free, Problem

Starters 94 Division 2 (Rated)

CodeChef Streak

Starters 97 Division 2 (Rated)

Schrodinger Smiley

Starters 100 Division 3 (Rated)

Stamps 100, Trade Surplus, Chocolate Distribution

Starters 102 Division 2 (Rated)

Bit Play

Starters 103 Division 2 (Rated)

Divisible By 8, Dice Number

Starters 106 Division 2 (Rated)

Playing with OR, Save People, Guess the winner!

Starters 107 Division 2 (Rated)

Rock Paper Scissor, OR Permutation

Starters 109 Division 3 (Rated)

Minimum XOR, Best of N Sets, Worth of a Video, Alter Ego, Chroma Swap

August Long 2023 Division 3 (Unrated)

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

SQL Contest (Unrated)

First Problem on SQL, Number of Distinct Institutes, Div 2 Ranklist, Total Time, Maximum Sum Subarray - SQL

Starters 111 Division 2 (Rated)

LCM Mania, Prefixing, Beautiful Strings, Reach Codetown

Starters 112 Division 2 (Rated)

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

Starters 114 Division 2 (Rated)

Chef and Tag, Rock-Paper-Scissors, Christmas Candy

Starters 115 Division 2 (Rated)

Greedy LIS Algorithm, Binary Grid Forces, Make All Zero, A PLUS B Remastered, Decorating Christmas Tree

Starters 116 Division 2 (Rated)

Chef Product, ORST , Access Control

Starters 117 Division 2 (Rated)

Equality Etiquette, Not Prime Permutation, Spell Shortening

Starters 118 Division 2 (Rated)

Subset GCD, Join States, Is it uniquely decodable, Xorry 2, Xorry 1

Starters 119 Division 2 (Rated)

Cookie Day, Another Good String , K Odd Sum

Starters 120 Division 2 (Rated)

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

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, Yet Another Alice Bob Game, Trial of the Conqueror, Minimum And Maximum II

Starters 124 Division 1 (Rated till 5-Stars)

Swap and Unite, Make It One

Starters 125 Division 2 (Rated)

Bucket Game, Operating on A, Fake Certificate, Binary Minimal

Starters 126 Division 1 (Rated till 6 Stars)

Freedom, Triangular Swaps

Starters127 Division 1

ABC Conjecture, Anti-Triangle

Starters 128 Division 1 (Rated till 6-Stars)

Binary Substring, XOR And Multiply

Starters 129 Division 2 (Rated)

Palindromic Substrings, Ballon d Or

Starters 130 Division 2 (Rated)

Updating A, Make Equal, Alternating Binary String, Good Binary String

Starters 131 Division 1 (Rated till 5 Stars)

K-Closeness, Encrypt Value, T-Perm

Starters 133 Division 2 (Rated)

ABC Conjecture 3, Powered Parameters, Maximum Alternating Sum

Starters 134 Division 2 (Rated)

Origin, Rock Paper Scissors

Starters 135 Division 2 (Rated)

Graph Cost, Invert And Equalize, Change A to B

Starters 138 Division 1 (Rated till 6-Stars)

Distinct Substring

Starters 139 Division 2 (Rated)

Sum of N, Maximum Distance Permutations, Destroying Bridges Part 2

Starters 140 Division 2 (Rated)

Make Permutation, Split Permutation, Trick Or Treat, Break The String, Tree Removal

Starters 142 Division 2 (Rated)

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

Starters 143 Division 2 (Rated)

Non-Divisor Array, Spread of Ratism, Binary Conversion

Starters 144 Division 1 (Rated)

Largest K

Starters 145 Division 2 (Rated)

Make Bob Win , Make My Array Equal, Square String

Starters 147 Division 2 (Rated till 5 stars)

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

Starters 148 Division 1 (Rated till 6 stars)

Double Trouble, Beautiful Flip, The Undisappearance

Starters 150 (Rated till 6 stars)

Equal Pairs (Hard), Replacing Game

Starters 151 (rated till 5 stars)

Sequence Search

Starters 152 (Rated till 6 stars)

Maximize Hamming Distance, Completion (Easy), Anti-Palindrome Queries

Starters 153 (Rated till 5 stars)

Another Game, Colorful Tree (Easy Version), Xometry (Easy Version)

Starters 154 (Rated till 6 stars)

Count Winning Subarrays, GCD and XOR, Triangle Count (Easy)

Starters 155 (Rated till 5 stars)

GCD to 1 (Hard), Prefix Suffix Min Max

Starters 156 (Rated till 6 stars)

Balance Difficulties, Interval Cliques, Partition Score

Starters 157 (Rated till 5 stars)

Small, Smaller, Smallest, Normal is Good, Unmedian

Starters 158 (Rated till 6 stars)

Make a Tree, Buying Game, Multiply 2 to Minimize

Starters 159 (Rated till 5 stars)

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

Starters 160 (Rated till 5 stars)

Palindrome Love, Buying Order (Easy)

Starters 161 (Rated)

Red-Blue Sort, One To Three

Starters 162 (Rated till 5 stars)

Empty the String, Permutation Mod K

Starters 163 (Rated till 5 stars)

Tree Sum is Fun !, Nice Array, Permutation Pair, Chef and Socks, Binary Sum, Sort Them, Lexio Swap

Starters 164 (Rated till 5 stars)

Construct Permutation

Starters 167 (Rated till 5 stars)

Temperature Balance, Lottery Tickets, Grid Construction (Even), Grid Construction (Odd)

Starters 168 (Rated till 6 stars)

No Two Alike, Binary Removals

Starters 169 (Rated till 5 stars)

Constant Subsequence, Hamming equivalent

Starters 170 (Rated till 6 star)

Crazy Jumping Frogs, qUiRkY qUesTs (Easy)

Starters 173 (Rated upto < 2700)

Cool Subsequences, Introverts, Time Penalty, Overwrite

Starters 177 (Rated till 5 star)

Blocks on a Tree, Flip or Reverse, Counting 01 and 10

Starters 178 (Rated till 6 star)

Smoothly Increasing , Big Difference, Minimum Colours (Easy), Minimum Colours (Hard)

Starters 180 (Rated till 6 star)

Shall we play a game, Huh, Easy, Counting Problem

Starters 181 (Rated for all)

The Best Matrix, Flip Prefix

Total Problems Solved: 708

2152
(Div 1)
★★★★★
CodeChef Rating (Highest Rating 2180)
  • 623 Global Rank
  • 306 Country Rank

Badges

Contest Contender -  Diamond Badge

Contest Contender - Diamond Badge

Received for participating in 100 Contests

Problem Solver - Gold Badge

Problem Solver - Gold Badge

Received for solving 500 Problems

Daily Streak - Bronze Badge

Daily Streak - Bronze Badge

Received for maintaining a streak of 5 days

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