Prabhat Kumar Raj
- prabhat2101
India- Student
- Vignan University Guntur, Andhra Pradesh, India
- No Active Plan. View Details
Activity Heat Map
Learning Paths (7)
Learn HTML / CSS
Learn C++
Linked Lists
Completed
Recursion
Python Projects for Beginners:
Completed
Stacks and Queues
C++ Problem Solving
Practice Paths (12)
1400 to 1600 difficulty problems
Practice C++
Jump from 2* to 3*
Projects using HTML / CSS
Practice for ZCO and INOI
SQL Practice Queries
Binary Search
Number theory
Greedy Algorithms
Arrays, Strings & Sorting
Data Structures Interview Questions
Level up from 1* to 2*
Contests (103)
May Long Two 2022 Division 4 (Rated)
Practice makes us perfect, Xor Palindrome, Score High, Total Prize Money, Degree of Polynomial
Starters 40 Division 4 (Unrated)
Difficulty Rating Order, Doubt Support Availability, Whatsapp Messages, Take discount or Not
June Cook-Off 2022 Division 4 (Rated)
Rating Improvement, Playlist
Starters 54 Division 4 (Rated)
Number of Credits, Ticket Fine
Starters 55 Division 4 (Rated)
Fever, Broken Phone
September Long 2022 Division 4 (Rated)
Speed Limit Test, Bob at the Bank, Chef and Wire Frames
Starters 56 Division 4 (Rated)
Nearest Exit, Chefland Games, Maximize Colours
September Lunchtime 2022 Division 4 (Rated) (Based on EJOI)
Sleep deprivation, Flip the cards, Stick Break
Starters 57 Division 4 (Rated)
Alice and Marks, Integers that sum to the same value, Non-Negative Product
Starters 58 Division 4 (Rated)
Ranklist Pages, Reach the Target
Starters 59 Division 4 (Rated)
Chef and Happy String , Suspense String, Audible Range, Speciality
October Long 2022 Division 4 (Rated)
Podium Finish, Minimum Pizzas, Building Race, Single Operation Part 1, Single Operation Part 2
Starters 60 Division 4 (Rated)
Expert Setter, Tax in Chefland, Paper Cutting, Palindrome Flipping, Card Removal
Starters 61 Division 4 (Rated)
Different Consecutive Characters , Reach on Time, Odd Sum Pair
Starters 62 Division 4 (Rated)
Sorted Substrings, Make Multiple, X Jumps, Max minus Min, Test Score
Starters 63 Division 4 (Rated)
One-XOR Deletions, Packing Books, Tasty Decisions, Avoid Squares Please
Starters 64 Division 4 (Rated)
Mario and the Broken String, Luigi and Uniformity, Distinct Colors, Water Consumption
Starters 65 Division 4 (Rated)
Nahaane Jaa, Parity, Candies, Hackerman
November Long 2022 Division 4 (Rated)
MaxEdges, Split and Maximize, Spliting Balls, Time Complexity, Water Mixing, String Game
Starters 66 Division 4 (Rated)
Binary Battles, Squats, Monopoly in Chefland
Starters 67 Division 4 (Rated)
Minimum Number of Ones, Counting Problem, Tour of King
Starters 68 Division 4 (Rated)
Expense List, Bull or Bear, Make AP, Make Money
Starters 69 Division 4 (Rated)
Rain in Chefland, Scalene Triangle, Convert to permutation
Starters 70 Division 4 (Rated)
Kitchen Timings, Spice Level, Cost of Groceries, Prime Reversal
Starters 71 Division 4 (Rated)
Pet Store, Instagram, Snapchat, Perfect Trio
December Long 2022 Division 4 (Rated)
Gcd of Subarrays, Good Investment or Not, Reach fast, Maximise XOR
Starters 72 Division 4 (Rated)
Indivisible, Apples and oranges, Sum it
Starters 73 Division 4 (Rated)
Chef Plays Ludo, Multivitamin Tablets, Lucky Numbers
Starters 75 Division 4 (Rated)
Three Powers of Two, Two Ranges, Saving Taxes, Profit Increment
Starters 76 Division 4 (Rated)
Redistributing Chocolates, Read Pages, Zero String, 400M Race, Not Divisible
February Cook-Off 2023 Division 3 (Rated)
Take Not Less, Bi_lindrome!, Permutation and Modulus, Netflix
Starters 77 Division 3 (Rated)
Tekken
Starters 78 Division 4 (Rated)
Valid Expression, Passing Marks, Candy Store, Good Turn
Starters 79 Division 4 (Rated)
Add smallest prime factor, Distinct Opposite Sums, Better Deal, Ageing
Starters 80 Division 3 (Rated)
Prefix Permutation, Single-use Attack, Running Comparison, Equal Elements
Starters 82 Division 3 (Rated)
Make A-B Same, Reach Home, Difference Matrix
Starters 84 Division 3 (Rated)
Max count of 1, Elections in Chefland, Max Binary, Melt Gold
Starters 85 Division 3 (Rated)
Crazy Bishops on Chessboard, Efficient PAN Linking, Inside The Stadium, Can Chef
Starters 87 Division 4 (Rated)
Four Tickets, Buy Ten Packets, Return the Change, Existence
Starters 83 Division 3 (Rated)
Chef Eren, Construct String
Starters 88 Division 3 (Rated)
Online or Offline, Largest and Second Largest
Starters 89 Division 3 (Rated)
Monopoly, Plus 2 or Minus 1, DDMM or MMDD
Starters 90 Division 3 (Rated)
AP Free Sequences, Printing Binary Array, Anti Palindrome
Starters 91 Division 3 (Rated)
Odd GCD Permutation, Chef Odd, Blobby Volley Scores
Starters 92 Division 3 (Rated)
Rectangular Tiling, Dotify Playlist, Water Filling
Starters 93 Division 3 (Rated)
Break Free, Right There, 7 Rings, Problem
Starters 94 Division 3 (Rated)
Gymkhana Election IIIT-A, CodeChef Streak, Possible or Not
Starters 95 Division 3 (Rated)
Alt-Tab, Transfusion Chain
Starters 97 Division 3 (Rated)
Caesar Cipher, Schrodinger Smiley, Best of Two
Starters 98 Division 3 (Rated)
FIND A and B, Airport Management, Ball Distribution
Starters 99 Division 3 (Rated)
Card Swipe, Endless Appetizers, Exclusion-Inclusion
Starters 101 Division 3 (Rated)
Warrior Chef, Work Smarter, Not Harder, Lockpicking Chef
Starters 102 Division 3 (Rated)
Bit Play, Sports Section, Selling Insurance, Chef and Stocks
Starters 103 Division 3 (Rated)
Sunday Brunch, Divisible By 8, Dice Number
Starters 104 Division 3 (Rated)
Santa and Chocolates, Pizza Cutting, GCD and LCM
Starters 105 Division 3 (Rated)
Dracula Eats, Take it Easy, Dull Operation
Starters 106 Division 3 (Rated)
Chef Fantasy 11, Playing with OR, Guess the winner!
Starters 107 Division 3 (Rated)
Rock Paper Scissor, Pending Assignments, OR Permutation
Starters 108 Division 3 (Rated)
Palindromic Prime Numbers, Fair Distribution, Chess Pairing
Starters 109 Division 3 (Rated)
Minimum XOR, Best of N Sets, Worth of a Video, Alter Ego
September Short 2023 Division 3 (Unrated)
Lucky Seven
Starters 110 Divison 3 (Rated)
Water Park, Airlines, Marbles, Am I Lucky!, Monsters
Starters 111 Divison 3 (Rated)
Beautiful Strings, Reach Codetown, Exams
Starters 112 Division 3 (Rated)
Fair Share Settlement, 3 Logicians Walk into a Bar, Max Nutrition
Starters 113 Division 3 (Rated)
Minimise Maximum Subarray Sum, Maximum Score , Sum Neq , Make N Zero
Starters 114 Division 3 (Rated)
Rock-Paper-Scissors, Painting Walls, Christmas Candy, Christmas Greetings
Starters 115 Division 3 (Rated)
Greedy LIS Algorithm, A PLUS B Remastered, Decorating Christmas Tree, Chocolate Distribution
Starters 116 Division 3 (Rated)
Chef Product, Hattrick, ORST , Access Control
Starters 117 Division 3 (Rated)
Not Prime Permutation, Weapon Choice, Spell Shortening
Starters 118 Division 3 (Rated)
Subset GCD, Literacy Rate, Join States, Xorry 1
Starters 119 Division 3 (Rated)
Judged, Cookie Day, Another Good String , K Odd Sum
Starters 120 Division 3 (Rated)
Count Subarrays, Largest K, Sub or Swp, Valentine Gifts
Starters 121 Division 2 (Rated)
Frequal, 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 3 (Rated)
Binary Parity, Table Strength, Swap and Unite, Cricket Tournament
Starters 125 Division 3 (Rated)
50-50 Rule, Fake Certificate, Binary Minimal
Starters 126 Division 3 (Rated)
Dice Game 3, Freedom, Sale, Permutation Disturbance
Starters 127 Division 2
Superincreasing, Anti-Triangle
Starters 128 Division 2 (Rated)
MEXimize the Array, Disjoint Non-Decreasing Array
Starters 129 Division 2 (Rated)
Palindromic Substrings, 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 132 Division 2 (Rated)
ALIEN-OR, GAME 11
Starters 134 Division 2 (Rated)
Origin, Rock Paper Scissors
Starters 135 Division 2 (Rated)
Invert And Equalize, Change A to B
Starters 136 Division 4 (Rated)
Who Makes P1, Even Sum Subarray, My First Geometry Problem
Starters 137 Division 4 (Rated)
Election Hopes, Spell Splice, Large Differences
Starters 138 Division 4 (Rated)
Heat Wave, Long Drive, Distinct Substring
Starters 139 Division 3 (Rated)
Maximum Distance Permutations, Distribute Cookies
Starters 140 Division 3 (Rated)
Make Permutation, Split Permutation, Trick Or Treat, Yoga Class
Starters 141 Division 3 (Rated)
Redundant Array, Nearly Equal
Starters 142 Division 3 (Rated)
Chef loves Pizza Chef loves halfs, Penalty Shoot-out, Array Removal, Number Hunt
Starters 143 Division 3 (Rated)
Non-Divisor Array, Binary Conversion, Maximum Coins
Starters 144 Division 3 (Rated)
Budget Allotment, Largest K, Savings Account
Starters 145 Division 3 (Rated)
Make Bob Win , Volume Comparison, Gun Master, Make My Array Equal, Square String
Starters 146 Division 3 (Rated till 5 stars)
Bouncing Ball, Permutation Construction, Knockout tournament, No Winner
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 151 (rated)
Ball Game, Convert string
Starters 153 (Rated)
Butterfly, Another Game, Colorful Tree (Easy Version)
Starters 154 (Rated)
GCD and XOR, Add 1 or 2 Game, Calorie Limit
Starters 157 (Rated)
Small, Smaller, Smallest, Not-too-far Replacement
Starters 163 (Rated)
Binary Sum