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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 » Prabhat Kumar Raj
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Prabhat Kumar Raj

Bronze League Bronze League
  • 3★prabhat2101
  •   India
  • Student
  • Vignan University Guntur, Andhra Pradesh, India
  • No Active Plan. View Details

Submissions Heat Map

Rating Graph

No. of Contests Participated: 111
1641 (+8)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 219 (Rated)(2025-12-31 22:00:02)
Global Rank:   581
Cheated in:   

Ratings System Update

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1328 (+3)RatingProvisional
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Starters 69 Division 4 (Rated)(2022-12-20 00:00:00)
Global Rank:   1839
Cheated in:   

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Learning Paths (6)

learn-icon

Learn C++

20%
learn-icon

Linked Lists

Completed

learn-icon

Recursion

26%
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Python Projects for Beginners:

Completed

learn-icon

Stacks and Queues

59%
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C++ Problem Solving

38%

Practice Paths (13)

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1600 to 1800 difficulty problems

0%
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1400 to 1600 difficulty problems

6%
learn-icon

Practice C++

9%
learn-icon

Jump from 2* to 3*

5%
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Projects using HTML / CSS

62%
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Practice for ZCO and INOI

2%
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SQL Practice Queries

10%
learn-icon

Binary Search

2%
learn-icon

Number theory

25%
learn-icon

Greedy Algorithms

0%
learn-icon

Arrays, Strings & Sorting

50%
learn-icon

Data Structures Interview Questions

1%
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Level up from 1* to 2*

27%

Contests (111)

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

Starters 177 (Rated)

Ordered Distances, Triangle Checking, 2 Boxes

Starters 178 (Rated)

Placing 01 And 10, Permutation Construct

Starters 206 (Rated)

Cyclic Shift Minimization, Gladiator Fighting, Prime Sum, Expensive Buying

Starters 207 (Rated)

Make Subarray, Tourist, Maximum Smaller

Starters 208 (Rated)

GCND, Sabotage, Alternate Jumps

Starters 209 (Rated)

Binary Love, Tactical Conversion, Small GCD Sort

Starters 215 (Rated)

Product Sum Arrays (Easy), Differing Values, Special Missions

Starters 219 (Rated)

New Operation, 3 Paths , Ones and Zeroes II, Ones and Zeroes I

Total Problems Solved: 1034

1641
(Div 2)
★★★
CodeChef Rating (Highest Rating 1641)
  • 13071 Global Rank
  • 11678 Country Rank

Skill tests

43%

C language skill test

Attempted on April 2024
93%

C++ Skill test

Attempted on August 2024
View skill tests

Badges

Contest Contender -  Diamond Badge

Contest Contender - Diamond Badge

Received for participating in 100 Contests

Problem Solver - Diamond Badge

Problem Solver - Diamond Badge

Received for solving 1000 Problems

Daily Streak - Diamond Badge

Daily Streak - Diamond Badge

Received for maintaining a streak of 100 days

Code Enthusiast - Bronze Badge

Code Enthusiast - Bronze Badge

Received for explaining 10 Solutions

Total likes: 5    Total dislikes: 0

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