CodeChef Logo CodeChef Logo
Courses

Programming and DSA

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

Career Paths

From beginner to job-ready. Explore our curated career paths designed to help you succeed in the tech industry.

Other Courses

Programming and DSA

Explore courses

Catalogue

Programming and DSA

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

Career Paths

From beginner to job-ready. Explore our curated career paths designed to help you succeed in the tech industry.

Other Courses

Explore courses
Practice Compete Compiler

Courses

Programming and DSA

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

Career Paths

From beginner to job-ready. Explore our curated career paths designed to help you succeed in the tech industry.

Other Courses

Programming and DSA

Explore courses

Catalogue

Programming and DSA

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

Career Paths

From beginner to job-ready. Explore our curated career paths designed to help you succeed in the tech industry.

Other Courses

Explore courses
Practice Compete Compiler
Home » Raj Judal
user profile

Raj Judal

  • 4★raj_judal
  •   India
  • Student
  • Indian Institute of Technology Dhanbad
  • No Active Plan. View Details

Submissions Heat Map

Rating Graph

No. of Contests Participated: 76
1910 (-27)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 173 (Rated upto < 2700)(2025-02-12 22:30:02)
Global Rank:   1596
Cheated in:   

Ratings System Update

(2025-02-12 22:30:02)
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?
1606 (+3)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 69 Division 3 (Rated)(2022-12-20 00:00:00)
Global Rank:   549
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)

learn-icon

Jump from 2* to 3*

6%
learn-icon

1800 to 2000 difficulty problems

1%

Contests (76)

July Cook-Off 2022 Division 4 (Rated)

Enough Space, Chef Drinks Tea, High Accuracy

Starters 41 Division 4 (Rated)

Equal Integers, Chef and Brain Speed, Chef and Chocolates, Path Parity, Determine the Winner

June Long One 2022 Division 4 (Rated)

Chairs Requirement, Subscriptions, Alternate Additions

Starters 43 Division 4 (Rated)

Burgers, Joining Date, Waiting Time

July Long One 2022 Division 4 (Rated)

Bidding, Pass the Exam, Chef and Candies

July Long Two 2022 Division 4 (Rated)

Chef in his Office, Insurance

Starters 49 Division 4 (Rated)

N Buttons 1 Bulb, Is it hot or cold, Maximise the Tastiness, Valid Minimum

Starters 51 Division 4 (Rated)

Split N, Copy and Paste, Final Population, Different Medians, TV Discount

August Long 2022 Division 4 (Rated)

Sale Season, Maximum Submissions, Make A and B equal

August Lunchtime 2022 Division 4 (Rated)

Test Averages, Candy Distribution, Equalizing Numbers, Easy Permutation, Array Equality, Height of Rationals

Starters 53 Division 4 (Rated)

Car Trip, Greater Average, Odd Pairs, Make A and B equal, Weights

Starters 54 Division 4 (Rated)

Equal Distinct, Number of Credits, Ticket Fine

Starters 55 Division 4 (Rated)

Balls and Boxes, Permutation Clear, Fever, Mean and Median, Broken Phone

September Long 2022 Division 3 (Rated)

Speed Limit Test, Bob at the Bank, Chef and Wire Frames, Pokemon Battles, Interesting Subarray, Good Pairs

Starters 56 Division 3 (Rated)

Nearest Exit, Maximize Colours, Far Away

Starters 57 Division 3 (Rated)

Non-Negative Product, Two Different Palindromes

October Long 2022 Division 3 (Rated)

Building Race

Starters 60 Division 4 (Rated)

Expert Setter, Yet Another Palindrome Problem, Tax in Chefland, Paper Cutting, Palindrome Flipping, Card Removal

Starters 61 Division 3 (Rated)

Minimise LCS, Different Consecutive Characters , Odd Sum Pair

Starters 62 Division 3 (Rated)

Sorted Substrings, Make Multiple, Final Sum, X Jumps, Test Score

Starters 63 Division 3 (Rated)

Make Length 1, Avoid Squares Please

Starters 64 Division 3 (Rated)

Mario and the Broken String, Luigi and Uniformity, Distinct Colors

Starters 65 Division 3 (Rated)

Nahaane Jaa, Parity, Candies, Binod, Hackerman

November Long 2022 Division 3 (Rated)

MaxEdges, Split and Maximize, Spliting Balls, String Game

Starters 66 Division 3 (Rated)

Just Like Mob!, Binary Battles, Monopoly in Chefland

Starters 67 Division 3 (Rated)

Maximum Angriness, Expensive Steps , Minimum Number of Ones, Counting Problem, Tour of King

Starters 68 Division 3 (Rated)

Expense List, Make AP, Make Money

Starters 69 Division 3 (Rated)

Akash and Dinner, Convert to permutation, Distinct Sequence

Starters 70 Division 2 (Rated)

Minimum distance between 1s, Prime Reversal

Starters 71 Division 3 (Rated)

Pet Store, 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

Starters 73 Division 3 (Rated)

Find an integer, Consecutive Xor, Chef Plays Ludo, Multivitamin Tablets, Lucky Numbers, 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, Minimum Beauty

Starters 77 Division 2 (Rated)

Concat Palindrome, K Increment Palindrome, Three Numbers

Starters 79 Division 2 (Rated)

One Stone or Two Stones, Distinct Opposite Sums

Starters 80 Division 2 (Rated)

Permutation Subsequence, c8kbf and Tree, Prefix Permutation, Equal Elements

Starters 81 Division 2 (Unrated)

Distinct Matrix, Divide Pages

Starters 84 Division 2 (Rated)

Max count of 1, Digit Operation, Max Binary, Chef And Adjacent Sums

Starters 85 Division 2 (Rated)

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

Starters 86 Division 2 (Rated)

String Game , Largest Y, Maximise Score

Starters 83 Division 2 (Rated)

Construct String, Order by XOR

Starters 88 Division 2 (Rated)

Maximum And Or, Chef and Asteroids, Unstable Subarray

Starters 89 Division 2 (Rated)

Plus 2 or Minus 1, Positive or Negative Subarrays, Subarray Removal

Starters 90 Division 2 (Rated)

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

Starters 91 Division 2 (Rated)

Odd GCD Permutation, Chef Odd, Blobby Volley Scores, Maximum Sum Permutation

Starters 92 Division 2 (Rated)

Rectangular Tiling, Distance Coloring, Dotify Playlist

Starters 93 Division 2 (Rated)

Break Free, NASA, Problem

Starters 94 Division 2 (Rated)

CodeChef Streak, Possible or Not, The Vowel Matrix

Starters 95 Division 2 (Rated)

Boxes, Transfusion Chain, EVacuate to Moon

Starters 97 Division 2 (Rated)

Schrodinger Smiley, No Palindrome, Triplets Min

Starters 98 Division 2 (Rated)

3-Blast Palindrome, Airport Management, Ball Distribution

Starters 100 Division 2 (Rated)

Prime Permutation, Stamps 100

Starters 103 Division 2 (Rated)

Divisible By 8, Dice Number

Starters 104 Division 2 (Rated)

Lexicographically Largest , Maximise Sum, GCD and LCM

Starters 106 Division 2 (Rated)

Playing with OR, Save People, Guess the winner!

Starters 109 Division 2 (Rated)

Minimum XOR, Best of N Sets, Alter Ego

Starters 112 Division 2 (Rated)

Cursed Indices, 3 Logicians Walk into a Bar, Yet Another Array Game, Permutation Construction, 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, 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 119 Division 2 (Rated)

Cookie Day, Another Good String , K Odd Sum, Unalike Gcd & Lcm

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 124 Division 2 (Rated)

Binary Parity, Table Strength, Swap and Unite, Make It One

Starters 126 Division 2 (Rated)

Freedom, Permutation Disturbance, Triangular Swaps

Starters 127 Division 2

ABC Conjecture, Superincreasing, Anti-Triangle

Starters 129 Division 2 (Rated)

Palindromic Substrings, Ballon d Or

Starters 130 Division 2 (Rated)

Make Equal, Alternating Binary String

Starters 145 Division 2 (Rated)

Make Bob Win , Make My Array Equal, Square String

Starters 146 Division 2 (Rated till 5 stars)

Bouncing Ball, Permutation Construction, Knockout tournament

Starters 148 Division 2 (Rated)

FightBots

Starters 173 (Rated upto < 2700)

Cool Subsequences, Time Penalty

Total Problems Solved: 400

1910
(Div 2)
★★★★
CodeChef Rating (Highest Rating 1937)
  • Inactive Global Rank
  • Inactive Country Rank

Badges

Contest Contender - Gold Badge

Contest Contender - Gold Badge

Received for participating in 50 Contests

Problem Solver - Silver Badge

Problem Solver - Silver Badge

Received for solving 250 Problems

Daily Streak - Bronze Badge

Daily Streak - Bronze Badge

Received for maintaining a streak of 5 days

Recent Activity

Fetching recent activity

Workden, MNR PRIDE, 14, HAL Old Airport Rd, Domlur I Stage, 1st Stage, DOMLUR, Bengaluru, Karnataka 560071 help@codechef.com +91 95911 47880
Find us online

ROADMAPS

Learn Python
Learn Java
Learn C
Learn C++
Data structures and Algorithms
Competitive Programming
More Roadmaps

CAREER PATHS

React JS Developer
Full stack Developer
SQL for Data Analysis
Frontend Developer
Java Backend Developer
Data Analysis using Python
Python Backend Developer
C++ Developer
Machine Learning using Python

COMPILERS

HTML online compiler
C++ online compiler
C online compiler
Java online compiler
Python online compiler
SQL online compiler
JavaScript online compiler
React online compiler
More compilers

COMPANY

About us
For colleges
Coding Contests
Blogs
Hire from us
Contact us
Privacy Policy
Frequently Asked Questions

© 2026 CodeChef Inc. All rights reserved.

We use cookies to improve your experience and for analytical purposes. Read our Privacy Policy and Terms to know more. You consent to our cookies if you continue to use our website.