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Programming and DSA

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Practice Compete Compiler
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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

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Catalogue

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 » Rahul Khanna
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Rahul Khanna

Bronze League Bronze League
  • 2★r1ahulkhanna
  •   India
  • Student
  • Maharshi Dayanand University, Rohtak Haryana, India
  • View Details

Submissions Heat Map

Rating Graph

No. of Contests Participated: 32
1555 (+45)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 235 (Rated)(2026-04-22 22:00:04)
Global Rank:   470
Cheated in:   

Ratings System Update

(2026-04-22 22:00:04)
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?
1110 (+0)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 69 Division 3 (Rated)(2022-12-20 00:00:00)
Global Rank:   2161
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 (11)

learn-icon

Learn Spring Boot for Back-end development

36%
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Learn Python for project building

17%
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Learn Go

1%
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Learn SQL

2%
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Learn JavaScript

56%
learn-icon

Java Problem Solving

50%
learn-icon

Learn C++

12%
learn-icon

Dynamic programming

71%
learn-icon

Learn Java (Older version)

73%
learn-icon

Logic Building in C#

28%
learn-icon

Learn C#

46%

Practice Paths (6)

learn-icon

C++ Projects for Beginners

17%
learn-icon

Number theory

54%
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1400 to 1600 difficulty problems

18%
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1000 to 1400 difficulty problems

3%
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Greedy Algorithms

30%
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Linked Lists

4%

Contests (32)

Starters 65 Division 4 (Rated)

Candies, Parity, Hackerman

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 3 (Rated)

Akash and Dinner, Convert to permutation

Starters 70 Division 4 (Rated)

Spice Level, Prime Reversal, Minimum distance between 1s, Cost of Groceries, Kitchen Timings

December Long 2022 Division 4 (Rated)

Divisible by A_i, Gcd of Subarrays, Good Investment or Not, Divisible by K, Reach fast, Maximise XOR

Starters 72 Division 4 (Rated)

Sum it, N Triplets, Indivisible, Apples and oranges

Starters 73 Division 4 (Rated)

Chef Plays Ludo, Multivitamin Tablets, Lucky Numbers, Append for OR

Starters 74 Division 4 (Rated)

Facebook, Mana Points, Chef And Babla, Odd Even Binary String

Starters 76 Division 3 (Rated)

Zero String, Not Divisible, 400M Race, Construct Array, Make Array Odd, Redistributing Chocolates

February Cook-Off 2023 Division 3 (Rated)

Take Not Less, Bi_lindrome!, Permutation and Modulus, Netflix

Starters 80 Division 3 (Rated)

Prefix Permutation, Single-use Attack, Running Comparison, Equal Elements

Starters 82 Division 3 (Rated)

Reach Home, MIN To MAX

Starters 86 Division 3 (Rated)

Cricket Match, Chef and Battery

Starters 83 Division 3 (Rated)

Chef Eren, Construct String

Starters 88 Division 3 (Rated)

Largest and Second Largest

Starters 92 Division 3 (Rated)

Dotify Playlist, Water Filling

Starters 93 Division 3 (Rated)

7 Rings, Problem

Starters 98 Division 3 (Rated)

FIND A and B

Starters 106 Division 3 (Rated)

Chef Fantasy 11, Playing with OR

Starters 111 Divison 3 (Rated)

Beautiful Strings, Exams, Reach Codetown

Starters 112 Division 3 (Rated)

Fair Share Settlement, Max Nutrition

Starters 115 Division 3 (Rated)

A PLUS B Remastered, Chocolate Distribution

Starters 117 Division 4 (Rated)

Not Prime Permutation, Weapon Choice, Spell Shortening, Yearly Phone

Starters 166 (Rated)

Christmas Gifts, Merry Christmas!

Starters 182 (Rated)

IPL, Bar Queue, Beautiful Garden, Palindromic Score

Starters 223 (Unrated)

Cashback

Starters 229 (Rated)

Vacation Excitement, Sequential Clamp, All Zero

Starters 231 (Rated)

Double Discount, Imperfect Numbers, Recurrence Reachability, Target Temperature

Starters 234 (Rated)

Binary Construction, Good Array 1 , Cooler, Non-Negative Sum

Starters 235 (Rated)

Balanced Positions in a Permutation, Sorted Groups, MEX Spectrum, Recover Palindrome

Monday Munch - DSA Challenge 34

Print Pattern, Frequency of elements using Hashing, Rating people

Total Problems Solved: 1295

1555
(Div 3)
★★
CodeChef Rating (Highest Rating 1555)
  • 21254 Global Rank
  • 19488 Country Rank

Skill tests

83%

Getting Started

Attempted on October 2025
100%

Output operations, Variables, Datatypes and Operators

Attempted on October 2025
View skill tests

Badges

Problem Solver - Diamond Badge

Problem Solver - Diamond Badge

Received for solving 1000 Problems

Contest Contender - Silver Badge

Contest Contender - Silver Badge

Received for participating in 25 Contests

Daily Streak - Silver Badge

Daily Streak - Silver Badge

Received for maintaining a streak of 25 days

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