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

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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
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rahul

  • 3★rahultehlan99
  •   India
  • Student
  • Netaji Subhas University of Technology Dwarka, Delhi, India
  • No Active Plan. View Details

Submissions Heat Map

Rating Graph

No. of Contests Participated: 54
1679 (+18)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 172 (Rated)(2025-02-05 22:00:02)
Global Rank:   959
Cheated in:   

Ratings System Update

(2025-02-05 22:00:02)
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?
1661 (-22)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 63 Division 2 (Rated)(2022-12-20 00:00:00)
Global Rank:   834
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)

None

Practice Paths (0)

None

Contests (54)

April Challenge 2020 Division 2

COVID Pandemic and Long Queue

June Challenge 2020 Division 2

Chef and Icecream, Chef and String, Chef and Price Control

October Challenge 2020 Division 2

Positive AND, Covid Run, Chef and Easy Queries

November Challenge 2020 Division 2

Restore Sequence, Ada and Dishes

December Challenge 2020 Division 2

Positive Prefixes, Even Pair Sum, Vaccine Production, Vaccine Distribution

January Lunchtime 2021 Division 2 (Unrated)

Binary Subsequence, Even Differences, Even Sum

January Challenge 2021 Division 3

Fair Elections, Chef and Division 3, Point Of Impact, Encoded String

January Cook-Off 2021 Division 3

Prime Tuples, Distinct Pair Sums, Password

February Challenge 2021 Division 2

Frog Sort, Team Name, Prime Game, Maximise Function

March Cook-Off 2021 Division 2

Matrix XOR, Guess the Number

February Lunchtime 2021 Division 2

Palpal Strings, Coprime Range

March Challenge 2021 Division 2

Interesting XOR!, Space Arrays

April Cook-Off 2021 Division 2

Bodybuilder, OR of ANDs, Chocolate Monger

April Lunchtime 2021 Division 2

Chef in Heaven , Bench Press, Array Rotation

SPYBITS IIT BHU Division 2 (Rated)

B - Valentine Couples, C - Mission Gotham, A - Save Water Save Life

May CodeChef Starters 2021 Division 3 (Rated)

Cheating Time, Plagiarism, Lazy Chef, Correct Sentence

May Challenge 2021 Division 2 (Rated)

Xor Equality

June Challenge 2021 Division 2 (Unrated)

Shortest Route

June Cook-Off 2021 Division 2

Binary String on Steroids, The Wave

June Lunchtime 2021 Division 2

From Rational to Binary, False Number, Unpleasant Ones

July Cook-Off 2021 Division 2

XOR-ORED, Mod Equality

August Cook-Off 2021 Division 2

Different String, Chef and Closure, Equal Difference

September Cook-Off 2021 Division 2

Zebra Crossing, Fake Swaps, Adjacency Hatred

CodeChef Starters 11 Division 2 (Rated)

The Grid Fill Problem, Obtain the Sum

CodeChef Starters 13 Division 2 (Rated)

Chef in Vaccination Queue, Maximum Light Up, Magical Doors

September Lunchtime 2021 Division 2

Balanced and Unique Arrays, Alice vs Bob Faceoff, Yet another SOD problem

October Lunchtime 2021 Division 2

Exactly N plus 1 Values

November Cook-Off 2021 Division 2

Missing Sums, Make it Divisible

C.O.D.E.R.S Division 2 (Rated)

The One On The Last Night

FizzBuzz Division 2 (Rated)

Magical Planks, Can_Reach

December Lunchtime 2021 Division 2

Maximum Trio, Optimal Sorting, Romantic Reversals

CodeChef Starters 21 Division 2 (Rated)

Akash and Grid

CodeChef Starters 22 Division 2 (Rated)

An Interesting Sequence

January Cook-Off 2022 Division 3

Palindromes Not Allowed, Mean Maximization, Mask Policy, Hungry Ashish

CodeChef Starters 23 Division 2 (Unrated)

Average of Three, Subarray Mex

January Lunchtime 2022 Division 2

Subarray permutations, Prefix Zeros

CodeChef Starters 24 Division 2 (Rated)

Anti Palindrome, Avoid Contact, Yet Another Constructive Problem

February Cook-Off 2022 Division 2

Perfect Permutation, PerMEXuation , Prefix Permutation

CodeChef Starters 27 Division 2 (Rated)

Distinct Binary Strings, The product mystery

CodeChef Starters 29 Division 2 (Rated)

String protocol, Plusle and Minun on Array, Decomposition Reaction

CodeChef Starters 31 Division 2 (Rated)

XOR and AND, Alternating String, Sign Moves, The Unchanging OR

Starters 36 Division 2 (Rated)

Presents for Cheffina

Starters 38 Division 2 (Rated)

Circular Track

May Lunchtime 2022 Division 2 (Rated)

Bucket and Water Flow

Starters 40 Division 3 (Unrated)

Difficulty Rating Order, Infinity Staircase, Take discount or Not

Starters 41 Division 3 (Rated)

Equal Integers, Is this priority or parity!, Path Parity, Determine the Winner

Starters 43 Division 2 (Rated)

Distinct Palindrome

June Lunchtime 2022 Division 2 (Rated)

Zero Ones Equal One Zeros, The Lost Array, XOR Times 2 Is Sum, Equal by XORing

Starters 45 Division 2 (Rated)

Even Equal Odd, Retrieve the Array, Adjacent Sum Parity

Starters 46 Division 2 (Rated)

Vowel Anxiety, Array sorting, Sort the String

Starters 49 Division 2 (Rated)

High Frequency, Valid Minimum

August Lunchtime 2022 Division 2 (Rated)

Easy Permutation, Array Equality, Tree Coloring

Starters 53 Division 2 (Rated)

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

Starters 63 Division 2 (Rated)

One-XOR Deletions, Make Length 1

Starters 172 (Rated)

Transform String, Streak Star

Total Problems Solved: 250

1679
(Div 2)
★★★
CodeChef Rating (Highest Rating 1682)
  • 10268 Global Rank
  • 9071 Country Rank

Skill tests

93%

Java Skill test

Attempted on September 2024
View skill tests

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

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