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Programming and DSA

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Practice Compete Compiler

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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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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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Practice Compete Compiler
Home » rahulb2809
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rahulb2809

  • 4★rahulb2809
  •   India
  • Student
  • Indian Institute of Technology Kharagpur West Bengal, India
  • No Active Plan. View Details

Submissions Heat Map

Rating Graph

No. of Contests Participated: 40
1925 (+8)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 217 (Rated)(2025-12-17 22:00:02)
Global Rank:   273
Cheated in:   

Ratings System Update

(2025-12-17 22:00:02)
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None(None)
Global Rank:   0
Cheated in:   

Ratings System Update

(None)
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Learning Paths (1)

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C++ Problem Solving

8%

Practice Paths (1)

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Jump from 2* to 3*

3%

Contests (40)

February Cook-Off 2023 Division 4 (Rated)

Battery Health, Bi_lindrome!, Permutation and Modulus, Netflix

Starters 77 Division 4 (Rated)

Tekken, Tom and Jerry Chase, Codechef Airlines

Starters 78 Division 4 (Rated)

Valid Expression, Passing Marks, Candy Store, Good Turn

Starters 79 Division 3 (Rated)

One Stone or Two Stones, 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 81 Division 3 (Unrated)

Maximum Capacity

Starters 82 Division 3 (Rated)

Make A-B Same, Reach Home, MIN To MAX

Starters 84 Division 3 (Rated)

Max count of 1, Elections in Chefland, Max Binary, Melt Gold

Starters 87 Division 3 (Rated)

Return the Change, Existence, AB plus C

Starters 88 Division 2 (Rated)

Unstable Subarray

Starters 89 Division 3 (Rated)

Monopoly, Plus 2 or Minus 1, Positive or Negative Subarrays, DDMM or MMDD

Starters 92 Division 2 (Rated)

Rectangular Tiling, Distance Coloring, Dotify Playlist

Starters 95 Division 2 (Rated)

Boxes, Transfusion Chain, EVacuate to Moon

Starters 96 Division 2 (Rated)

Remove Multiples

Starters 97 Division 2 (Rated)

Schrodinger Smiley

Starters 98 Division 2 (Rated)

Airport Management, Ball Distribution

Starters 99 Division 2 (Rated)

Card Swipe, Exclusion-Inclusion

Starters 102 Division 2 (Rated)

Bit Play

Starters 111 Division 2 (Rated)

Beautiful Strings, Reach Codetown

Starters 112 Division 2 (Rated)

Cursed Indices, 3 Logicians Walk into a Bar, 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 118 Division 2 (Rated)

Subset GCD, Join States, Xorry 2, Xorry 1

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 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, Yet Another Alice Bob Game, Minimum And Maximum II

Starters 124 Division 2 (Rated)

Binary Parity, Table Strength, Swap and Unite, Make It One, How many arrays

Starters 125 Division 2 (Rated)

Bucket Game, Operating on A, Fake Certificate, Binary Minimal

Starters 139 Division 1 (Rated till 5-Stars)

Sum of N, Destroying Bridges Part 2

Starters 141 Division 1 (Rated till 5-Stars)

Amphibian Escape, Perfect Prefixes

Starters 142 Division 1 (Rated till 5-Stars)

Array Removal, Number Hunt

Starters 148 Division 1 (Rated till 6 stars)

The Undisappearance

Starters 149 (Rated till 5 stars)

Maximise Sum, Chef Loves Beautiful Strings (Easy Version)

Starters 165 (Rated)

Stable Array, Bulk Discount

Starters 167 (Rated)

Temperature Balance, Lottery Tickets, Delete Not Equal, Grid Construction (Odd)

Starters 200 (Rated)

Minimum Set, Random NIM, Restrict Palindromes, Good Subsequence

Starters 217 (Rated)

Make An AP, Range MEX, Max Adds, Add to make Positive, Add 1 or 3

Total Problems Solved: 191

1925
(Div 2)
★★★★
CodeChef Rating (Highest Rating 2044)
  • 2614 Global Rank
  • 2033 Country Rank

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Contest Contender - Silver Badge

Contest Contender - Silver Badge

Received for participating in 25 Contests

Problem Solver - Bronze Badge

Problem Solver - Bronze Badge

Received for solving 50 Problems

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