Rahul Kumar Yadav
- 3★rkyrahulkumar
India- Student
- Birsa Institute of Technology, Sindri Jharkhand, India
- No Active Plan. View Details
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(2025-06-25 22:00:02)Ratings System Update
(2022-12-20 00:00:00)Learning Paths (0)
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Contests (80)
March Cook-Off 2021 Division 3
Pawri Meme, Weight Balance
CodeChef Div 3 Rated Contest 2021 Division 3
Body Mass Index, Total Score
March Challenge 2021 Division 3
Interesting XOR!, Chef and Groups, Space Arrays, No Time to Wait
March Lunchtime 2021 Division 3
Turn It, Motivation, Make the Sum Even
April Challenge 2021 Division 3
Worthy Matrix, Chef and Dice, Valid Pair, World Record, Strong Language
International Coding Marathon 2021 Division 3 (Rated)
Lucky Boundaries
May Cook-Off 2021 Division 2
The Last Problem
May Lunchtime 2021 Division 2
Charges, Tom And Jerry 1
May Challenge 2021 Division 2 (Rated)
Xor Equality, Tic Tac Toe, Modular Equation
June Lunchtime 2021 Division 2
False Number, Unpleasant Ones
August Cook-Off 2021 Division 2
Different String, Chef and Closure, Equal Difference
August Lunchtime 2021 Division 2
K-th Maximum, Crossing Blocks, Just a Graph
CodeChef Starters 9 Division 2 (Unrated)
Black cells in a chessboard, Large Square
CodeChef Starters 10 Division 2 (Rated)
Maximise the Subsequence Sum, Remove One Element
September Challenge 2021 Division 2 (Unrated)
Airline Restrictions, Travel Pass
SnackDown 2021 - Online Qualifiers
Lucky Number, Maximum Number Of Distinct Elements
CodeChef Starters 11 Division 2 (Rated)
The Grid Fill Problem, Obtain the Sum
CodeChef Starters 12 Division 2 (Unrated)
Make it Divisible
CodeChef Starters 13 Division 2 (Rated)
Chef in Vaccination Queue, Maximum Light Up, Magical Doors
CodeChef Starters 14 Division 2 (Unrated)
Odd GCD, Diagonal movement, FIXFIX
October Challenge 2021 Division 2 (Unrated)
Longest AND Subarray, Digit Removal, MEX-OR
September Lunchtime 2021 Division 2
Balanced and Unique Arrays, Alice vs Bob Faceoff, Yet another SOD problem
October Lunchtime 2021 Division 2
Chef and Water Car, Exactly N plus 1 Values
SnackDown 2021 - Online Round 1A
Round Robin Ranks , Dance Moves, Min Max LCM
SnackDown 2021 - Online Round 1B
Queens Placement , Largest Laddu
November Challenge 2021 Division 2 (Unrated)
Weird Palindrome Making, Hill Sequence, Equal Coins
November Cook-Off 2021 Division 2
Product Pain, Missing Sums, Make it Divisible
CodeChef Starters 17 Division 2 (Rated)
Binary Inversion, GCD of Prefixes, New Piece
CodeChef Starters 19 Division 2 (Rated)
Indivisible Permutation, Distinct Elements
CodeChef Starters 20 Division 2 (Unrated)
Stable Sequence, Brutal-Xors
C.O.D.E.R.S Division 2 (Rated)
The One On The Last Night, The One with All the Candy, The One with Ross Wedding
FizzBuzz Division 2 (Rated)
Magical Planks, Clean The Sequence, Substring Minimum Function, Can_Reach
November Lunchtime 2021 Division 2
Expected Weight, Strange Minimization, Rapid Re-Orderings
December Challenge 2021 Division 2 (Unrated)
Valleys and Hills, List of Lists
December Cook-Off 2021 Division 2
Median Minimization, Musical Chairs, RGB Construction
CodeChef Starters 22 Division 2 (Rated)
An Interesting Sequence, Even Subset Xor, Equal LIS
January Cook-Off 2022 Division 2
Palindromes Not Allowed, Mean Maximization
CodeChef Starters 23 Division 2 (Unrated)
Subarray Mex
January Lunchtime 2022 Division 2
Subarray permutations, Prefix Zeros, Permutation XOR Sum
CodeChef Starters 24 Division 2 (Rated)
Anti Palindrome, Avoid Contact, Divisors and Reciprocals, Yet Another Constructive Problem
CodeChef Starters 25 Division 2 (Rated)
Points and Lines
February Cook-Off 2022 Division 2
Prefix Permutation
CodeChef Starters 27 Division 3 (Rated)
Distinct Binary Strings, Non Coprime Neighbours, Too many items, Blackjack, The product mystery
February Lunchtime 2022 Division 2
Four Equidistant Points on a Grid, Parallel Processing, Magnet Sort
CodeChef Starters 28 Division 2 (Rated)
Permutation Xority, Count the Holidays
March Long One 2022, Division 2 (Unrated)
Akash and Function, Subarray XOR, Substring of a Substring, Exact Marks
CodeChef Starters 30 Division 2 (Rated)
Minimum Coloring, Gift Shop and Coupon, Balanced Reversals
CodeChef Starters 31 Division 2 (Rated)
XOR and AND, Alternating String, Sign Moves, The Unchanging OR
March Lunchtime 2022 Division 2
Sad Splits, Adjacency Love
CodeChef Starters 34 Division 3 (Rated)
Average Array, Is the Score Consistent, Good Quality Bulbs, Positive Products
April Lunchtime 2022 Division 3(Rated)
Buckets Full of Candies, Mario and Bullet, Pair Pain, Palindrome Pain
Starters 36 Division 3 (Rated)
Buying Sweets, Reduce to 1, Presents for Cheffina, Chef and Bird farm
May Long One 2022 Division 2 (Unrated)
Pushpa , The Attack of Queen
Starters 38 Division 2 (Rated)
Good Pairs, Average Gift, Circular Track
Starters 39 Division 2 (Rated)
Compress the Video, Closest Vowels, Even Subarray XOR
Starters 40 Division 2 (Unrated)
Infinity Staircase, Good Pairs
July Cook-Off 2022 Division 2 (Rated)
Permutation And Median, Xor Permutation
Starters 41 Division 2 (Rated)
Equal Integers
June Cook-Off 2022 Division 3 (Rated)
Break the Stick, First and Last
June Long One 2022 Division 3 (Rated)
Subscriptions, Divisible by i , Alternate Additions, Equal Strings
Starters 44 Division 2 (Rated)
Triple Xor, Dense Bracket Sequence
Starters 43 Division 3 (Rated)
The Optimal Pairs, DNA Storage, Distinct Palindrome, Joining Date
June Lunchtime 2022 Division 2 (Rated)
Zero Ones Equal One Zeros, The Lost Array, Max Shift After XOR, XOR Times 2 Is Sum, Equal by XORing
June Long Two 2022 Division 2 (Unrated)
Count the ACs, Reversal Sorting, Strong Elements
Starters 46 Division 2 (Rated)
Prime Xor, Vowel Anxiety, Array sorting, Sort the String
Starters 47 Division 2 (Rated)
Copy and Push Back, Similar Heights, End Sorted
July Lunchtime 2022 Division 2 (Rated)
Easy Pronunciation, Yet Another Palindrome Making Problem, Maximum Median Matching, Largest Family
Starters 49 Division 2 (Rated)
Split The String, High Frequency, Monks, Valid Minimum
Starters 51 Division 2 (Rated)
Adjacent Xors, Split N, Copy and Paste, Different Medians
August Long 2022 Division 2 (Unrated)
Hello Equation, Two Trains
Starters 52 Division 2 (Unrated)
Minimum Sum, WA Test Cases
August Lunchtime 2022 Division 2 (Rated)
Easy Permutation, Array Equality
Starters 53 Division 2 (Rated)
Make A and B equal
Starters 55 Division 2 (Rated)
Mean and Median
Starters 56 Division 2 (Rated)
K-Subarrays, Maximize Colours
Starters 57 Division 2 (Unrated)
Maximum Expression, Two Different Palindromes
Starters 60 Division 2 (Rated)
Distinct Numbers, Yet Another Palindrome Problem, Palindrome Flipping
Starters 61 Division 2 (Rated)
Minimise LCS
Starters 98 Division 2 (Rated)
Airport Management, Ball Distribution
Starters 101 Division 2 (Rated)
Minimize Xor Difference, Warrior Chef, Lockpicking Chef
Starters 115 Division 2 (Rated)
A PLUS B Remastered, Decorating Christmas Tree
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
Starters 120 Division 2 (Rated)
Sub or Swp
Starters 121 Division 2 (Rated)
Frequal, Caesar Cipher Lite, Anti Adjacent Swaps
Starters 122 Division 2 (Rated)
Arya In Grid, Man of the Match
Starters 129 Division 2 (Rated)
Ballon d Or
Starters 131 Division 2 (Rated)
K-Closeness, Dice Deception
Starters 132 Division 2 (Rated)
ALIEN-OR, Optimal Flip, GAME 11
Starters 133 Division 2 (Rated)
Maximum Alternating Sum
Starters 139 Division 2 (Rated)
Maximum Distance Permutations
Starters 140 Division 2 (Rated)
Make Permutation, Split Permutation, Trick Or Treat, Tree Removal
Starters 143 Division 2 (Rated)
Non-Divisor Array, Binary Conversion
Starters 151 (rated)
Ball Game, Convert string
Starters 152 (Rated)
Maximize Hamming Distance, Range Minimize
Starters 192 (Rated)
Security Lines