Rahul Ahuja
Rookie League
- rahulahuja2901
India- Student
- Netaji Subhas University of Technology Dwarka, Delhi, India
- No Active Plan. View Details
Submissions Heat Map
Learning Paths (0)
Practice Paths (1)
Contests (154)
August Challenge 2021 Division 3 (Rated)
Problem Difficulties, Olympics Ranking
September Challenge 2021 Division 3 (Rated)
Shuffling Parities, Airline Restrictions, Travel Pass
September Cook-Off 2021 Division 3
Cars and Bikes
CodeChef Starters 12 Division 3 (Rated)
Good Weather
October Challenge 2021 Division 3 (Rated)
Three Boxes, Which Mixture
November Challenge 2021 Division 3 (Rated)
Equal Coins, Which Fuel is Cheaper
CodeChef Starters 18 Division 3 (Rated)
Back to Campus, Make them equal
C.O.D.E.R.S Division 3 (Rated)
The One On The Last Night, The One with Russ, The One Where It All Began
FizzBuzz Division 3 (Rated)
Can_Reach, Can You Eat It
November Lunchtime 2021 Division 3
Chef and Stock Prices
December Challenge 2021 Division 3 (Rated)
Utkarsh and Placement tests
December Lunchtime 2021 Division 3
Chef and Vacation Transportation , Chef Loves 1010
CodeChef Starters 21 Division 3 (Rated)
Devendra and Water Sports, Akash and Grid, Covid and Theatre Tickets
CodeChef Starters 22 Division 3 (Rated)
An Interesting Sequence, Equal Card Game, Elections in Chefland
Code Drive Division 3 (Rated)
Game between friends, Favourite String of Chef
January Long 2022 - I, Division 3 (Rated)
Keplers Law, Covid Spread
Exun 2021-22 Division 3 (Rated)
Vishesh and his Popcorn Combo, Sarthak and his Magic Grid
January Cook-Off 2022 Division 3
Palindromes Not Allowed, Mean Maximization, Mask Policy, Hungry Ashish
CodeChef Starters 23 Division 3 (Rated)
Average of Three, Chef and Profits
January Lunchtime 2022 Division 3
Subarray permutations, Chef and Subset Additions, Chef and Lockout Draws
CodeChef Starters 24 Division 3 (Rated)
Avoid Contact, Badminton Serves, EVM Hacking
February Long 2022 - I, Division 3 (Rated)
Binary Base Basics, N Queens Puzzle Solved !, Chef and the Hair Salon
CodeChef Starters 25 Division 3 (Rated)
Building Towers, Equal MEX, Points and Lines, Fit in Data Type, Chef and His Fruit Stand
February Cook-Off 2022 Division 2
Perfect Permutation, Complete the credits, Guess the bottom face, Lazy Salesman, Peaceful Party, Prefix Permutation
February Long 2022 - II, Division 2 (Unrated)
Avoid Fixed Points, World Chess Championship, Chef and NextGen, Xor Palindrome
CodeChef Starters 26 Division 2 (Unrated)
Careless Chef, Car or Bike, Valentine is Coming, Count the Notebooks, Hostel Room, Control the Pollution
CodeChef Starters 27 Division 2 (Rated)
Distinct Binary Strings, Get Lowest Free, Too many items, Shopping Change, Blackjack, The product mystery
CodeChef Starters 28 Division 3 (Rated)
Chef and Instant Noodles, Permutation Xority, Self Defence Training, Car Choice, Qualify the round, Count the Holidays
March Long One 2022, Division 2 (Unrated)
Substring of a Substring, Akash and Missing Class, Exact Marks, Discus Throw, Bath in Winters, Wordle
CodeChef Starters 29 Division 3 (Rated)
String protocol, Plusle and Minun on Array, Fill the Bucket, Tyre problem, Decomposition Reaction, Bomb the base
March Long Two 2022, Division 3 (Rated)
Chef and Races, The Rating Dilemma
March Cook-Off 2022 Division 2
Janmansh at Fruit Market
CodeChef Starters 31 Division 3 (Rated)
Alternating String, Sign Moves, Cup Finals, The Unchanging OR, Group Assignment
March Lunchtime 2022 Division 3
Credit score, Sad Splits, Minimum number of coins, Buy 2 Get 1 Free, CRED Coins, Adjacency Love
CodeChef Starters 32 Division 3 (Rated)
Maximize the Minimum, Binary String Cost, Volume Control, Finding Shoes, Course Registration
April Cook-Off 2022 Division 3
Sticks and Rectangles, Funny Hand, Email Reminders
CodeChef Starters 33 Division 2 (Rated)
Distinct Dilemma, The Cheaper Cab, Monthly Budget, Non Adjacent Flips, Make Them Equal
April Long One 2022, Division 3 (Rated)
Dazzling GCD Pair, The Cooler Dilemma 2
CodeChef Starters 34 Division 3 (Rated)
Binary Mismatch, Average Array, Is the Score Consistent, Good Quality Bulbs, Positive Products
April Lunchtime 2022 Division 2(Rated)
Lunchtime, Mario and Transformation, Buckets Full of Candies, Mario and Bullet, Pair Pain
Starters 35 Division 2 (Rated)
Dark Light, Admins and Shopping, Water Requirement, Police and Thief, Jenga Night
Starters 36 Division 2 (Rated)
Presents for Cheffina
April Long Two 2022 Division 2 (Unrated)
Sasta Shark Tank, Six Friends, Best Coupon, Pseudo Sorted Array
May Cook-Off 2022 Division 2 (Rated)
Chef and Gym, Chef and Masks, Doubled Distances
Starters 37 Division 2 (Rated)
The Mango Truck, Roller Coaster, Beat the Average, Maximum OR Minimum
May Long One 2022 Division 3 (Rated)
Pushpa , Sugarcane Juice Business, The Attack of Queen, Football Cup, Miami GP
Starters 38 Division 3 (Rated)
Dominant Army, Circular Track
May Lunchtime 2022 Division 3 (Rated)
Bucket and Water Flow , Problems in your to-do list
May Long Two 2022 Division 3 (Rated)
Score High, Degree of Polynomial
Starters 40 Division 3 (Unrated)
Difficulty Rating Order, Infinity Staircase, Doubt Support Availability, Whatsapp Messages, Take discount or Not
Starters 41 Division 3 (Rated)
Equal Integers, Is this priority or parity!, Path Parity, Determine the Winner
June Cook-Off 2022 Division 3 (Rated)
Simple XOR, Rating Improvement, Playlist, Break the Stick, First and Last
Starters 42 Division 2 (Rated)
Minimum or Maximum, Divisible by 3
June Long One 2022 Division 2 (Unrated)
Chairs Requirement, Subscriptions, Divisible by i , Alternate Additions, Equal Strings
Starters 43 Division 2 (Rated)
The Optimal Pairs
June Lunchtime 2022 Division 3 (Rated)
Zero Ones Equal One Zeros, The Lost Array, Too many Floors, Equal by XORing
June Long Two 2022 Division 3 (Rated)
Count the ACs, Make all equal using Pairs, Complementary Strand in a DNA, Reversal Sorting, Fitness
Starters 45 Division 3 (Rated)
Even Equal Odd, Chef and his Apps, Best of Two, Retrieve the Array, Adjacent Sum Parity, Change Row and Column Both
July Long One 2022 Division 3 (Rated)
Bidding, Journey of the Knight, Game of Piles Version 1, Slow Solution, Pass the Exam, Chef and Candies
Starters 46 Division 3 (Rated)
MATH1 Enrolment, Group Assignment
Starters 47 Division 3 (Rated)
Chef On Date, Similar Heights, Construct N, End Sorted, Minimum Coins, Chess Time
July Lunchtime 2022 Division 3 (Rated)
The Last Levels, Easy Pronunciation, Yet Another Palindrome Making Problem, Maximum Median Matching, Largest Family
Starters 48 Division 2 (Rated)
Fill The Grid, Make Palindrome 2
July Long Two 2022 Division 3 (Rated)
Maximize Difference, Concat Sort, Chef in his Office, To Divide or Not To Divide, Insurance, Hungry Chef
Starters 49 Division 3 (Rated)
N Buttons 1 Bulb, Split The String, High Frequency, Is it hot or cold, Maximise the Tastiness, Monks, Valid Minimum
Starters 50 Division 2 (Rated)
Permutation GCD, Average Permutation
Starters 51 Division 2 (Rated)
Split N, Different Medians
August Long 2022 Division 2 (Unrated)
Sale Season, Two Trains, Maximum Submissions, Make A and B equal
August Lunchtime 2022 Division 2 (Rated)
Easy Permutation, Array Equality
Starters 53 Division 2 (Rated)
Black&White Ring Game, Make A and B equal
Starters 54 Division 2 (Unrated)
Equal Distinct, Number of Credits, Ticket Fine, Team of Two
Starters 55 Division 2 (Rated)
Balls and Boxes, Mean and Median
September Long 2022 Division 2 (Unrated)
Speed Limit Test, Bob at the Bank, Chef and Wire Frames, Interesting Subarray, Good Pairs
Starters 56 Division 2 (Rated)
K-Subarrays, Nearest Exit, Chefland Games, Maximize Colours
September Lunchtime 2022 Division 2 (Rated) (Based on EJOI)
Stick Break, Permutation Creation
Starters 58 Division 2 (Unrated)
Break the elements, Ranklist Pages, Reach the Target, Remove Bad elements
Starters 59 Division 2 (Rated)
Maximum Subarray , Suspense String, Confusing Concatenations, Audible Range, Speciality
October Long 2022 Division 2 (Unrated)
Podium Finish, Minimum Pizzas, Building Race
Starters 62 Division 2 (Rated)
Sorted Substrings, Make Multiple, Final Sum
Starters 63 Division 2 (Rated)
One-XOR Deletions, Packing Books, Make Length 1, Minimum Absolute Score, Tasty Decisions, Avoid Squares Please
Starters 64 Division 2 (Rated)
Mario and the Broken String, Luigi and Uniformity, Distinct Neighbours , Distinct Colors, Water Consumption
November Long 2022 Division 2 (Unrated)
Spliting Balls
Starters 66 Division 2 (Rated)
Good Binary Strings, Palindrome by Splitting, Just Like Mob!
Starters 69 Division 2 (Rated)
Akash and Dinner, Distinct Sequence
Starters 70 Division 2 (Rated)
Minimum distance between 1s, Prime Reversal, Frequency Array Retrieval
Starters 71 Division 2 (Rated)
Pet Store
December Long 2022 Division 2 (Unrated)
Divisible by A_i, Gcd of Subarrays, Good Investment or Not, Divisible by K, Reach fast, Maximise XOR
Starters 72 Division 2 (Rated)
N Triplets
Starters 73 Division 2 (Rated)
Consecutive Xor, Append for OR
Starters 74 Division 2 (Rated)
Lcm hates Gcd, Odd Even Binary String
Starters 75 Division 2 (Rated)
Prefix Ones, Three Powers of Two
January Long 2023 Division 2 (Unrated)
Asymmetric Swaps, Minimize the Maximum, Array Halves, Far from origin, Overspeeding Fine, Negative Product
February Cook-Off 2023 Division 2 (Rated)
Take Not Less, Permutation and Modulus
Starters 77 Division 2 (Rated)
Concat Palindrome, Three Numbers
Starters 80 Division 2 (Rated)
Permutation Subsequence, Prefix Permutation, Just One More Episode, Single-use Attack, Running Comparison, Equal Elements
Starters 84 Division 2 (Rated)
Max count of 1, Digit Operation, Max Binary, Chef And Adjacent Sums
Starters 86 Division 2 (Rated)
String Game , Largest Y, Maximise Score
Starters 87 Division 2 (Rated)
Inversions of subsequences, Existence, AB plus C
Starters 83 Division 2 (Rated)
Construct String
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 96 Division 2 (Rated)
Swap the numbers, Mex Array, Remove Multiples
Starters 97 Division 2 (Rated)
Schrodinger Smiley, Triplets Min
Starters 98 Division 2 (Rated)
Airport Management
Starters 101 Division 2 (Rated)
Minimize Xor Difference, Warrior Chef, Lockpicking Chef
Starters 102 Division 2 (Rated)
Parity Permutation, Bit Play, Array Sum
Starters 103 Division 2 (Rated)
Chandelier, Unique xor, Divisible By 8, Dice Number
Starters 104 Division 2 (Rated)
Lexicographically Largest , Maximise Sum, GCD and LCM
Starters 105 Division 2 (Rated)
Take it Easy, Spooky Sequences, Dull Operation, Wishcraft
Starters 106 Division 2 (Rated)
Playing with OR, Save People, Guess the winner!, Count Possibilities, Reach Anywhere
Starters 109 Division 2 (Rated)
Minimum XOR, Best of N Sets, Alter Ego, Chroma Swap
August Long 2023 Division 2 (Unrated)
All New CodeChef, Maximum Deliciousness, I Can Use Both Hands!
Starters 112 Division 2 (Rated)
Cursed Indices, 3 Logicians Walk into a Bar, Yet Another Array Game, Max Nutrition
Starters 113 Division 2 (Rated)
Count Distinct Arrays, Minimise Maximum Subarray Sum, Make All Equal, Score Sum, Maximum Score , Sum Neq
Starters 114 Division 2 (Rated)
Game on Array, 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, Spread Spree, Not Prime Permutation, Spell Shortening
Starters 119 Division 1 (Rated till 6-Stars)
K Odd Sum
Starters 120 Division 2 (Rated)
Find Permutation , Construct Permutation, Count Subarrays, Count Arrays, Sub or Swp
Starters 121 Division 1 (Rated till 6-Stars)
Frequal, Split And Maximize, Caesar Cipher Lite
Starters 122 Division 1 (Rated till 6-Stars)
Arya In Grid, Transformation Cost, Matrix Modulo
Starters 123 Division 1 (Rated till 6-Stars)
Minimum And Maximum I, Yet Another Alice Bob Game, Minimum And Maximum II
Starters 125 Division 1 (Rated till 6-Stars)
Bucket Game, Operating on A, Binary Minimal
Starters 142 Division 1 (Rated till 5-Stars)
Array Removal, Number Hunt
Starters 156 (Rated till 6 stars)
Balance Difficulties, Partition Score
Starters 157 (Rated till 5 stars)
Small, Smaller, Smallest, Unmedian
Starters 158 (Rated till 6 stars)
Buying Game, Multiply 2 to Minimize
Starters 163 (Rated till 5 stars)
Nice Array, Sort Them, Lexio Swap
Starters 167 (Rated)
Lottery Tickets, Delete Not Equal, Grid Construction (Even), Grid Construction (Odd)
Starters 170 (Rated)
Crazy Jumping Frogs, qUiRkY qUesTs (Easy), Monster Monster
Starters 172 (Rated)
Transform String, AndOr, Streak Star
Starters 173 (Rated upto < 2700)
Cool Subsequences, Time Penalty, Overwrite
Starters 175 (Rated till 5 stars)
Alternate It!
Starters 176 (Rated)
Same And, Clothing Store, Costly Summit, Mex-P Tree (Easy)
Starters 178 (Rated)
Big Difference, Minimum Colours (Easy), Placing 01 And 10
Starters 179 (Rated)
Lost in the Fest!!, Station Allocation, Unlock The Safe, Can you reach
Starters 180 (Rated)
Shall we play a game, Array Operations, Huh, Easy
Starters 183 (Rated)
Complete MST, S to T, Larger Smaller, Max Triangle
Starters 184 (Rated)
One Down, Front or Back, Double or Append
Starters 185 (Rated)
GCD Summation, Creature Hunter
Starters 186 (Rated)
Distinct Arrays , Jump A or B, Approval Ratings
Starters 187 (Rated)
OR What, Incremental Game, Distinct Representations
Starters 188 (Rated)
K Boxes, Yet Another Monsters Problem, Subset Sum 3
Starters 189 (Rated)
Nutrition Cost, Create Binary String, Avoid Primes, Sortable Subarrays (Easy)
Starters 190 (Rated)
Subsequence Sort, Light All, Min-Max Deletion, Parry It! (Easy)
Starters 194 (Rated)
Mark All, Munchys Modulo, Chef Bakes Cake 3, Good Arrays (Cyclic)
Starters 196 (Rated)
Beauty in Everything, Sugar Limit, Append Average
Starters 197 (Rated)
Good Ranking (Pair), All Odd Prefix Sums, Split
Starters 198 (Rated)
Currency Exchange
Starters 200 (Rated)
Restrict Palindromes, Good Subsequence
Starters 201 (Rated)
Compare and Connect, Huge Grid (Easy Version), Mixing Liquids, Mark Points
Starters 203 (Rated)
MEX on Ranges, Maximum MST, Cab Rides
Starters 204 (Rated)
Minimize Sum, Drawing Chances
Starters 205 (Rated)
Unreachable, Prefix-Suffix Reconstruction, Mirror Jump, Triplet Maximization
Starters 206 (Rated)
Cyclic Shift Minimization, Gladiator Fighting, Prime Sum
Starters 208 (Rated)
GCND, Sabotage, Alternate Jumps
Starters 209 (Rated)
Binary Love, Tactical Conversion, Small GCD Sort, High Score (Easy Version)
Starters 210 (Rated)
Delete Sorted Subsequence, Chocolate Eating, Make All, First Element Counting
Starters 211 (Rated)
Subarray Maximums, Buying Chairs, No Doubling, Wolf Down
Starters 212 (Rated)
Exit Door, Interesting Binary (Easy Version), Distinct Fun, Binary Flip
Starters 213 (Rated)
Chef and String, Separation, No 4 Please
Starters 214 (Unrated)
Crazy Permutations, Zero Permutation Score, Delete For Fun
Starters 215 (Rated)
Product Sum Arrays (Easy), Differing Values, Special Missions
Starters 218 (Rated)
Collatz Conjecture (Easy), Deleting Array Again, Counting Optimal Arrays, Stop The Count
Starters 223 (Unrated)
Add to First, Deleting Substrings, School Trip, Less than Max
Starters 224 (Rated)
Advitiya Coin, Accommodation, AabBcCDd
Starters 226 (Rated)
Minimum Distinct , Sub A Add B