
Arafath Qureshi
- 4★arafathq9
India
- Student
- National Institute of Technology, Jamshedpur Jharkhand, India
- No Active Plan. View Details
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Ratings System Update
(2024-11-13 22:30:02)Ratings System Update
(2022-12-20 00:00:00)Learning Paths (0)
Practice Paths (4)
Number theory
Data Structures Interview Questions
Jump from 2* to 3*
Rise from 3* to 4*
Contests (67)
July Lunchtime 2022 Division 4 (Rated)
Interior Design, The Last Levels, True and False Paper
Starters 48 Division 4 (Rated)
Buy Lamps, Fill The Grid, Passes for Fair, Fill Candies
July Long Two 2022 Division 4 (Rated)
Chef in his Office, Insurance
Starters 49 Division 4 (Rated)
N Buttons 1 Bulb, Is it hot or cold, Maximise the Tastiness
Starters 50 Division 4 (Rated)
Permutation GCD, Discount, Mileage matters, Nearest Court, Average Permutation
Starters 51 Division 4 (Rated)
Split N, Final Population, TV Discount, Dominant Element
August Long 2022 Division 4 (Rated)
Sale Season, Hello Equation, Two Trains, Maximum Submissions, Make A and B equal
Starters 52 Division 4 (Rated)
AI Analysing Code, WA Test Cases, Air Conditioner Temperature
Starters 53 Division 4 (Rated)
Car Trip, Greater Average, Odd Pairs, Make A and B equal, Weights
Starters 54 Division 4 (Rated)
Equal Distinct, Number of Credits, Ticket Fine
Starters 55 Division 4 (Rated)
Balls and Boxes, Fever, Broken Phone
September Long 2022 Division 4 (Rated)
Speed Limit Test, Bob at the Bank, Chef and Wire Frames, Pokemon Battles, Interesting Subarray, Good Pairs
Starters 56 Division 4 (Rated)
K-Subarrays, Nearest Exit, Chefland Games, Maximize Colours, Far Away
September Lunchtime 2022 Division 3 (Rated) (Based on EJOI)
Flip the cards, Equalize AB, Stick Break, Permutation Creation
Starters 57 Division 4 (Rated)
Alice and Marks, Integers that sum to the same value, Maximum Expression, Even Splits, Non-Negative Product, Two Different Palindromes
Starters 58 Division 3 (Rated)
Break the elements, Add to Subsequence, Remove Bad elements
Starters 59 Division 3 (Rated)
Chef and Happy String , Maximum Subarray , Suspense String, Confusing Concatenations
October Long 2022 Division 3 (Rated)
Building Race, Single Operation Part 1, Single Operation Part 2
Starters 60 Division 3 (Rated)
Distinct Numbers, Yet Another Palindrome Problem, Paper Cutting, Palindrome Flipping, Card Removal
Starters 61 Division 3 (Rated)
Minimise LCS, Different Consecutive Characters , Weird Subarrays, Subarray Removal, Odd Sum Pair
Starters 62 Division 2 (Rated)
Sorted Substrings, Make Multiple, Final Sum, Pythagorean Pair
Starters 63 Division 2 (Rated)
One-XOR Deletions, Make Length 1
Starters 66 Division 2 (Rated)
Palindrome by Splitting, Just Like Mob!
Starters 67 Division 2 (Rated)
Maximum Angriness, Expensive Steps , Counting Problem
Starters 68 Division 2 (Rated)
Boring String, XOR Product, Expense List, Make Money
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, Instagram, Maximizing LCS
December Long 2022 Division 2 (Unrated)
Divisible by A_i, Gcd of Subarrays, Maximise XOR
Starters 72 Division 2 (Rated)
N Triplets
Starters 73 Division 3 (Rated)
Consecutive Xor, Lucky Numbers, Append for OR
Starters 74 Division 2 (Rated)
Lcm hates Gcd, Odd Even Binary String
February Cook-Off 2023 Division 2 (Rated)
Take Not Less, Alice Potter And Dumbledore Army, Permutation and Modulus
Starters 78 Division 2 (Rated)
Bitwise Equation, Valid Expression
Starters 79 Division 2 (Rated)
One Stone or Two Stones, Add smallest prime factor, Distinct Opposite Sums
Starters 80 Division 2 (Rated)
Permutation Subsequence, Prefix Permutation, Equal Elements
Starters 82 Division 2 (Rated)
Make A-B Same, Difference Matrix, MIN To MAX
Starters 84 Division 2 (Rated)
Max count of 1, Digit Operation, Max Binary, Chef And Adjacent Sums
Starters 85 Division 2 (Rated)
Crazy Bishops on Chessboard, Efficient PAN Linking, Inside The Stadium
Starters 86 Division 2 (Rated)
String Game , Maximise Score
Starters 83 Division 2 (Rated)
Construct String, Order by XOR
Starters 88 Division 2 (Rated)
Maximum And Or, Chef and Asteroids, Unstable Subarray
Starters 89 Division 2 (Rated)
Plus 2 or Minus 1, Positive or Negative Subarrays
Starters 91 Division 2 (Rated)
Odd GCD Permutation, Chef Odd, Blobby Volley Scores, Maximum Sum Permutation
Starters 92 Division 2 (Rated)
Rectangular Tiling, Distance Coloring, Dotify Playlist
Starters 93 Division 2 (Rated)
Break Free, NASA, Problem
Starters 94 Division 2 (Rated)
CodeChef Streak, Possible or Not, The Vowel Matrix
Starters 95 Division 2 (Rated)
Boxes, Donation Drive, Donation Rewards, Transfusion Chain, EVacuate to Moon
Starters 98 Division 2 (Rated)
Messi vs Ronaldo, 3-Blast Palindrome, FIND A and B, Airport Management, Ball Distribution
Starters 99 Division 2 (Rated)
Card Swipe, Exclusion-Inclusion
Starters 100 Division 2 (Rated)
Stamps 100
Starters 101 Division 2 (Rated)
Minimize Xor Difference, Warrior Chef, Work Smarter, Not Harder, Lockpicking Chef, Off By One
Starters 102 Division 2 (Rated)
Parity Permutation, Bit Play, Array Sum
Starters 105 Division 2 (Rated)
Take it Easy, Dull Operation
Starters 106 Division 2 (Rated)
Playing with OR, Save People, Guess the winner!
August Long 2023 Division 2 (Unrated)
All New CodeChef, Maximum Deliciousness, I Can Use Both Hands!
September Short 2023 Division 2 (Unrated)
Lucky Seven, Slow Start, Mixing Extraordinaire
Starters 112 Division 2 (Rated)
Cursed Indices, 3 Logicians Walk into a Bar, Max Nutrition
Starters 113 Division 2 (Rated)
Maximum Score , Sum Neq
Starters 114 Division 2 (Rated)
Rock-Paper-Scissors, Christmas Candy
Starters 117 Division 2 (Rated)
Equality Etiquette, Spread Spree, Stingy Arrays, Not Prime Permutation, Spell Shortening
Starters 118 Division 2 (Rated)
Subset GCD, Join States, Is it uniquely decodable, 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 , Construct Permutation, Count Subarrays, Count Arrays, Sub or Swp
Starters 121 Division 2 (Rated)
Frequal, Caesar Cipher Lite, Leg Space, Anti Adjacent Swaps
Starters 131 Division 2 (Rated)
K-Closeness, Dice Deception, Encrypt Value, T-Perm
Starters 139 Division 2 (Rated)
Sum of N, Maximum Distance Permutations, Destroying Bridges Part 2
Starters 159 (Rated)
Crafty Coloring (Easy), Super Hero, Random Nim, Chess Colouring, Elections
Starters 160 (Rated)
Palindrome Love, Buying Order (Easy), Equate S and T