Learning Paths (0)
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Practice Paths (0)
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Contests (20)
Starters 51 Division 4 (Rated)
Chef & Cook Game, Prefix Suffix And Or, Split N, Copy and Paste, Final Population, Different Medians, TV Discount, Dominant Element
August Long 2022 Division 2 (Unrated)
Angled Flip, XOR with smallest element, Hello Equation, Two Trains, Crazy Subsequences
August Lunchtime 2022 Division 2 (Rated)
Easy Permutation, Array Equality, Sort the Array, Subtract 12 Operation
Starters 53 Division 2 (Rated)
Black&White Ring Game, Make A and B equal, Queen Blocks
Starters 54 Division 1 (Unrated)
Equal Distinct, Subarray Game, K Flip
Starters 55 Division 1 (Unrated)
Disgust Minimization, Non Zero Xor, Ball Sequence, Balls and Boxes, OR Tuples
September Long 2022 Division 1 (Unrated)
Alone Alice!
September Lunchtime 2022 Division 1 (Rated) (Based on EJOI)
Increasing Addition, Adjacent Pairs
Starters 58 Division 1 (Unrated)
Piles Parity, Break the elements, Equivalent Numbers, Ranklist Pages, Good Arrays, Reach the Target, Add to Subsequence, Remove Bad elements
Starters 59 Division 1 (Unrated)
Chef and Happy String , K - Beautiful Permutation, Collinear Points, Maximum Subarray , Seven-Segment Factoring, Suspense String, Confusing Concatenations, Audible Range, Speciality, Alternative Sufferings
Starters 60 Division 1 (Unrated)
Distinct Numbers, Expert Setter, Maximum Sum, Red Green Grids, Yet Another Palindrome Problem, Tax in Chefland, Tri XOR, Paper Cutting, Palindrome Flipping, Card Removal
Starters 61 Division 1 (Unrated)
Palindrome Partition, Weird Subarrays, Red Blue Flowers, Row Bombing, Subarray Removal
Starters 62 Division 1 (Rated for 5 & 6 stars)
Joint XOR, Disjoint XOR, Sorted Substrings, Make Multiple
Starters 63 Division 1 (Rated for 5 & 6 stars)
Maximize 1s, Count Partitions , GCD Sort, Make Length 1, Minimum Absolute Score, Greedy Grid Moves
Starters 72 Division 1 (Rated till 5-Stars)
N Triplets, Good Sequence, No sequence
January Long 2023 Division 1 (Unrated)
A Short Counting Problem, Asymmetric Swaps, Swap Shift, Maximum of GCDs, Symmetric Swaps, Minimize the Maximum, Array Halves, Far from origin, Overspeeding Fine, Negative Product
Starters 81 Division 1 (Unrated)
Beautiful Strings, Horde Chess, Unimodal Subsets, Good XOR, Distinct Matrix, Divide Pages, Maximum Capacity, Sunny Day, Arrange the array, Binary Ternary
Starters 82 Division 1 (Rated till 6 stars)
Make Them Alike, Find eX, Good Permutations, Difference Matrix
Starters 84 Division 1 (Rated till 6 Stars)
SUM OR, Max count of 1, Digit Operation, Chef And Adjacent Sums
Starters 85 Division 1 (Rated till 6 stars)
Crazy Bishops on Chessboard, Efficient PAN Linking, TripTastic
Starters 86 Division 1 (Rated for All)
Minimum Operation, String Game , Largest Y
Starters 87 Division 1 (Rated till 6 Stars)
Inversions of subsequences, AB plus C
Starters 83 Division 1 (Rated)
Construct String, Order by XOR, Saber Slays, Rotate to Minimum, Restoration
Starters 89 Division 1 (Rated till 5 Stars)
Positive or Negative Subarrays, Subarray Removal, Two Averages, Restore Communication, Evil Infection
Starters 90 Division 1 (Rated till 6 Stars)
Crushed Apples and a Balance Scale, Sum of Goodness, Printing Binary Array, Anti Palindrome
Starters 91 Division 1 (Rated till 6 Stars)
Odd GCD Permutation, More Inversions, Chef Odd, Maximum Sum Permutation
Starters 92 Division 1 (Rated till 6 Stars)
Rectangular Tiling, Dividing into Groups, Beautification of array, Distance Coloring
Starters 93 Division 1 (Rated for All)
Thank U, Next, NASA, Greedy, Bloodline, Motive
Starters 94 Division 1 (Rated till 5 Stars)
Possible or Not, Search for 404, Special Operation, The Vowel Matrix, Rank Queries
Starters 98 Division 1 (Rated till 6 Stars)
3-Blast Palindrome, Build Towers, Ball Distribution, Sub-Array With Maximum Sum
Starters 99 Division 1 (Rated till 6 Stars)
Segment Three, Maximize Ones, Two Piles, Exclusion-Inclusion
Starters 105 Division 1 (Rated till 6 Stars)
Ghoul-icious Goodies, Reaper Reaps, Spooky Sequences, Dull Operation, Wishcraft
Starters 107 Division 1 (Rated till 6 Stars)
Maximal Expression, Interesting Knapsack, Adjacent Flips, Odd Matrix, OR Permutation
Starters 146 Division 1 (Rated till 5 stars)
Back Front, Bouncing Ball, Permutation Construction
Total Problems Solved: 200
