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Contests (52)
Starters 45 Division 4 (Rated)
Even Equal Odd, Xor and Multiply, KBG and GN-Theory, 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)
Journey of the Knight, Game of Piles Version 1, Find A, B, C, Slow Solution, Pass the Exam, Chef and Candies
Starters 46 Division 4 (Rated)
Prime Xor, Array sorting, Sort the String, Counting Words, MATH1 Enrolment, Group Assignment, Army Training
Starters 47 Division 3 (Rated)
Copy and Push Back, Similar Heights, Construct N, The XOR-OR Dilemma, End Sorted, Minimum Coins
Starters 48 Division 2 (Rated)
Fill The Grid, Make Palindrome 2, Positive array
July Long Two 2022 Division 2 (Unrated)
Maximize Difference, Concat Sort, To Divide or Not To Divide, Sum of Product 1, Sum of Product 2
Starters 49 Division 2 (Rated)
Split The String, High Frequency, Monks, Valid Minimum
August Lunchtime 2022 Division 2 (Rated)
Easy Permutation, Array Equality
Starters 55 Division 2 (Rated)
Balls and Boxes, Mean and Median, OR Tuples
September Long 2022 Division 2 (Unrated)
Interesting Subarray, Good Pairs
Starters 56 Division 2 (Rated)
K-Subarrays, Maximize Colours
Starters 58 Division 2 (Unrated)
Break the elements, Equivalent Numbers, Add to Subsequence
Starters 59 Division 2 (Rated)
Maximum Subarray , Suspense String
Starters 60 Division 2 (Rated)
Distinct Numbers, Red Green Grids, Yet Another Palindrome Problem, Palindrome Flipping
Starters 61 Division 2 (Rated)
Minimise LCS
Starters 62 Division 2 (Rated)
Sorted Substrings, Make Multiple, Final Sum, Pythagorean Pair
Starters 63 Division 2 (Rated)
Maximize 1s, One-XOR Deletions, Make Length 1, Minimum Absolute Score, Greedy Grid Moves
Starters 64 Division 2 (Rated)
Luigi and Uniformity, Range Assign, Number of Distinct Elements Minimize, Prime Factor Division, Distinct Neighbours
Starters 66 Division 1 (Rated till 5-stars)
Good Binary Strings, Palindrome by Splitting
Starters 68 Division 2 (Rated)
Guess All, Boring String, XOR Product, Expense List, Interesting Array, Make Money
Starters 69 Division 1 (Rated till 6-stars)
Passing Through!, Distinct Sequence, Longest Subarray
Starters 70 Division 1 (Rated till 6-stars)
Prime Reversal, Frequency Array Retrieval
December Long 2022 Division 1 (Unrated)
Sum of Cube , Divisible by A_i
Starters 72 Division 1 (Rated till 5-Stars)
N Triplets, Good Sequence, No sequence
Starters 73 Division 1 (Rated till 6-Stars)
Find an integer, Consecutive Xor
Starters 75 Division 1 (Rated till 6-Stars)
Equal Hamming Distance, Prefix Ones
Starters 78 Division 1 (Rated till 6 stars)
Bitwise Equation
Starters 79 Division 2 (Rated)
Love Squares Hate Cubes, Mountain, One Stone or Two Stones, Add smallest prime factor, Distinct Opposite Sums
Starters 80 Division 1 (Rated till 5 stars)
Permutation Subsequence, Prefix Permutation
Starters 83 Division 1 (Rated)
Construct String, Order by XOR, Rotate to Minimum
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)
XOR & Sum, Odd GCD Permutation, Chef Odd, Maximum Sum Permutation
Starters 93 Division 1 (Rated for All)
NASA
Starters 95 Division 1 (Rated till 6 Stars)
Boxes, Transfusion Chain, Break This Array
Starters 96 Division 1 (Rated till 5 Stars)
Swap the numbers, Mex Array, Absolute Differences
Starters 97 Division 1 (Rated till 6 Stars)
Triplets Min
Starters 102 Division 1 (Rated till 6 Stars)
Parity Permutation, Chef Segment, Bit Play
Starters 105 Division 1 (Rated till 6 Stars)
Dull Operation
Starters 106 Division 2 (Rated)
Playing with OR, Save People, Guess the winner!, Count Possibilities
Starters 109 Division 1 (Rated till 5 Stars)
Minimum XOR, Alter Ego, Chroma Swap
Starters 113 Division 1 (Rated)
Count Distinct Arrays, Minimise Maximum Subarray Sum, Make All Equal, Score Sum, Maximum Score
Starters 114 Division 1 (Rated till 6 Stars)
Yet another Matrix problem, Chef and Tag, Rock-Paper-Scissors
Starters 115 Division 1 (Rated)
Greedy LIS Algorithm, Binary Grid Forces, Make All Zero
Starters 119 Division 1 (Rated till 6-Stars)
K Odd Sum, Unalike Gcd & Lcm
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, Elf on the Shelf
Starters 124 Division 1 (Rated till 5-Stars)
Swap and Unite, Make It One, How many arrays
Starters 125 Division 1 (Rated till 6-Stars)
Bucket Game, Binary Minimal
Starters 126 Division 1 (Rated till 6 Stars)
Tree Distance Set, Freedom, LCD, Triangular Swaps
Starters127 Division 1
ABC Conjecture, Anti-Triangle
Starters 129 Division 1 (Rated till 5-Stars)
Palindromic Substrings, ConstructXor
Starters 131 Division 1 (Rated till 5 Stars)
K-Closeness, Digit Space, Encrypt Value, T-Perm
Starters 136 Division 1 ( Rated till 6-Stars )
Lexicographically Maximal Prefix AND, Sum of Max K Subarray, Sum of Modes
Starters 153 (Rated till 5 stars)
Xometry (Easy Version)
Starters 154 (Rated till 6 stars)
Tree Cut Xor, Count Winning Subarrays, GCD and XOR, Triangle Count (Easy)
Starters 156 (Rated till 6 stars)
Keep Magnets Separated, Balance Difficulties, Partition Score
Starters 158 (Rated till 6 stars)
Make a Tree, Buying Game, Multiply 2 to Minimize
Total Problems Solved: 206
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