3000 - 3099
Solutions categorised by Problem IDs
3005 - Count Elements With Maximum FrequencyCount the elements belonging to values tied for the highest frequency by building and comparing occurrence counts.3033 - Modify the MatrixReplace missing matrix entries with the largest value in their own column by examining column maxima.3034 - Number of Subarrays That Match a Pattern ICount subarrays matching a comparison pattern by testing the direction of change between neighboring values.3035 - Maximum Palindromes After OperationsMaximize how many words can become palindromes after swaps by counting available character pairs and prioritizing shorter words.3064 - Guess the Number Using Bitwise Questions IRecover a hidden number by querying shared set bits with masks that isolate individual binary positions.3069 - Distribute Elements Into Two Arrays IDistribute values between two arrays by comparing their most recently appended elements at each step.3090 - Maximum Length Substring With Two OccurrencesFind the longest substring with at most two copies of each character by tracking frequencies in a sliding window.