Bit Manipulation (25 completed) Back to top # Title Level Cats Solution Languages Date Complete 78 Subsets Medium N150 solution py Jun 02, 2024 90 Subsets II Medium N150 solution py Jul 03, 2024 136 Single Number Easy N150 solution py Jul 03, 2024 191 Number of 1 Bits Easy B75, N150 solution py Jul 03, 2024 260 Single Number III Medium Daily solution py Jun 08, 2024 287 Find the Duplicate Number Medium N150 solution c Jun 26, 2024 645 Set Mismatch Easy solution java, py Jun 01, 2024 784 Letter Case Permutation Medium solution py Jun 15, 2024 861 Score After Flipping Matrix Medium solution c, py Jun 10, 2024 995 Minimum Number of K Consecutive Bit Flips Hard Daily solution c, py Jun 24, 2024 1018 Binary Prefix Divisible By 5 Easy solution py Jul 04, 2024 1239 Maximum Length of a Concatenated String with Unique Characters Medium solution py Jun 29, 2024 1255 Maximum Score Words Formed by Letters Hard solution py Jun 15, 2024 1284 Minimum Number of Flips to Convert Binary Matrix to Zero Matrix Hard solution py Jun 09, 2024 1404 Number of Steps to Reduce a Number in Binary Representation to One Medium Daily solution py Jun 08, 2024 1442 Count Triplets That Can Form Two Arrays of Equal XOR Medium Daily solution py Jun 08, 2024 1457 Pseudo-Palindromic Paths in a Binary Tree Medium solution py Jul 05, 2024 1525 Number of Good Ways to Split a String Medium solution py Jun 01, 2024 1684 Count the Number of Consistent Strings Easy solution c, py Jun 06, 2024 2206 Divide Array Into Equal Pairs Easy solution c, py Jun 08, 2024 2317 Maximum XOR After Operations Medium solution c, cpp, java, py Jun 24, 2024 2433 Find The Original Array of Prefix Xor Medium solution py May 31, 2024 2997 Minimum Number of Operations to Make Array XOR Equal to K Medium solution java, py Jun 12, 2024 3064 Guess the Number Using Bitwise Questions I Medium solution c, py Jun 06, 2024 3191 Minimum Operations to Make Binary Array Elements Equal to One I Medium solution java Jun 22, 2024