Prefix Sum (17 completed) Back to top # Title Level Cats Solution Languages Date Complete 238 Product of Array Except Self Medium B75, N150 solution py Jun 13, 2024 523 Continuous Subarray Sum Medium Daily solution py Jun 08, 2024 713 Subarray Product Less Than K Medium solution py Jul 01, 2024 848 Shifting Letters Medium solution py Jun 29, 2024 930 Binary Subarrays With Sum Medium solution py Jun 22, 2024 974 Subarray Sums Divisible by K Medium Daily solution java, py Jun 09, 2024 995 Minimum Number of K Consecutive Bit Flips Hard Daily solution c, py Jun 24, 2024 1140 Stone Game II Medium Daily solution py Aug 20, 2024 1248 Count Number of Nice Subarrays Medium Daily solution py Jun 22, 2024 1422 Maximum Score After Splitting a String Easy Daily solution c, py Jan 01, 2025 1442 Count Triplets That Can Form Two Arrays of Equal XOR Medium solution py Jun 08, 2024 2083 Substrings That Begin and End With the Same Letter Medium Weekly Premium solution c, py Jun 10, 2024 2389 Longest Subsequence With Limited Sum Easy solution py Jun 01, 2024 2955 Number of Same-End Substrings Medium Weekly Premium solution py Nov 04, 2024 3179 Weekly Contest 401 - q2 - Find the N-th Value After K Seconds Medium Contest solution py Jul 07, 2024 3191 Minimum Operations to Make Binary Array Elements Equal to One I Medium solution java Jun 22, 2024 3212 Weekly Contest 405 - q3 - Count Submatrices With Equal Frequency of X and Y Medium Contest solution py Jul 07, 2024