Published onMay 30, 2022[LeetCode 287] Find the Duplicate NumberArrayGiven an array of integers `nums` containing `n + 1` integers where each integer is in the range `[1, n]` inclusive.
Published onMay 28, 2022[LeetCode 268] Missing NumberArraythe only number in the range that is missing from the array.
Published onMay 17, 2022[LeetCode 189] Rotate ArrayArrayGiven an array, rotate the array to the right by `k` steps, where `k` is non-negative.
Published onMay 16, 2022[LeetCode 171] Excel Sheet Column NumberArrayExcel sheet, return its corresponding column number.