Kth Smallest Number in Multiplication Table
Given three integers m, n, and k. Consider a grid of m * n, where mat[i][j] = i*j (1 based indexing). The task is to return the k'th smallest element in the m*n multiplication table. Examples: Input: m = 3, n = 3, k = 5Output: 3Explanation: The 5th smallest element is 3. Input: m = 2, n = 3, k = 6Ou