Example 1: Input:num = 4325Output:59Explanation:We can split 4325 so thatnum1is 24 andnum2is 35, giving a sum of 59. We can prove that 59 is indeed the minimal possible sum. Example 2: Input:num = 687Output:75Explanation:We can split 687 so thatnum1is 68 andnum2is 7, which w...