Multiply Strings
easy
1. Given two non-negative integers num1 and num2 represented as strings. 2. Return the product of num1 and num2, also represented as a string. 3. Note: You must not use any built-in BigInteger library or convert the inputs to integer directly.
Constraints
1. 1 <= num1.length, num2.length <= 200 2. num1 and num2 consist of digits only. 3. Both num1 and num2 do not contain any leading zero, except the number 0 itself.
Format
Input
Input: num1 = "123", num2 = "456"
Output
Output: "56088"
Example
Sample Input
123
456
Sample Output
56088