题目描述:Given two numbers represented as strings, return multiplication of the numbers as a string.
Note: The numbers can be arbitrarily large and are non-negative.
思路分析:这个题就是小学的两个数相乘的题目,需要我们用代码实现出来,其中就需要我们考虑一些特殊情况:例如进位问题
下面我们来举个例子:289*758
代码实现如下:
class Solution {
public:
string multiply(string num1, string num2)
{
int carry=0;
string result(num1.size()+num2.size(),'0');
for(int i=num1.