leetcode

0 class Solution {

1 public:

2 string complexNumberMultiply(const string num1, const string num2) {

3 int a, b, c, d;

4 char t;

5 stringstream(num1) >> a >> t >> b;

6 stringstream(num2) >> c >> t >> d;

7 return to_string(a * c - b * d) + "+" + to_string(a * d + b * c) + "i";

8 }

9 };