1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
| // @Title: 复数乘法 (Complex Number Multiplication)
// @Author: 15816537946@163.com
// @Date: 2022-02-25 17:56:28
// @Runtime: 0 ms
// @Memory: 1.8 MB
import "strings"
func complexNumberMultiply(num1 string, num2 string) string {
a := strings.Split(num1, "+")
b := strings.Split(num2, "+")
a1,_ := strconv.Atoi(a[0])
a2, _ := strconv.Atoi(strings.ReplaceAll(a[1],"i",""))
b1,_ := strconv.Atoi(b[0])
b2, _ := strconv.Atoi(strings.ReplaceAll(b[1],"i",""))
// a1*b1 + a1*b2 + a2 *b1 + a2*b2
// a1*b1 结果为正数
// a2*b2 结果为负数
// a1*b2 + a2*b1 结果为虚数
ret1 := a1 *b1 -(a2*b2)
ret2 := a1*b2 +a2*b1
return fmt.Sprintf("%d+%di", ret1,ret2)
}
|