2021-09-15:最长公共前缀.编写一个函数来查找字符串数组中的最长前缀,如果不存在前缀,返回空字符串 ““.力扣1

package mainimport (    "fmt"    "math")func main() {    strs := []string{"abc", "abd"}    ret := longestCommonPrefix(strs)    fmt.Println(ret)}func longestCommonPrefix(strs []string) string {    if len(strs) == 0 {        return ""    }    chs := []byte(strs[0])    min := math.MaxInt64    for _, str := range strs {        tmp := []byte(str)        index := 0        for index < len(tmp) && index < len(chs) {            if chs[index] != tmp[index] {                break            }            index++        }        min = getMin(index, min)        if min == 0 {            return ""        }    }    return strs[0][0:min]}func getMin(a int, b int) int {    if a < b {        return a    } else {        return b    }}