package longestprefix

import (
	"strings"
)

func LongestCommonPrefix(strs []string) string {
	result := ""

	if len(strs) == 0 {
		return result
	}

	first := strs[0]
	rest := strs[1:]

	for i := range first {
		prefix := first[:i+1]
		for _, s := range rest {
			if !strings.HasPrefix(s, prefix) {
				return result
			}
		}
		result = prefix
	}

	return first
}