(s string)
| 25 | } |
| 26 | |
| 27 | func encodeString(s string) string { |
| 28 | chars := make([]int, 26) |
| 29 | for i := 0; i < len(s); i++ { |
| 30 | chars[s[i]-'a']++ |
| 31 | } |
| 32 | |
| 33 | encoded := &bytes.Buffer{} |
| 34 | for i := 0; i < len(chars); i++ { |
| 35 | encoded.WriteString(fmt.Sprintf("%d_%d", i, chars[i])) |
| 36 | } |
| 37 | |
| 38 | return encoded.String() |
| 39 | } |
| 40 | |
| 41 | // Second solution based on sorting the strings |
| 42 | func groupAnagrams1(strs []string) [][]string { |