update

2 files changed, 56 insertions, 0 deletions

diff --git a/242/go.mod b/242/go.mod
new file mode 100644
index 0000000..99ad2d5
--- /dev/null
+++ b/242/go.mod
@@ -0,0 +1,3 @@
+module 242
+
+go 1.17
diff --git a/242/main.go b/242/main.go
new file mode 100644
index 0000000..49b6faf
--- /dev/null
+++ b/242/main.go
@@ -0,0 +1,53 @@
+package main
+
+func isAnagram_v_1(s string, t string) bool {
+	s_map := make(map[rune]int, len(s))
+	t_map := make(map[rune]int, len(t))
+	for _, character := range s {
+		s_map[character]++
+	}
+	for _, character := range t {
+		t_map[character]++
+	}
+
+	if len(s_map) != len(t_map) {
+		return false
+	}
+	for k, v := range s_map {
+		value, ok := t_map[k]
+		if !ok {
+			return false
+		}
+		if value != v {
+			return false
+		}
+	}
+
+	return true
+}
+
+func isAnagram(s string, t string) bool {
+	s_map := make([]int, 26)
+	t_map := make([]int, 26)
+	for _, character := range s {
+		s_map[int(character-'a')]++
+	}
+	for _, character := range t {
+		t_map[int(character-'a')]++
+	}
+
+	if len(s_map) != len(t_map) {
+		return false
+	}
+	for i := 0; i < 26; i++ {
+		if s_map[i] != t_map[i] {
+			return false
+		}
+	}
+
+	return true
+}
+
+func main() {
+	isAnagram("anagram", "nagaram")
+}