Create 205. Isomorphic Strings

Signed-off-by: Tahsin Tunan <[email protected]>

Author: tahsintunan

go/0205-isomorphic-strings.go

@@ -0,0 +1,18 @@
+func isIsomorphic(s string, t string) bool {
+	if len(s) != len(t) {
+		return false
+	}
+	var charMapS, charMapT [128]byte
+
+	for i := range s {
+		charS, charT := s[i], t[i]
+		if (charMapS[charS] != 0 && charMapS[charS] != charT) ||
+			(charMapT[charT] != 0 && charMapT[charT] != charS) {
+			return false
+		} else {
+			charMapS[charS], charMapT[charT] = charT, charS
+		}
+	}
+
+	return true
+}