solved: 205. Isomorphic Strings

Signed-off-by: rajput-hemant <[email protected]>

Author: rajput-hemant

src/0201-0300/205 - Isomorphic Strings/isomorphic_strings.go

@@ -0,0 +1,24 @@
+package main
+
+func isIsomorphic(s string, t string) bool {
+	const max = 256
+
+	var (
+		sMap [max]int
+		tMap [max]int
+	)
+
+	for i := 0; i < len(s); i++ {
+		sIndex := s[i] - 'a'
+		tIndex := t[i] - 'a'
+
+		if sMap[sIndex] != tMap[tIndex] {
+			return false
+		}
+
+		sMap[sIndex] = i + 1
+		tMap[tIndex] = i + 1
+	}
+
+	return true
+}