Create 290. Word Pattern

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

Author: tahsintunan

go/0283-move-zeros.go

@@ -0,0 +1,20 @@
+func wordPattern(pattern string, s string) bool {
+	words := strings.Split(s, " ")
+	if len(pattern) != len(words) {
+		return false
+	}
+
+	seenChr, seenWord := make(map[byte]int, len(pattern)), make(map[string]int, len(pattern))
+	for i := 0; i < len(pattern); i++ {
+		chrPos, chrOk := seenChr[pattern[i]]
+		wordPos, wordOk := seenWord[words[i]]
+		if chrOk != wordOk || chrPos != wordPos {
+			return false
+		}
+
+		seenChr[pattern[i]] = i
+		seenWord[words[i]] = i
+	}
+
+	return true
+}