2744. Find Maximum Number of String Pairs

Author: donutloop

Find Maximum Number of String Pairs/kata.go

@@ -0,0 +1,20 @@
+package kata
+
+func maximumNumberOfStringPairs(words []string) int {
+	pair := make(map[string]int, 0)
+	var c int
+	for i := 0; i < len(words); i++ {
+		pair[words[i]]++
+		reversedWord := string(words[i][1]) + string(words[i][0])
+		if reversedWord == words[i] {
+			continue
+		}
+		pair[reversedWord]++
+		if pair[reversedWord] == 2 {
+			pair[reversedWord] = pair[reversedWord] - 2
+			c++
+		}
+	}
+
+	return c
+}