init

25/06/3442.go

@@ -0,0 +1,19 @@
+package main
+
+func maxDifference(s string) int {
+	m := make(map[rune]int)
+
+	maxOdd := 0
+	minEven := len(s)
+	for _, c := range s {
+		m[c]++
+	}
+	for _, v := range m {
+		if v%2 == 1 {
+			maxOdd = max(maxOdd, v)
+		} else {
+			minEven = min(minEven, v)
+		}
+	}
+	return maxOdd - minEven
+}