firstUniqChar

Author: hero

leet_code/firstUniqChar_test.go

@@ -0,0 +1,24 @@
+package leet_code
+
+import "testing"
+
+func firstUniqChar(s string) int {
+	var (
+		raneMap = make(map[rune]int, len(s))
+	)
+	for _, v := range s {
+		raneMap[v]++
+	}
+	for i, v := range s {
+		if val, ok := raneMap[v]; ok {
+			if val == 1 {
+				return i
+			}
+		}
+	}
+	return -1
+}
+
+func Test_firstUniqChar(t *testing.T) {
+	t.Log(firstUniqChar("loveleetcode"))
+}