Create Tony the Cyclist.md

beddingearly · web-flow · commit c59f1a86172a · 2018-12-01T09:45:40.000+08:00
diff --git a/2018.12.1-leetcode387/Tony the Cyclist.md b/2018.12.1-leetcode387/Tony the Cyclist.md
@@ -0,0 +1,22 @@
+```
+class Solution {
+    public int firstUniqChar(String s) {
+        //char[] c = s.toCharArray();
+        Map<Character, Integer> m = new HashMap<>();
+        for (int i = 0; i < s.length(); i++){
+            if (m.containsKey(s.charAt(i))){
+                m.put(s.charAt(i), m.get(s.charAt(i))+1);
+            }
+            else {
+                m.put(s.charAt(i), 1);
+            }
+        }
+        for (int i = 0; i < s.length(); i++){
+            if (m.get(s.charAt(i)) == 1){
+                return i;
+            }
+        }
+        return -1;
+    }
+}
+```
