Create 。。。.md

qiuguomeng · web-flow · commit 76e0c195e09e · 2018-12-02T16:25:45.000+08:00
diff --git a/2018.12.1-leetcode387/。。。.md b/2018.12.1-leetcode387/。。。.md
@@ -0,0 +1,19 @@
+class Solution {
+    public int firstUniqChar(String s) {
+        if (s.trim().length() == 0)return -1;
+        int result = Integer.MAX_VALUE;
+        Map<Character,Integer> map = new HashMap<>();
+        for (int i = 0; i < s.length(); i++){
+            if (map.containsKey(s.charAt(i))){
+                map.put(s.charAt(i),Integer.MAX_VALUE);
+            }else {
+                map.put(s.charAt(i),i);
+            }
+        }
+        for (int i : map.values()){
+            result = Math.min(i,result);
+        }
+        if (result == Integer.MAX_VALUE)result=-1;
+        return result;
+    }
+}
