Create sourcema.md

MMzhe · web-flow · commit 8c641f40006c · 2018-12-02T18:39:35.000+08:00
diff --git a/2018.12.3-leetcode58/sourcema.md b/2018.12.3-leetcode58/sourcema.md
@@ -0,0 +1,18 @@
+# LeetCode 58
+    class Solution {
+    public int lengthOfLastWord(String s) {
+       if (s == null || s.length() == 0) {
+            return 0;
+        }
+        String str = s.trim();
+        int length=0;
+        for (int i=str.length()-1;i>=0;i--) {
+            if (str.charAt(i) != ' ') {
+                length++;
+            } else {
+                break;
+            }
+        }
+        return length;
+    }
+}
