Merge pull request gzc426#4 from qiuguomeng/qiuguomeng-patch-3

qiuguomeng · web-flow · commit ffc763a0e36f · 2018-12-01T22:42:32.000+08:00
Create 。。。.md
diff --git a/2018.11.28-leetcode151/。。。.md b/2018.11.28-leetcode151/。。。.md
@@ -0,0 +1,27 @@
+public String reverseWords(String s) {
+        int i = s.length()-1,wordRight=-1;
+        StringBuilder builder = new StringBuilder();
+        while (i >= 0){
+            if (s.charAt(i) == ' '){
+                if (wordRight!=-1){
+                    if (builder.length()!=0){
+                        builder.append(' ');
+                    }
+                    builder.append(s.substring(i+1,wordRight+1));
+                    wordRight=-1;
+                }
+                i--;
+                continue;
+            }
+            if (wordRight==-1)wordRight = i;
+            i--;
+        }
+        //添加最后一个单词
+        if (wordRight!=-1){
+            if (builder.length()!=0){
+                builder.append(' ');
+            }
+            builder.append(s.substring(i+1,wordRight+1));
+        }
+        return builder.toString();
+    }
