Update beautiful-arrangement-ii.cpp

kamyu104 · web-flow · commit 92f49c5c18ea · 2017-08-31T23:09:43.000+08:00
diff --git a/C++/beautiful-arrangement-ii.cpp b/C++/beautiful-arrangement-ii.cpp
@@ -7,11 +7,9 @@ class Solution {
         vector<int> result;
         int left = 1, right = n;
         while (left <= right) {
+            result.emplace_back(k % 2 ? left++ : right--);
             if (k > 1) {
-                result.emplace_back(k-- % 2 ? left++ : right--);
-            }
-            else {
-                result.emplace_back(k % 2 ? left++ : right--);
+                --k;
             }
         }
         return result;

Original file line number	Diff line number	Diff line change
`@@ -7,11 +7,9 @@ class Solution {`
`7`	`7`	`vector<int> result;`
`8`	`8`	`int left = 1, right = n;`
`9`	`9`	`while (left <= right) {`
	`10`	`+ result.emplace_back(k % 2 ? left++ : right--);`
`10`	`11`	`if (k > 1) {`
`11`		`- result.emplace_back(k-- % 2 ? left++ : right--);`
`12`		`- }`
`13`		`- else {`
`14`		`- result.emplace_back(k % 2 ? left++ : right--);`
	`12`	`+ --k;`
`15`	`13`	`}`
`16`	`14`	`}`
`17`	`15`	`return result;`