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-rw-r--r--other/odd_even_linke_list.cpp22
1 files changed, 22 insertions, 0 deletions
diff --git a/other/odd_even_linke_list.cpp b/other/odd_even_linke_list.cpp
new file mode 100644
index 0000000..4ee4bac
--- /dev/null
+++ b/other/odd_even_linke_list.cpp
@@ -0,0 +1,22 @@
+#include "leetcode.h"
+
+class Solution {
+public:
+ ListNode *oddEvenList(ListNode *head) {
+ ListNode *odd = NULL, *headOdd = NULL, *even = NULL, *headEven = NULL;
+ if (!head || !head->next || !head->next->next)
+ return head;
+ odd = head;
+ headOdd = odd;
+ even = head->next;
+ headEven = even;
+ while (even && even->next) {
+ odd->next = odd->next->next;
+ even->next = even->next->next;
+ odd = odd->next;
+ even = even->next;
+ }
+ odd->next = headEven;
+ return headOdd;
+ }
+};