s0024

2022-11-14 11:57:10 +08:00
parent 8d4732c963
commit da63dcb16b
2 changed files with 28 additions and 0 deletions
--- a/include/s0024_swap_nodes_in_pairs.hpp
+++ b/include/s0024_swap_nodes_in_pairs.hpp
@@ -0,0 +1,17 @@
+#ifndef S0024_SWAP_NODES_IN_PAIRS
+#define S0024_SWAP_NODES_IN_PAIRS
+
+struct ListNode {
+  int val;
+  ListNode* next;
+  ListNode() : val(0), next(nullptr) {}
+  ListNode(int x) : val(x), next(nullptr) {}
+  ListNode(int x, ListNode* next) : val(x), next(next) {}
+};
+
+class Solution {
+ public:
+  ListNode* swapPairs(ListNode* head);
+};
+
+#endif