2022-11-21 13:15:56 +00:00
|
|
|
#ifndef S0024_SWAP_NODES_IN_PAIRS_HPP
|
|
|
|
|
#define S0024_SWAP_NODES_IN_PAIRS_HPP
|
2022-11-14 03:57:10 +00:00
|
|
|
|
|
|
|
|
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
|
