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| author | crupest <crupest@outlook.com> | 2021-02-23 21:07:19 +0800 |
|---|---|---|
| committer | crupest <crupest@outlook.com> | 2021-02-23 21:07:19 +0800 |
| commit | e353213dfb73259a5d33cc6e9d5cd2373c683be9 (patch) | |
| tree | e879936e7e9c62f9946249cdeb470afeef1c1500 /works/solutions/leetcode/cpp/203.cpp | |
| parent | 7e3e89a3f0ecc49c33334f423dbde3a5fdc57abd (diff) | |
| download | crupest-e353213dfb73259a5d33cc6e9d5cd2373c683be9.tar.gz crupest-e353213dfb73259a5d33cc6e9d5cd2373c683be9.tar.bz2 crupest-e353213dfb73259a5d33cc6e9d5cd2373c683be9.zip | |
import(solutions): Move leetcode solutions to subdir.
Diffstat (limited to 'works/solutions/leetcode/cpp/203.cpp')
| -rw-r--r-- | works/solutions/leetcode/cpp/203.cpp | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/works/solutions/leetcode/cpp/203.cpp b/works/solutions/leetcode/cpp/203.cpp new file mode 100644 index 0000000..0f1bb55 --- /dev/null +++ b/works/solutions/leetcode/cpp/203.cpp @@ -0,0 +1,48 @@ +#include <cstddef>
+
+struct ListNode
+{
+ int val;
+ ListNode *next;
+ ListNode(int x) : val(x), next(NULL) {}
+};
+
+class Solution
+{
+public:
+ ListNode *removeElements(ListNode *head, int val)
+ {
+ if (head == NULL)
+ return NULL;
+
+ ListNode *last = NULL;
+ ListNode *current = head;
+
+ while (current != NULL)
+ {
+ if (current->val == val)
+ {
+ if (last == NULL)
+ {
+ auto temp = current;
+ current = current->next;
+ head = current;
+ delete temp;
+ }
+ else
+ {
+ auto temp = current;
+ current = current->next;
+ last->next = current;
+ delete temp;
+ }
+ }
+ else
+ {
+ last = current;
+ current = current->next;
+ }
+ }
+ return head;
+ }
+};
|