leetcode

LeetCode 75 I: Day 3

2 files changed, 4 insertions(+), 15 deletions(-)

diff --git a/ Problems/0021.cpp b/ Problems/0021.cpp

@@ -1,8 +1,7 @@ class Solution { public: ListNode *mergeTwoLists(ListNode *list1, ListNode *list2) {

ListNode *head, *t;

t = head = new ListNode();

ListNode head, *t = &head;

while (list1 && list2) { if (list1->val < list2->val) {

@@ -14,16 +13,7 @@ public: } }

while (list1) {

t = t->next = list1;

list1 = list1->next;

}

while (list2) {

t = t->next = list2;

list2 = list2->next;

}

return head->next;

t->next = list1 ? list1 : list2;

return head.next;

} };

diff --git a/ Problems/0206.cpp b/ Problems/0206.cpp

@@ -3,8 +3,7 @@ public: ListNode *reverseList(ListNode *head) { ListNode *p, *q, *r;

p = head;

q = nullptr;

p = head, q = nullptr;

while (p) { r = q; q = p;