leetcode

Solution to some Leetcode problems written in C++
git clone git://git.dimitrijedobrota.com/leetcode.git
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0160.cpp (512B)


      1 class Solution {
      2   public:
      3     ListNode *getIntersectionNode(ListNode *headA, ListNode *headB) {
      4         if (!headA || !headB) return nullptr;
      5 
      6         ListNode *res = nullptr;
      7 
      8         for (ListNode *p = headA; p; p = p->next)
      9             p->val = -p->val;
     10 
     11         for (ListNode *p = headB; p; p = p->next)
     12             if (p->val < 0) {
     13                 res = p;
     14                 break;
     15             }
     16 
     17         for (ListNode *p = headA; p; p = p->next)
     18             p->val = -p->val;
     19 
     20         return res;
     21     }
     22 };