2022-03-12 03:04:49 +00:00
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#ifndef S0002_ADD_TWO_NUMBERS_HPP
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#define S0002_ADD_TWO_NUMBERS_HPP
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2022-03-10 12:25:55 +00:00
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struct ListNode {
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int val;
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ListNode* next;
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ListNode() : val(0), next(nullptr) {}
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ListNode(int x) : val(x), next(nullptr) {}
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ListNode(int x, ListNode* next) : val(x), next(next) {}
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};
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class Solution {
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public:
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/**
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* @brief Add Two Numbers
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*
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* You are given two **non-empty** linked lists representing two non-negative
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* integers. The digits are stored in **reverse order**, and each of their
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* nodes contains a single digit. Add the two numbers and return the sum as a
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* linked list.
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*
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* You may assume the two numbers do not contain any leading zero, except the
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* number 0 itself.
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*
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* @param l1 the first linked list
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* @param l2 the second linked list
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*/
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ListNode* addTwoNumbers(ListNode* l1, ListNode* l2);
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};
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#endif
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