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Solution without LongLong: #include class Solution { public: int reverse(int x) { if (x == 0) return 0; else { bool type = x = 0; i--) r.push_back(s[i]); point = s.size(); if (0

FIRST: class Solution { public: ListNode* addTwoNumbers(ListNode* l1, ListNode* l2) { ListNode* l3 = new ListNode; ListNode* t[111]; t[0] = new ListNode; l3->next = t[0]; int add = 0, sum; for(int i = 0; l1 or l2 or add; i++) { sum = 0; t[i + 1] = new ListNode; if (l1) { sum += l1->val; l1 = l1->next; } if (l2) { sum += l2->val; l2 = l2->next; } t[i]->val = ((sum + add) % 10); if (sum + add >= 1..

https://leetcode.com/problems/second-highest-salary/ Second Highest Salary - LeetCode Level up your coding skills and quickly land a job. This is the best place to expand your knowledge and get prepared for your next interview. leetcode.com 해석 1 2 3 Write an SQL query to report the second highest salary from the Employee table. If there is no second highest salary, the query should report null. ..

https://leetcode.com/problems/combine-two-tables/ Question: Write an SQL query to report the first name, last name, city, and state of each person in the Person table. If the address of a personId is not present in the Address table, report null instead. cs Solution: There are two table, Person and Address. So we can see that we have to use two table at the same time. In this case, We need 'JOIN..

https://leetcode.com/problems/combine-two-tables/ 해석: Write an SQL query to report the first name, last name, city, and state of each person in the Person table. If the address of a personId is not present in the Address table, report null instead. cs firstName , lastName, city, state를 출력하라, 그러나 Address table에 personId가 없으면, null을 리턴하라는 내용입니다. Person table과 Address table이 나오며 Null이 나오니, 두 테이블을 합..

https://leetcode.com/problems/longest-substring-without-repeating-characters/ Longest Substring Without Repeating Characters - LeetCode Level up your coding skills and quickly land a job. This is the best place to expand your knowledge and get prepared for your next interview. leetcode.com 해석 Given a string s, find the length of the longest substring without repeating characters. String s에서 가장 긴..