leetcode6 [leetcode] 7. Reverse Integer Given a signed 32-bit integer x, return x with its digits reversed. If reversing x causes the value to go outside the signed 32-bit integer range [-231, 231 - 1], then return 0. Assume the environment does not allow you to store 64-bit integers (signed or unsigned). Example 1: Input: x = 123 Output: 321 Example 2: Input: x = -123 Output: -321 Example 3: Input: x = 120 Output: 21 Example 4: Input.. 2021. 1. 15. [LeetCode] 2.Add Two Numbers (Medium) //#1 차 2019.04.11 /** * Definition for singly-linked list. * struct ListNode { * int val; * ListNode *next; * ListNode(int x) : val(x), next(NULL) {} * }; */ class Solution { public: long long powerOfTen(int num) { if(num == 0) return 1; else return 10*powerOfTen(num-1); } int listToNumbers(ListNode* l){ long long num=0; long long iDigit=0; int iTemp=0; do{ iTemp=0; iTemp = (unsigned int) l->val.. 2019. 4. 11. 이전 1 2 다음 반응형