int getDecimalValue(ListNode*head) { int res = 0;while(head) { res = res * 2 +head->val;head=head->next; }returnres; } }; Github 同步地址: https://github.com/grandyang/leetcode/issues/1290 参考资料: https://leetcode.com/problems/convert-binary-number-in-a-linked-list-to-integer...
Convert Binary Number in a Linked List to Integer# Given head which is a reference node to a singly-linked list. The value of each node in the linked list is either 0 or 1. The linked list holds the binary representation of a number. Return the decimal value of the number in the lin...
MySQL数据类型DECIMAL用法 2019-12-23 15:20 − **前言:** 当我们需要存储小数,并且有精度要求,比如存储金额时,通常会考虑使用DECIMAL字段类型,可能大部分同学只是对DECIMAL类型略有了解,其中的细节还不甚清楚,本篇文章将从零开始,为你讲述DECIMAL字段类型的使用场景及方法。 ### 1.DECIMAL类型简介 DECIMAL从....
* struct ListNode { * int val; * ListNode *next; * ListNode(int x) : val(x), next(NULL) {} * }; */ class Solution { public: int getDecimalValue(ListNode* head) { int ans=0; while(head!=NULL) { ans = (ans<<1)|(head->val); head=head->next; } return ans; } }; 1....
负数本身在binary里就是已经2's compliment了. 主要是num % 16 的问题。 补充知识:>>> 改进版代码 附: binary to decimal: 我一开始是想能不能right shift数字,把1101 最左边先shift出来,乘2^3。 再shift后面的。发现似乎并不行。不过换一个方向也是一样的,这个一时间脑袋秀逗也可能没转过来。
Return the decimal value of the number in the linked list. Example 1: Input: head = [1,0,1] Output: 5 Explanation: (101) in base 2 = (5) in base 10 Example 2: Input: head = [0] Output: 0 Example 3: Input: head = [1] ...
classSolution:defgetDecimalValue(self, head: ListNode) ->int: answer=0whilehead: answer= 2*answer +head.val head=head.nextreturnanswer Runtime:24 ms, faster than94.07% of Python3 online submissions for Convert Binary Number in a Linked List to Integer. ...
* int val; * ListNode *next; * ListNode(int x) : val(x), next(NULL) {} * }; */classSolution{public:intgetDecimalValue(ListNode* head){intans=0;while(head!=NULL) { ans = (ans<<1)|(head->val); head=head->next; }returnans; ...
Given head which is a reference node to a singly-linked list. The value of each node in the linked list is either 0 or 1. The linked list holds the binary representation of a number. Return the decimal value of the number in the linked list. ...
Number of nodes will not exceed30. Each node's value is either0or1. 题意 给定一个用来表示二进制数的链表,要求求出这个数。 思路 和求十进制一样。 代码实现 Java classSolution{publicintgetDecimalValue(ListNode head){intnum=0;while(head !=null) { ...