Given a linked list, determine if it has a cycle in it.Follow up:Can you solve it without using extra space?/** * Definition for singly-linked list. *...
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2014-12-03 13:54:01
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Given a linked list, determine if it has a cycle in it. Follow up:Can you solve it without using extra space?开始以为这道题只需要注意不使用额外空间即可,于是写了个时间复杂度为O(n^2)暴力...
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2014-12-02 14:56:30
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Given a linked list, return the node where the cycle begins. If there is no cycle, return null. Follow up:Can you solve it without using extra space?这...
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2014-12-02 14:55:22
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Linked List CycleGiven a linked list, determine if it has a cycle in it.Follow up:Can you solve it without using extra space?SOLUTION 1:经典快慢指针问题。如果存在环...
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2014-11-30 00:15:56
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Given a linked list, return the node where the cycle begins. If there is no cycle, return null.
Follow up:
Can you solve it without using extra space?
#include
#include
typedef struct ListNode...
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其他好文 时间:
2014-11-28 18:22:51
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Given a linked list, determine if it has a cycle in it.
Follow up:
Can you solve it without using extra space?
#include
#include
typedef struct ListNode {
int val;
struct ListNode *nex...
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其他好文 时间:
2014-11-28 16:21:41
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In certain dc/dc-converter applications, on-chip, cycle-by-cycle current limit may be insufficient protection to prevent a failure during a short circ...
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其他好文 时间:
2014-11-28 14:19:55
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Given a linked list, return the node where the cycle begins. If there is no cycle, return null. Follow up:Can you solve it without using extra space?A...
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2014-11-28 07:39:59
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1023: [SHOI2008]cactus仙人掌图Time Limit:1 SecMemory Limit:162 MBSubmit:1141Solved:435[Submit][Status]Description如果某个无向连通图的任意一条边至多只出现在一条简单回路(simple cycle)...
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其他好文 时间:
2014-11-27 08:00:03
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335
Given a linked list, determine if it has a cycle in it.
Follow up:
Can you solve it without using extra space?
这个题目如果没有空间复杂度O(1)的限制,我可以想到的方法就是:遍历整个list,将每个节点的地址存入一个vector,如果发现某个节点的next的地址已经在vec...
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其他好文 时间:
2014-11-26 19:02:15
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