msb-public-java
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LeetCode
mirror of https://github.com/yuanguangxin/LeetCode
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Code Issues Projects Releases Wiki Activity

add q876

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pull/6/head
yuanguangxin 4 years ago
parent 6edfb501de
commit 67c2adc01a
4 changed files with 51 additions and 17 deletions
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39
.idea/workspace.xml
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1
README.md
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@ -27,6 +27,7 @@
* [q141_环形链表](/src/快慢指针遍历/q141_环形链表)
* [q202_快乐数](/src/快慢指针遍历/q202_快乐数)
* [q876_链表的中间结点](/src/快慢指针遍历/q876_链表的中间结点)
### 区间合并

12
src/快慢指针遍历/q876_链表的中间结点/ListNode.java
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@ -0,0 +1,12 @@
package 快慢指针遍历.q876_链表的中间结点;
public class ListNode {
int val;
ListNode next;
ListNode(int x) {
val = x;
}
}

16
src/快慢指针遍历/q876_链表的中间结点/Solution.java
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@ -0,0 +1,16 @@
package 快慢指针遍历.q876_链表的中间结点;
/**
* 快慢指针法 o(n)
*/
public class Solution {
public ListNode middleNode(ListNode head) {
ListNode slow = head, fast = head;
while (fast != null && fast.next != null) {
slow = slow.next;
fast = fast.next.next;
}
return slow;
}
}
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