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添加(0141.环形链表.md):增加go版本
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@ -106,6 +106,21 @@ class Solution:
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## Go
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```go
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func hasCycle(head *ListNode) bool {
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if head==nil{
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return false
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} //空链表一定不会有环
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fast:=head
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slow:=head //快慢指针
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for fast.Next!=nil&&fast.Next.Next!=nil{
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fast=fast.Next.Next
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slow=slow.Next
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if fast==slow{
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return true //快慢指针相遇则有环
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}
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}
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return false
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}
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```
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### JavaScript
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