mirror of
https://github.com/TheAlgorithms/C
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20 lines
388 B
C
20 lines
388 B
C
/**
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* Definition for singly-linked list.
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* struct ListNode {
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* int val;
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* struct ListNode *next;
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* };
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*/
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bool hasCycle(struct ListNode *head)
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{
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struct ListNode *fast = head, *slow = head;
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while (slow && fast && fast->next)
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{
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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;
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}
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return false;
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}
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