2022-12-02 11:12:03 +00:00
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#ifndef S0142_LINKED_LIST_CYCLE_HPP
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#define S0142_LINKED_LIST_CYCLE_HPP
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#include <unordered_map>
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2023-01-30 12:17:47 +00:00
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#include "structures.hpp"
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2022-12-02 11:12:03 +00:00
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struct IterResult {
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ListNode *node;
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bool meet;
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};
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class S0142 {
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public:
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std::unordered_map<ListNode *, int> footprint;
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2023-01-30 12:17:47 +00:00
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IterResult iter(ListNode *fast, ListNode *slow, bool startUp);
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2022-12-02 11:12:03 +00:00
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ListNode *detectCycle(ListNode *head);
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};
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#endif
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