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题目链接 递归 class Solution { public int uniquePaths(int m, int n) { return dfs(new HashMap<Pair,Integer>(),0,0,m,n); } private int dfs(Map<Pair,Integer> c 阅读全文
posted @ 2022-02-07 01:55
蹇爱黄
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题目链接 class Solution { public ListNode rotateRight(ListNode head, int k) { if(head == null) return null; int len = 1; ListNode tail = head; while(tail. 阅读全文
posted @ 2022-02-07 01:25
蹇爱黄
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