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93. 复原 IP 地址 class Solution { private List<String> res; private Deque<StringBuilder> deque; public List<String> restoreIpAddresses(String s) { res = n 阅读全文
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40. 组合总和 II class Solution { private List<List<Integer>> res; private LinkedList<Integer> path; private int sum; public List<List<Integer>> combinatio 阅读全文
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39. 组合总和 class Solution { List<List<Integer>> res; LinkedList<Integer> path; int sum; public List<List<Integer>> combinationSum(int[] candidates, int 阅读全文
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77. 组合 class Solution { List<List<Integer>> res; LinkedList<Integer> path; public List<List<Integer>> combine(int n, int k) { res = new ArrayList<>(); 阅读全文