https://leetcode.com/problems/valid-phone-numbers/
# Read from the file file.txt and output all valid phone numbers to stdout.
awk '/^([0-9]{3}-|\([0-9]{3}\) )[0-9]{3}-[0-9]{4}$/{print $0}' fi...
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其他好文 时间:
2015-07-11 15:13:34
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123
I guess some of you may have noticed that this seemingly simple problem has the lowest acceptance rate among all problems on the LeetCode OJ. Well, so...
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其他好文 时间:
2015-07-11 15:03:21
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129
42 Trapping Rain Water链接:https://leetcode.com/problems/trapping-rain-water/
问题描述:
Given n non-negative integers representing an elevation map where the width of each bar is 1, compute how much water...
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移动开发 时间:
2015-07-11 09:09:39
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152
20 Valid Parentheses链接:https://leetcode.com/problems/valid-parentheses/
问题描述:
Given a string containing just the characters ‘(‘, ‘)’, ‘{‘, ‘}’, ‘[’ and ‘]’, determine if the input string is valid.The...
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其他好文 时间:
2015-07-11 09:08:46
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103
https://leetcode.com/problems/search-insert-position/1 class Solution {2 public:3 int searchInsert(vector& nums, int target) {4 int index=...
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其他好文 时间:
2015-07-11 08:59:09
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103
https://leetcode.com/problems/remove-duplicates-from-sorted-list/ 1 /** 2 * Definition for singly-linked list. 3 * struct ListNode { 4 * int va...
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其他好文 时间:
2015-07-11 08:58:58
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94
https://leetcode.com/problems/unique-binary-search-trees/ 1 class Solution { 2 public: 3 int numTrees(int n) { 4 //典型的动态规划问题 5 //先...
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其他好文 时间:
2015-07-10 22:04:23
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115
https://leetcode.com/problems/binary-tree-inorder-traversal/递归中序遍历 1 /** 2 * Definition for a binary tree node. 3 * struct TreeNode { 4 * int v...
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其他好文 时间:
2015-07-10 18:21:58
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122
49 Anagrams链接:https://leetcode.com/problems/anagrams/
问题描述:
Given an array of strings, return all groups of strings that are anagrams.Note: All inputs will be in lower-case.Hide Tags Hash Table Strin...
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其他好文 时间:
2015-07-10 15:25:09
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130
https://leetcode.com/problems/palindrome-linked-list/Given a singly linked list, determine if it is a palindrome.Follow up:Could you do it in O(n) tim...
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其他好文 时间:
2015-07-10 13:04:13
阅读次数:
66