题目为:
Given a binary tree, find its maximum depth.
The maximum depth is the number of nodes along the longest path from the root node down to the farthest leaf node.
阶梯思路:对于这种题目最简单的方法就是递归操作了...
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其他好文 时间:
2014-12-12 23:40:13
阅读次数:
374
Given a string, find the length of the longest substring without repeating characters. For example, the longest substring without
repeating letters for "abcabcbb" is "abc", which the length is 3. Fo...
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其他好文 时间:
2014-12-12 11:49:07
阅读次数:
132
Given an unsorted array of integers, find the length of the longest consecutive elements sequence. For example,Given [100, 4, 200, 1, 3, 2],The longes...
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其他好文 时间:
2014-12-12 06:43:52
阅读次数:
120
Given a string, find the length of the longest substring without repeating characters. For example, the longest substring without
repeating letters for "abcabcbb" is "abc", which the length is 3. Fo...
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其他好文 时间:
2014-12-11 22:33:05
阅读次数:
403
Given an unsorted array of integers, find the length of the longest consecutive elements sequence.For example,Given[100, 4, 200, 1, 3, 2],The longest ...
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其他好文 时间:
2014-12-10 01:41:06
阅读次数:
194
Given a stringS, find the longest palindromic substring inS. You may assume that the maximum length ofSis 1000, and there exists one unique longest pa...
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其他好文 时间:
2014-12-09 13:44:16
阅读次数:
210
Write a function to find the longest common prefix string amongst an array of strings.分析:这道题没什么好方法,暴力搜索比较即可,在用C++实现时有一个小trick就是"Ifposis equal to thest...
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其他好文 时间:
2014-12-09 13:42:01
阅读次数:
143
问题描述:
Given a string S, find the longest palindromic substring in
S. You may assume that the maximum length of S is 1000, and there exists one unique longest palindromic substring.
基本思想:
本题的navi...
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其他好文 时间:
2014-12-08 23:04:00
阅读次数:
221
此题首先为利用筛选法求得10000以内的素数,然后对于输入的每一个数字,依次以小于它的连续素数相加,相等则种类数加一,返回,换另一个素数开始往后继续相加进行这个过程,最后输出种类数。1259. Sum of Consecutive PrimesConstraintsTime Limit: 1 sec...
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其他好文 时间:
2014-12-08 21:18:22
阅读次数:
228
Given a string, find the length of the longest substring without repeating characters. For example, the longest substring without repeating letters fo...
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其他好文 时间:
2014-12-08 21:07:17
阅读次数:
128