题目链接:https://leetcode.com/problems/string-to-integer-atoi/
Implement atoi to convert a string to an integer.
Hint: Carefully consider all possible input cases. If you want a challenge, ple...
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其他好文 时间:
2015-06-21 14:30:06
阅读次数:
142
1. 问题描述 计算字符串表达式的值,表达式中只含有(,),+,-,空格和非负整数。例如:
“1 + 1” = 2
” 2-1 + 2 ” = 3
“(1+(4+5+2)-3)+(6+8)” = 23
原文链接:https://leetcode.com/problems/basic-calculator/2. 方法与思路2.1 利用后缀表达式计算 一种思路是按照常规的方法...
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其他好文 时间:
2015-06-21 09:23:02
阅读次数:
118
https://leetcode.com/problems/minimum-size-subarray-sum/Given an array ofnpositive integers and a positive integers, find the minimal length of a suba...
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其他好文 时间:
2015-06-20 18:26:47
阅读次数:
130
题目来自于:
https://leetcode.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal/
这一题目其实我想说的还不是我的代码,是之前在写代码中遇到的一个bug问题。后面会进行详细的解释
Construct Binary Tree from Preorder and Inord...
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其他好文 时间:
2015-06-19 01:34:03
阅读次数:
146
https://leetcode.com/problems/remove-element/Given an array and a value, remove all instances of that value in place and return the new length.The ord...
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其他好文 时间:
2015-06-19 01:26:31
阅读次数:
146
https://leetcode.com/problems/remove-duplicates-from-sorted-array/Given a sorted array, remove the duplicates in place such that each element appear o...
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其他好文 时间:
2015-06-19 01:22:40
阅读次数:
118
https://leetcode.com/problems/merge-two-sorted-lists/Merge two sorted linked lists and return it as a new list. The new list should be made by splicin...
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其他好文 时间:
2015-06-18 23:57:12
阅读次数:
141
题意:又是回文判断:该数是否是回文数原题来自:https://leetcode.com/problems/palindrome-number/分析:回文真多,直接把数反转来判断是否相等。 1 class Solution { 2 public: 3 bool isPalindrome(int...
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其他好文 时间:
2015-06-18 21:42:04
阅读次数:
114
13 Roman to Integer链接:https://leetcode.com/problems/roman-to-integer/
问题描述:
Given a roman numeral, convert it to an integer.Input is guaranteed to be within the range from 1 to 3999.Hide Tags Math St...
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其他好文 时间:
2015-06-18 09:47:10
阅读次数:
167
12 Integer to Roman链接:https://leetcode.com/problems/integer-to-roman/
问题描述:
Given an integer, convert it to a roman numeral.Input is guaranteed to be within the range from 1 to 3999.Hide Tags Math St...
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其他好文 时间:
2015-06-18 09:45:27
阅读次数:
170