You are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their nodes contain a single ...
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其他好文 时间:
2014-06-28 10:45:34
阅读次数:
225
Reverse a linked list from positionmton. Do it in-place and in one-pass.For example:Given1->2->3->4->5->NULL,m= 2 andn= 4,return1->4->3->2->5->NULL.No...
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其他好文 时间:
2014-06-25 23:36:53
阅读次数:
291
Determine whether an integer is a palindrome. Do this without extra space.
思路:若使用【Leetcode】Reverse
Integer 的方法,判断反转后的整数是否与原整数相同,则可能出现溢出情况;又因为题目要求不适用额外空间,可以之间对比整数第一个与最后一个数的值,再依次类推。
class Solution {...
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其他好文 时间:
2014-06-22 20:43:56
阅读次数:
187
谜题24
byte是有符号的,范围是-128 - 127。而0x90是int类型。比较的时候,不相等。
如果想让其相等,需要进行类型转换:(byte & 0xff) 或者 (byte)0x99。
谜题25
自增运算符对循环的影响。j = j++,先赋值。
谜题26
Integer.MAX_VALUE加一之后会变成Integer.MIN_VALU...
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编程语言 时间:
2014-06-22 18:32:20
阅读次数:
254
Intervals
Time Limit: 2000MS
Memory Limit: 65536K
Total Submissions: 20786
Accepted: 7866
Description
You are given n closed, integer intervals [ai, bi] and n integer...
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其他好文 时间:
2014-06-22 16:36:24
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152
Description
Let S = s1 s2...s2n be a well-formed string of parentheses. S can be encoded in two different ways:
q By an integer sequence P = p1 p2...pn where pi is the number of left parentheses...
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其他好文 时间:
2014-06-22 14:06:49
阅读次数:
249
N-QueensThe n-queens puzzle is the problem of placing n queens on an n×n chessboard such that no two queens attack each other.Given an integer n, retu...
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其他好文 时间:
2014-06-22 13:10:11
阅读次数:
188
Reverse digits of an integer.
Example1: x = 123, return 321
Example2: x = -123, return -321
Have you thought about this?
Here are some good questions to ask before coding. Bonus points for y...
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其他好文 时间:
2014-06-22 09:31:16
阅读次数:
220
Reverse digits of an integer.Example1:x = 123, return 321Example2:x = -123, return -321click to show spoilers.Have you thought about this?Here are som...
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其他好文 时间:
2014-06-21 15:20:39
阅读次数:
191