Do you know reverse Polish notation (RPN)? It is a known notation in the area of mathematics and computer science. It is also known as postfix notation since every operator in an expression
follows ...
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其他好文 时间:
2014-10-12 22:58:58
阅读次数:
263
Known NotationTime Limit:2 Seconds Memory Limit:65536 KBDo you know reverse Polish notation (RPN)? It is a known notation in the area of mathematics a...
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其他好文 时间:
2014-10-12 22:38:08
阅读次数:
209
题目链接:
Known Notation
Time Limit: 2 Seconds Memory Limit: 65536 KB
Do you know reverse Polish notation (RPN)? It is a known notation in the area of mathematics and computer science. It...
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其他好文 时间:
2014-10-12 22:26:48
阅读次数:
250
Known Notation
Time Limit: 2 Seconds Memory Limit: 131072 KB
Do you know reverse Polish notation (RPN)? It is a known notation in the area of mathematics and computer science. It is also kn...
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其他好文 时间:
2014-10-12 18:52:18
阅读次数:
319
题目要求面积和判断非相邻边不相交。和数学和几何有关系。 1 #include 2 #include 3 4 #define MISS 0.0000001 5 6 int det(double x1,double y1,double x2,double y2,double x3,double ...
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其他好文 时间:
2014-10-12 18:39:58
阅读次数:
219
Given n non-negative integers representing the histogram's bar height where the width of each bar is 1, find the area of largest rectangle in the histogram.
Above is a histogram where width o...
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其他好文 时间:
2014-10-11 17:54:45
阅读次数:
147
Given a 2D binary matrix filled with 0's and 1's, find the largest rectangle containing all ones and return its area.
class Solution {
public:
int largestRectangleArea(int* height, int length) {
...
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其他好文 时间:
2014-10-11 17:37:26
阅读次数:
156
locale 命令 locale 命令用以设置程序运行的语言环境。 locale 设置语言环境的命名规则为 Language_area.charset,例如 en_US.utf8 表示语言为英语,地区为美国,字符集为 UTF-8。 查看当前字符映射文件$ locale charmapUTF-8...
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系统相关 时间:
2014-10-11 16:29:05
阅读次数:
202
今天帮开发人员优化SQL,发现一个以前不怎么在意的问题SELECT
bond.store_no
FROM
bill_order_num_dtlbond
WHEREEXISTS
(select1
frommeetorder_staff_dtlb,
meetorder_staffa
whereb.operate_area=bond.store_no
anda.seq_no=b.seq_no
anda.user_code=‘lym‘
);查询需要2S,bill..
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其他好文 时间:
2014-10-10 21:31:44
阅读次数:
289
@property有什么用呢?表面看来,就是将一个方法用属性的方式来访问.
上代码,代码最清晰了.
class Circle(object):
def __init__(self, radius):
self.radius = radius
@property
def area(self):
return 3.14 * self.rad...
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编程语言 时间:
2014-10-09 19:10:07
阅读次数:
193