zip is a built-in function that takes two or more sequence and ‘zips’ them into a list of tuples, where each tuple contains one element from each sequ...
分类:
其他好文 时间:
2014-07-22 22:53:14
阅读次数:
269
链接O(n^3)的做法:枚举任意两点为弦的圆,然后再枚举其它点是否在圆内。用到了两个函数atan2反正切函数,据说可以很好的避免一些特殊情况 1 #include 2 #include 3 #include 4 #include 5 #include 6 #include 7 #include 8....
分类:
其他好文 时间:
2014-07-22 22:51:53
阅读次数:
282
Merge Two Sorted ListsMerge two sorted linked lists and return it as a new list. The new list should be made by splicing together the nodes of the fir...
分类:
其他好文 时间:
2014-07-22 22:51:35
阅读次数:
146
创建表: hive> CREATE TABLE pokes (foo INT, bar STRING); Creates a table called pokes with two columns, the first being an integer and the other a string....
分类:
其他好文 时间:
2014-07-22 22:50:54
阅读次数:
262
Jzzhu has invented a kind of sequences, they meet the following property:
You are given x and y,
please calculate fn modulo 1000000007 (109?+?7).
Input
The first line contains two int...
分类:
其他好文 时间:
2014-07-22 22:49:33
阅读次数:
296
Description
Problem D: Power Strings
Given two strings a and b we define a*b to be their concatenation. For example, if
a = "abc" and b = "def" then a*b = "abcdef". If we think of concatenation a...
分类:
其他好文 时间:
2014-07-20 09:39:37
阅读次数:
263
DescriptionThere is a number of disjoint vertical line segments in the plane. We say that two segments are horizontally visible if they can be connect...
分类:
其他好文 时间:
2014-07-20 09:27:15
阅读次数:
351
Description
Given two strings a and b we define a*b to be their concatenation. For example, if a = "abc" and b = "def" then a*b = "abcdef". If we think of concatenation as multiplication, exponentiat...
分类:
其他好文 时间:
2014-07-19 23:47:19
阅读次数:
418
Flip Game
Time Limit: 1000MS
Memory Limit: 65536K
Total Submissions: 30062
Accepted: 13036
Description
Flip game is played on a rectangular 4x4 field with two-sided p...
分类:
其他好文 时间:
2014-07-19 23:42:59
阅读次数:
405
F - 最大子矩形
Time Limit:1000MS Memory Limit:10000KB 64bit IO Format:%I64d & %I64u
Submit
Status
Description
Given a two-dimensional array of positive and negative integers, a sub-rectangle is any ...
分类:
其他好文 时间:
2014-07-19 23:26:59
阅读次数:
236