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剑指offer python版 顺时针打印矩阵
def aa(matrix): rows=len(matrix) cols=len(matrix[0]) start=0 ret=[] while start*2 <rows and start*2<cols: bb(matrix,rows,cols,start,ret) start +=1 ret... ...
分类:编程语言   时间:2018-10-26 10:47:01    阅读次数:197
HDU - 6314:Matrix (广义容斥)(占位)
Samwell Tarly is learning to draw a magical matrix to protect himself from the White Walkers. the magical matrix is a matrix with n rows and m columns ...
分类:其他好文   时间:2018-10-25 19:24:13    阅读次数:164
grid表格
<!DOCTYPE html><html><head><meta charset="utf-8"><title>grid</title><style type="text/css">.wrapper{display: grid;grid-template-rows: 90px 100px 100px ...
分类:其他好文   时间:2018-10-25 18:02:54    阅读次数:188
剑指offer python版 二维数组的查找
def find_integer(matrix, num): """ :param matrix: [[]] :param num: int :return: bool """ if not matrix: return False rows, cols = len(matrix), len(mat... ...
分类:编程语言   时间:2018-10-25 11:02:30    阅读次数:152
885. Spiral Matrix III
On a 2 dimensional grid with R rows and C columns, we start at (r0, c0) facing east. Here, the north west corner of the grid is at the first row and c ...
分类:其他好文   时间:2018-10-21 13:09:21    阅读次数:236
DataTable某一列的值转化成集合
DataTable dt = new DataTable(); dt.Columns.Add("name",typeOf(string)); dt.Rows.Add(dt.NewRow()["name"]="jack"); string[] names=dt.Rows.ofType<DataRow> ...
分类:其他好文   时间:2018-10-19 11:52:46    阅读次数:305
SQL执行异常系列之——隐式转换
SQL> select object_id,CREATED from dba_objects where rownum no rows selected Execution Plan ----------------------------------------------------------... ...
分类:数据库   时间:2018-10-19 02:00:34    阅读次数:180
Swap(二分图的最大匹配)
Swap HDU - 2819 Given an N*N matrix with each entry equal to 0 or 1. You can swap any two rows or any two columns. Can you find a way to make all the ...
分类:其他好文   时间:2018-10-16 01:45:38    阅读次数:245
python多进程,并获取每个进程的返回值
pool = multiprocessing.Pool(processes=10) row = [...] for row in rows: task_id = row[1] img_id = row[0] pool.apply_async(check_picture_contain_human_o... ...
分类:编程语言   时间:2018-10-14 16:40:46    阅读次数:823
mysql命令行下创建数据库,创建表,插入数据,查询数据
1.创建数据库 mysql> create DATABASE booktik -> ;Query OK, 1 row affected (0.02 sec) 2.创建表 mysql> use booktikDatabase changedmysql> create TABLE book( -> id ...
分类:数据库   时间:2018-10-13 15:39:44    阅读次数:240
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