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HDU-3853-期望/dp/坑
LOOPS Time Limit: 15000/5000 MS (Java/Others) Memory Limit: 125536/65536 K (Java/Others)Total Submission(s): 7826 Accepted Submission(s): 3156 Problem ...
分类:其他好文   时间:2018-05-03 12:47:01    阅读次数:177
C语言loops基础程序作写代写、writing a C program
C语言loops基础程序作写代写、writing a C programIn this project you will demonstrate your understanding of loops and if statements by writing a programthat sequen ...
分类:编程语言   时间:2018-04-30 22:07:00    阅读次数:187
洛谷 P1501 [国家集训队]Tree II
看来这个LCT板子并没有什么问题 压行后: 1 #pragma GCC optimize("Ofast") 2 #pragma GCC optimize("inline","fast-math","unroll-loops","no-stack-protector") 3 #pragma GCC d ...
分类:其他好文   时间:2018-04-18 20:15:17    阅读次数:231
Run Loops
Run loops are part of the fundamental infrastructure associated with threads. A run loop is an event processing loop that you use to schedule work and ...
分类:其他好文   时间:2018-04-16 18:39:03    阅读次数:175
Minimum spanning tree for each edge
Connected undirected weighted graph without self-loops and multiple edges is given. Graph contains n vertices and m edges. For each edge (u,?v) find t ...
分类:其他好文   时间:2018-04-08 00:25:36    阅读次数:213
Ansible-playbook 之 loops 循环一
ansible 提供的loops 循环可以有效的提高工作效率,比方说需要创建多个用户,之前需要建立多个task,现在使用loops 可以快速完成。
分类:其他好文   时间:2018-01-12 11:31:08    阅读次数:131
Nested Loops(嵌套循环)
先扫描驱动表的(外表),外表的每一行驱动内表,然后匹配,所以nest loops不是主要依赖于内表有多少行,而是非常依赖于驱动表到底有多少行参与nested loops,因为驱动表(或者准确的说是驱动的cardinality)越多,那么nested loops的效率会越低,因为内表是索引效率,成本不 ...
分类:其他好文   时间:2018-01-01 23:37:56    阅读次数:191
threading模块开启多线程
1 import threading 2 from time import ctime,sleep 3 loops = [4,2] 4 def loop(nloop,nsec): 5 print('start loop',nloop,'at:',ctime()) 6 sleep(nsec) 7 pr... ...
分类:编程语言   时间:2017-12-21 00:22:40    阅读次数:150
unable to unroll loop 报错
unable to unroll loop, loop does not appear to terminate in a timely manner (1024 iterations)原本代码for (int i = 0; i = _Loops) break;}这个报错是 DirectX shad... ...
分类:其他好文   时间:2017-11-25 18:26:11    阅读次数:138
Oracle三种链接方式的区别
1 nested loops join--我们用设置statistics_level=all的方式来观察如下表连接语句的执行计划:--T2表被访问100次(驱动表访问1次,被驱动表访问100次)--这个set linesize 1000对dbms_xplan.display_cursor还是有影响的 ...
分类:数据库   时间:2017-11-11 11:18:44    阅读次数:184
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