题目链接: http://acm.zju.edu.cn/onlinejudge/showProblem.do?problemCode=2723 题目描述: Prime Number Definition An integer greater than one is called a prime number if its only positive divisors (factors) are one and itself. For instance, 2, 11, 67, 89 are pri…
Alice and Bob Time Limit:3000MS Memory Limit:128000KB 64bit IO Format:%lld & %llu Submit Status Practice ACdream 1112 Description Here is Alice and Bob again ! Alice and Bob are playing a game. There are several numbers. First, Alice choose…
Bi-shoe and Phi-shoe Bamboo Pole-vault is a massively popular sport in Xzhiland. And Master Phi-shoe is a very popular coach for his success. He needs some bamboos for his students, so he asked his assistant Bi-Shoe to go to the market and buy them.…
RGCDQ Time Limit: 3000MS Memory Limit: 65536KB 64bit IO Format: %I64d & %I64u Submit Status Description Mr. Hdu is interested in Greatest Common Divisor (GCD). He wants to find more and more interesting things about GCD. Today He comes up with Ra…
说明:此处为<高性能mysql(第二版)>中的示例代码,除了数据库名 其他未经更改.仅供学习及参考 对数据库的每个表执行优化的存储过程 CREATE PROCEDURE `inventory`.`optimize_table` (db_name VARCHAR(64)) BEGIN DECLARE t VARCHAR(64); DECLARE done INT DEFAULT 0; DECLARE c CURSOR FOR SELECT table_name FROM INFORMA…