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【SHTSC2014】概率充电器(charger) 题解
【SHTSC2014】概率充电器(charger) Description 著名的电子产品品牌SHOI刚刚发布了引领世界潮流的下一代电子产品——概率充电器： “采用全新纳米级加工技术，实现元件与导线能否通电完全由真随机数决定！SHOI概率充电器，您生活不可或缺的必需品！能充上电吗？现在就试试看吧！” SHOI概率充电Mysql-基本语法
--连接数据库 --mysql -u root -p --密码：linyifan -- 创建数据表 -- auto_increment 自增 -- PRIMARY KEY 主键 CREATE TABLE employee( id TINYINT PRIMARY KEY auto_increment, name VARCHAR(25), gender boolean, age TINYINT, department VARCHAR(20), salarcf Educational Codeforces Round 61 D. Stressful Training
原题： D. Stressful Training time limit per test3 seconds memory limit per test256 megabytes inputstandard input outputstandard output Berland SU holds yet another training contest for its students today. n students came, each of them brought his laptop.CF 1132A,1132B,1132C,1132D,1132E,1132F(Round 61 A,B,C,D,E,F)题解
A.Regular bracket sequence A string is called bracket sequence if it does not contain any characters other than "(" and ")". A bracket sequence is called regular if it it is possible to obtain correct arithmetic expression by inserting