抓水母的派大星

摘要： Zjnu Stadium HDU - 3047 题面： In 12th Zhejiang College Students Games 2007, there was a new stadium built in Zhejiang Normal University. It was a modern 阅读全文

摘要： [蓝桥杯2019初赛]后缀表达式 题目链接：http://oj.ecustacm.cn/problem.php?id=1467 题目描述 给定N 个加号、M 个减号以及N + M + 1 个整数A1,A2,...,AN+M+1小明想知道在所有由这N 个加号、M 个减号以及N + M +1 个整数凑出 阅读全文