摘要:
链接: http://acm.hdu.edu.cn/contests/contest_showproblem.php?pid=1004&cid=872 题意: 给定一个正整数 n,要求判断 1n 在十进制下是不是一个无限小数。如果是,输出“Yes”,否则输出“No”。 思路: 题解是只有2和5的质数 阅读全文
摘要:
链接: https://vjudge.net/problem/HDU 3613 题意: After an uphill battle, General Li won a great victory. Now the head of state decide to reward him with ho 阅读全文