2017年9月22日
hdu 1220 容斥
摘要： http://acm.hdu.edu.cn/showproblem.php?pid=1220 Cube Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s 阅读全文
posted @ 2017-09-22 19:17 *zzq 阅读(109) 评论(0) 推荐(0)
计算客网络赛 Coin 二项式定理+逆元
摘要： https://nanti.jisuanke.com/t/17115 Bob has a not even coin, every time he tosses the coin, the probability that the coin's front face up is qp(qp≤12)\ 阅读全文
posted @ 2017-09-22 18:54 *zzq 阅读(445) 评论(0) 推荐(0)