sorryhao

摘要： 题目链接地址：http://acm.hdu.edu.cn/showproblem.php?pid=4432Sum of divisorsTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 137 Accepted Submission(s): 54 Problem Descriptionmmm is learning division, she's so proud of herself that she can figure out 阅读全文

摘要： 题目链接地址：http://acm.hdu.edu.cn/showproblem.php?pid=44382012天津赛区现场赛H题/*简单数学题只要稍微懂点概率论的知识就能做出来当Alice首选tiger时，期望为：mp1 = q*(p*x + p*y) + (1-q)*x;当Alice首选wolf是，期望为：mp2 = q*y + (1-q)*(p*x + p*y);*/#include<iostream>using namespace std;int t;double x,y,p,q;int main(){ //freopen("4438.txt",&qu 阅读全文