摘要: 题目链接 #include <bits/stdc++.h> using namespace std; int n; double tot,now; double a[105]; double dp[102][102]; // 交前i个,j个ac. int main() { cin >> n; for 阅读全文
posted @ 2020-10-06 21:09 jvruodejxt 阅读(109) 评论(0) 推荐(0)

Contact with me