摘要: 1 #include<iostream> 2 #include<cstdio> 3 #include<algorithm> 4 using namespace std; 5 const int N=1e5+5; 6 int n,t; 7 double a[N],b[N],sum[N]; 8 9 in 阅读全文
posted @ 2022-02-15 22:44 matt-11 阅读(61) 评论(0) 推荐(0)