AtCoder Regular Contest 085 C HSI【概率论】

AtCoder Regular Contest 085 C HSI

没学概率论还不怎么看得懂,虽然感觉不难,其实明明可以猜出来的。。。。。

参考博客:https://www.cnblogs.com/guoyongheng/p/7821298.html

 1 #include<iostream>
 2 #include<cstdio>
 3 #include<cstring>
 4 #include<algorithm>
 5 using namespace std;
 6 typedef long long ll;
 7 
 8 int main()
 9 {
10     ll n,m;
11     cin>>n>>m;
12     cout<<(1ll<<m)*(m*1900+(n-m)*100)<<endl;
13     return 0;
14 }
原文地址:https://www.cnblogs.com/zxhyxiao/p/7857735.html