XZIT22090201124 @ 2022-10-18 16:50:10
#include <bits/stdc++.h>
using namespace std;
int main()
{ int n,k;
double sum1,sum2,a=0,b=0;
cin>>n>>k;
for(int i=1;i<=n;i++)
{
if(i%k==0)
{
sum1+=i;
a++;
}
else
{
sum2+=i;
b++;
}
}
cout<<fixed<<setprecision(1)<<sum1/a<<endl;
cout<<fixed<<setprecision(1)<<sum2/b<<endl;
return 0;
}
by Vergil_Sparda @ 2022-10-18 16:54:54
@XZIT22090201124 两数之间是空格
by sizheng555 @ 2022-10-18 16:55:35
@XZIT22090201124 两数之间是空格
by chun_71 @ 2022-10-18 17:14:09
@qknb_QWQ 活捉大佬
by XZIT22090201124 @ 2022-10-18 22:21:00
@qknb_QWQ 谢谢
by XZIT22090201124 @ 2022-10-18 22:21:19
@sizheng555 谢谢