Jiangxh100315 @ 2024-09-09 23:04:37
#include<bits/stdc++.h>
using namespace std;
int n,k,cnt1=0,cnt2=0;
double ans1,ans2,sum1,sum2;
int main(){
cin>>n;
cin>>k;
for(int i=1;i<=n;i++) {
if(i%k==0){
sum1+=i;
cnt1++;
}
else{
sum2+=i;
cnt2++;
}
ans1=sum1/cnt1;
ans2=sum2/cnt2;
printf("%.1lf %.1lf",ans1,ans2);
return 0;
}
}
by sunhewei @ 2024-09-15 16:56:01
sum没有赋值为0