大佬求救！用的c

lohjuyt @ 2022-01-20 15:20:26

#include<stdio.h>
int main()
{
    int n,k,a[1001],b[1001];
    int sum1=0;
    int sum2=0;
    int i=1;
    int j=1;
    int m=1;
    scanf("%d %d",&n,&k);
    for(m=1;m<=n;m++)
    {
        if(m%k==0)
        a[i]=m;
        i++;
        sum1=sum1+a[i];
        if(m%k!=0)
        b[j]=m;
        j++;
        sum2=sum2+b[j];
    }
    double aver1,aver2;
     aver1=sum1/i;
     aver2=sum2/j;
     printf("%.1f %.1f",aver1,aver2);

    return 0;
}

by coldy_rainy @ 2022-01-20 15:43:06

@lohjuyt

#include<stdio.h>
int main()
{
    int n,k,a[1001],b[1001];
    int sum1=0;
    int sum2=0;
    int i=0;
    int j=0;
    int m;
    scanf("%d %d",&n,&k);
    for(m=1;m<=n;m++)
    {
        if(m%k==0)
        {
        a[i]=m;
        sum1=sum1+a[i];
        i++;
        }
        if(m%k!=0)
        {
        b[j]=m;
        sum2=sum2+b[j];
        j++;
        }
    }
    double aver1,aver2;
     aver1=sum1*1.0/i;
     aver2=sum2*1.0/j;
     printf("%.1f %.1f",aver1,aver2);

    return 0;
}

具体为什么你自己去看吧，我要去打篮球没时间了，明天我再告诉你为啥

by lohjuyt @ 2022-01-20 16:43:26

@penhaochen 好的，谢谢您