题解 | #统计成绩#

//特别的，我用了排序的方法去取得最大最小值
#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
float* MAX(float arr[])
{
    float temp;
    for (int i = 0; i < 4; i++)
    {
        for (int i = 0; i < 4; i++)
        {
            if (arr[i] > arr[i + 1])
            {
                temp = arr[i + 1];
                arr[i + 1] = arr[i];
                arr[i] = temp;
            }
        }
    }
    return &arr[4];
}
float* MIN(float arr[])
{
    float temp;
    for (int i = 0; i < 4; i++)
    {
        for (int i = 0; i < 4; i++)
        {
            if (arr[i] > arr[i + 1])
            {
                temp = arr[i + 1];
                arr[i + 1] = arr[i];
                arr[i] = temp;
            }
        }
    }
    return &arr[0];
}
float* AVERAGE(float arr[], int n)
{
    static float average = 0;
    float sum = 0;
    for (int i = 0; i < n; i++)
    {
        sum = sum + arr[i];
    }
    average = sum / n;
    return &average;
}
int main()
{
    int n = 0;
    float arr[5] = { 0 };
    scanf("%d", &n);
    for (int i = 0; i < 5; i++)
    {
        scanf("%f", &arr[i]);
    }
    float* max = MAX(arr);
    float* min = MIN(arr);
    float* average = AVERAGE(arr, n);
    printf("%.2f %.2f %.2f", *max, *min, *average);
    return 0;
}