C语言编程-8

    xiaoxiao2025-04-04  41

    编写函数,寻找具有n个元素的一维数组中的最大值和最小值,并返回数组元素的平均值,函数原形如下:

     

    double fun(int a[],int n,int *max,int *min);

     

    如输入:

    5

    2 4 5 3 1

     

    则输出为:

    5

    1

    3.000000

    样例:

    3

    10 15 -10

    输出:

    15 -10 5.000000 #include<stdio.h> double fun(int a[], int n, int *max, int *min) { double mean = 0; int sum = 0; for (int i = 0; i < n; i++) { scanf_s("%d", &a[i]); } *max = a[0]; *min = a[0]; for (int i = 0; i < n; i++) { if (a[i] >= *max) { *max = a[i]; } if (a[i] <= *min) { *min = a[i]; } sum = sum + a[i]; } mean = (double)sum / n; //类型转换 return mean; } int main() { int a[200] = { 0 }, n; double mean; int max = 0, min = 0; scanf_s("%d\n", &n); mean = fun(a, n, &max, &min); printf("%d\n%d\n%f", max, min, mean); return 0; }

     

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