使用 for 循环迭代出输出元素，并将各个元素相加算出总和，再除于元素个数：
实例 1
include
int main() {
int array[10] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 0};
int sum, loop;
float avg;
sum = avg = 0;
for(loop = 0; loop < 10; loop++) {
sum = sum + array[loop];
}
avg = (float)sum / loop;
printf("平均值为 %.2f", avg);
return 0;
}
