Question

c语言编程题，有一个一维数组内放10个学生的成绩，求出平均分，最高分，最低分，用调用函数的方法

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Answer 1

#include <stdio.h>

void average(float a[], int size)
{
int i = 0;
float temp = 0.0;
for(i; i<size; i++)
temp += a[i];
printf("平均分为：%f", temp/size);
}

void max(float a[], int size)
{
int i = 1;
float temp = a[0];
for(i; i<size; i++)
if (temp < a[i])
temp = a[i];
printf("最高分是：%f", temp);
}

void min(float a[], int size)
{
int i = 1;
float temp = a[0];
for(i; i<size; i++)
if (temp>a[i])
temp = a[i];
printf("最低分是：%f", temp);
}

void main()
{
float a[10] = {100.0, 80.0, 30.0, 50.5, 70.5, 20.0, 80.5, 82.0, 99.0, 72.5};
average(a, 10);
max(a, 10);
min(a, 10);
}

Answer 2

#include "Stdio.h"
#include "Conio.h"
#include "String.h"

void min(float ch[])
{
int j;
float minnum;
minnum=ch[0];
for(j=0;j<10;j++)
{
if(minnum>ch[j])
minnum=ch[j];
}
printf("MIN is %f\n",minnum);
}

void max(float ch[])
{
int j;
float maxnum;
maxnum=ch[0];
for(j=0;j<10;j++)
{
if(maxnum<ch[j])
maxnum=ch[j];
}
printf("MAX is %f\n",maxnum);
}

void average(float ch[])
{
int j;
float averagenum,allnum;
for(j=0;j<10;j++)
{
allnum+=ch[j];
}
averagenum=allnum/10;
printf("AVERAGE is %f\n",averagenum);
}
//main get 10 students'score
int main(void)
{
int i,k;

float ch[10];
printf("Please input 10 number:\n");

for(i=0;i<10;i++)
{
k=i;
do
{
if(i!=k)
printf("Please input between 1 and 100\n");
printf("number %d =",i+1);
scanf("%f",&ch[i]);
k++;

}while(ch[i]<0 || ch[i]>100);

}
for(i=0;i<10;i++)
{
printf("number %d = %f\n",i+1,ch[i]);
}
min(ch);
max(ch);
average(ch);
getch();
return 0;
}