我是大一新生新学数组，编了一个计成绩的C语言程序，看不懂程序错在哪，请帮一下忙。谢谢！

Posted 2023-03-16

#include<stdio.h>
#define ARR_SIZE 30
int ReadScore(int num[], float score[]);
int GetFail(int num[], float score[], int n);
float GetAver(float score[], int n);
int GetAboveAver(int num[], float score[], int n);
void GetDetail(float score[], int n);

main()

int n, num[ARR_SIZE], fail, aboveAver;
float a;
float score[ARR_SIZE];

printf("Please enter num and score until score<0:\n");
n = ReadScore(num, score);
printf("Total students:%d\n", n);

fail = GetFail(num, score, n);
printf("Fail students = %d\n",fail);
a=GetAver( score, n);
printf("average is %f",a);
aboveAver = GetAboveAver(num, score,n,a);
printf("Above aver students = %d\n", aboveAver);

GetDetail(score, n);

int ReadScore(int num[],float score[])

int i,n;
printf("Please enter the num and score:");
for(i=1;i<=30;i++)

scanf("%d",&num[i]);
scanf("%f",&score[i]);
printf("%d,%-2f\n",num[i],score[i]);
if (score[i]<0)

break;

n++;

return n;


int GetFail(num,score,n)

int i,t=0;
for (i=1;i<=n;i++)

if(score[i]<60)

printf("%d-----%f\n",num[i],score[i]);
t++;


return t;

float GetAver(float score[], int n)

int i;
float sum=0,ave;
for(i=1;i<=n;i++)

sum=score[i]+sum;

ave=sum/n;
return ave;

int GetAboveAver(int num[], float score[], int n,int a)

int i,j;
for (i=1;i<=n;i++)

if (score[i]>a)

printf("%d------%d",num[i],score[i]);
j++;


return j;

void GetDetail(score[],int n)

int i;
float count[7]=0;
for (i=1;i<=n;i++)

if (score[i]<60)

count[1]++;

if (score[i]>60&&score[i]<69)

count[2]++;

if (score[i]>70&&score[i]<79)

count[3]++;

if (score[i]>80&&score[i]<89)

count[4]++;

if (score[i]>90&&score[i]<99)

count[5]++;

if (score[i]==100)

count[6]++;

printf("<60 %d %d\n", count[1], (count[1]/n)*100%);
printf("60-69 %d %d\n",count[2], (count[2]/n)*100%);
printf("70-79 %d %d\n",count[3], (count[3]/n)*100%);
printf("80-89 %d %d\n",count[4], (count[4]/n)*100%);
printf("90-99 %d %d\n",count[5], (count[5]/n)*100%);
printf("100 %d %d\n", count[6], (count[6]/n)*100%);

10 行左右改成 int main()
7行左右改成：int GetAboveAver(int num[], float score[], int n, int);
47行左右改成：int GetFail(int* num, float * score,int n)
84行最优，改成：void GetDetail(float score[],int n)
114到120行 100后面没百分号。
想想我大一的时候没这么勤奋啊，呵呵，加油啊。 参考技术A 数组都不懂，能写出这么长的程序？抄的吧……