为什么会runtime error

Question

#include <stdio.h>
#include <stdlib.h>
#define STUD_N 40
#define COURSE_N 3
int ReadScore(int score[][COURSE_N],char num[][10]);
void AverforStud(int score[][COURSE_N],int sum[],float aver[],int n);
void AverforCourse(int score[][COURSE_N],int sum[],float aver[],int n);
void Print(int score[][COURSE_N],char num[],int sumS[],float averS[],int sunC[],float averC[],int n);
int main(void)
{
int score[STUD_N][COURSE_N],sumS[STUD_N],sumC[COURSE_N],n;
char num[STUD_N][10];
float averS[STUD_N],averC[COURSE_N];
n=ReadScore(score,num);
AverforStud(score,sumS,averS,n);
AverforCourse(score,sumC,averC,n);
Print(score,num,sumS,averS,sumC,averC,n);
return 0;
}
int ReadScore(int score[][COURSE_N],char num[][10])
{
int i,j,temp,n;
printf("Input the total number of the students(n<=40):\n");
scanf("%d",&n);
printf("Input student's ID and score as: MT EN PH:\n");
for(i=0;i<n;i++)
{
getchar();
for(temp=0;temp<9;temp++)
{
scanf("%c",&num[i][temp]);
}
num[i][temp]='\0';
for(j=0;j<COURSE_N;j++)
{
scanf("%d",&score[i][j]);
}
}
return i;
}
void AverforStud(int score[][COURSE_N],int sum[],float aver[],int n)
{
int i,j;
for(i=0;i<n;i++)
{
sum[i]=0;
for(j=0;j<COURSE_N;j++)
{
sum[i]=sum[i]+score[i][j];
}
aver[i]=(float)sum[i]/COURSE_N;
}
}
void AverforCourse(int score[][COURSE_N],int sum[],float aver[],int n)
{
int i,j;
for(j=0;j<COURSE_N;j++)
{
sum[j]=0;
for(i=0;i<n;i++)
{
sum[j]=sum[j]+score[i][j];
}
aver[j]=(float)sum[j]/n;
}
}
void Print(int score[][COURSE_N],char num[],int sumS[],float averS[],int sumC[],float averC[],int n)
{
int i,j;
printf("Counting Result:\n");
printf("Student’s ID\t MT \t EN \t PH \t SUM \t AVER\n");
for(i=0;i<n;i++)
{
printf("%12s\t",num[i]);
for(j=0;j<COURSE_N;j++)
{
printf("%4d\t",score[i][j]);
}
printf("%4d\t%5.1f\n",sumS[i],averS[i]);
}
printf("SumorCourse \t");
for(j=0;j<COURSE_N;j++)
{
printf("%4d\t",sumC[j]);
}
printf("\nAverofCourse\t");
for(j=0;j<COURSE_N;j++)
{
printf("%4.1f\t",averC[j]);
}
printf("\n");
}

Answer 1

void Print(int score[][COURSE_N],char num[],int sumS[],float averS[],int sumC[],float averC[],int n)
改成
void Print(int score[][COURSE_N],char num[][10],int sumS[],float averS[],int sumC[],float averC[],int n)

#include <stdio.h>
#include <stdlib.h>
#define STUD_N 40
#define COURSE_N 3
int ReadScore(int score[][COURSE_N],char num[][10]);
void AverforStud(int score[][COURSE_N],int sum[],float aver[],int n);
void AverforCourse(int score[][COURSE_N],int sum[],float aver[],int n);
void Print(int score[][COURSE_N],char num[][10],int sumS[],float averS[],int sunC[],float averC[],int n);
int main(void)
{
    int score[STUD_N][COURSE_N],sumS[STUD_N],sumC[COURSE_N],n;
    char num[STUD_N][10];
    float averS[STUD_N],averC[COURSE_N];
    n=ReadScore(score,num);
    AverforStud(score,sumS,averS,n);
    AverforCourse(score,sumC,averC,n);
    Print(score,num,sumS,averS,sumC,averC,n);
    return 0;
}
int ReadScore(int score[][COURSE_N],char num[][10])
{
    int i,j,temp,n;
    printf("Input the total number of the students(n<=40):\n");
    scanf("%d",&n);
    printf("Input student's ID and score as: MT EN PH:\n");
    for(i=0; i<n; i++)
    {
        getchar();
        for(temp=0; temp<9; temp++)
        {
            scanf("%c",&num[i][temp]);
        }
        num[i][temp]='\0';
        for(j=0; j<COURSE_N; j++)
        {
            scanf("%d",&score[i][j]);
        }
    }
    return i;
}
void AverforStud(int score[][COURSE_N],int sum[],float aver[],int n)
{
    int i,j;
    for(i=0; i<n; i++)
    {
        sum[i]=0;
        for(j=0; j<COURSE_N; j++)
        {
            sum[i]=sum[i]+score[i][j];
        }
        aver[i]=(float)sum[i]/COURSE_N;
    }
}
void AverforCourse(int score[][COURSE_N],int sum[],float aver[],int n)
{
    int i,j;
    for(j=0; j<COURSE_N; j++)
    {
        sum[j]=0;
        for(i=0; i<n; i++)
        {
            sum[j]=sum[j]+score[i][j];
        }
        aver[j]=(float)sum[j]/n;
    }
}
void Print(int score[][COURSE_N],char num[][10],int sumS[],float averS[],int sumC[],float averC[],int n)
{
    int i,j;
    printf("Counting Result:\n");
    printf("Student’s ID\t MT \t EN \t PH \t SUM \t AVER\n");
    for(i=0; i<n; i++)
    {
        printf("%12s\t",num[i]);
        for(j=0; j<COURSE_N; j++)
        {
            printf("%4d\t",score[i][j]);
        }
        printf("%4d\t%5.1f\n",sumS[i],averS[i]);
    }
    printf("SumorCourse \t");
    for(j=0; j<COURSE_N; j++)
    {
        printf("%4d\t",sumC[j]);
    }
    printf("\nAverofCourse\t");
    for(j=0; j<COURSE_N; j++)
    {
        printf("%4.1f\t",averC[j]);
    }
    printf("\n");
}