这个代码无法正常运行

#include<stdio.h>
int main()
{
void avsco(float , float * );
void avcourl(char( * )[10], float * );
void fali2(char course[5][10], int num[ ], float * pscore, float aver[4]);
void good(char course[5][10], int num[4], float * pscore, float aver[4]);
int i,j, * pnum, num[4];
float score[4][5],aver[4], pscore,* paver;
char course[5][10],( * pcourse)[10];
printf("input course:\n");
pcourse = course;
for (i = 0;i<5;i++)
scanf_s("%s",course[i]);
printf("input NO. and scores;\n");
printf("NO.");
for (i = 0;i < 5;i++)
printf(",%s", course[i]);
printf("\n");
pscore = &score[0][0];
pnum = &num[0];
for (i = 0;i < 4;i++)
{
scanf_s("%d", pnum + i);
for (j = 0;j < 5;j++)
scanf_s("%f", pscore + 5 * i + j);
}
paver = &aver[0];
printf("\n\n");
avsco(pscore, paver);
avcourl(pcourse, pscore);
printf("\n\n");
fali2(pcourse, pnum, pscore, paver);
printf("\n\n");
good(pcourse, pnum, pscore, paver);
return 0;
}
void avsco(float* pscore, float* paver)
{
int i, j;
float sum, average;
for (i = 0;i < 4;i++)
{
sum = 0.0;
for (j = 0;j < 5;j++)
sum = sum + (*(pscore+5 * i + j));
average = sum / 5;
*(paver + i) = average;
}
}
void avcourl(char(*pcourse)[10], float* pscore)
{
int i;
float sum, averagel;
sum = 0.0;for (i = 0;i < 4;i++)
sum = sum + (*(pscore + 5 * i));
averagel = sum / 4;
printf("course 1:%s average score:%7.2fn", *pcourse, averagel);
}
void fali2(char course[5][10], int num[], float* pscore, float aver[4])
{
int i, j, k, label;
printf(" ============= Student who is fail in two courses ===========\n");
printf("NO.");
for (i = 0;i < 5;i++)
printf("%11s", course[i]);
printf(" average\n");
for (i = 0;i < 4;i++)
{
label = 0;
for (j = 0;j < 5;j++)
if (*(pscore + 5 * i + j) < 60.0)label++;
if (label >= 2)
{
printf("%d", num[i]);
for (k = 0;k < 5;k++)
printf("%11.2f", *(pscore + 5 * i + k));
printf("%11.2fn", aver[i]);
}
}
}
void good(char course[5][10], int num[4], float* pscore, float aver[4])
{
int i, j, k, n;
printf("======Students whose score is good======\n");
printf("NO.");
for (i = 0;i < 5;i++)
printf("%11s", course[i]);
printf(" average\n");
for (i = 0;i < 4;i++)
{
n = 0;
for (j = 0;j < 5;j++)
if (*(pscore + 5 * i + j) > 85.0)n++;
if ((n == 5) || (aver[i] >= 90))
{
printf("%d", num[i]);
for (k = 0;k < 5;k++)
printf("%11.2f", *(pscore + 5 * i + k));
printf("%11.2f\n", aver[i]);
}
}
}