error C2105: '++' needs l-value

Question

#include "stdio.h"

void main()
{
FILE* fp;

int n[100];

int t=0;

if((fp=fopen("test.txt","r"))==NULL)

{

printf("失败\n");
}

while(!feof(fp))

{
fscanf(fp,"%d",&n++);
}

fclose(fp);
}

Answer 1

int i = 0;
while(!feof(fp))
fscanf(fp,"%d",&n[i++]);