/* 这段程序无错误 */
#include <stdio.h>
int main(void)
{
    int n, n2, n3;//修正语法错误
    n = 5;
    n2 = n * n;
    n3 = n2 * n;//修正语义错误
    printf("n = %d, n squared = %d, n cubed = %d\n", n, n2, n3);//修正语法错误

    return 0;
}
/* 附上不能用来做变量名的关键字
auto break case char const continue default
do double else enum extern float for goto
if inline int long register restrict return
short signed sizeof static struct switch typedef
union unsigned void volatile _Bool _Complex _Generic
_Imaginary _Noreturn _Static_assert _Thread_local*/