/249/5095/F0ep/hello.c:3:13: error: parameter 'n' has just a forward declaration
void ff(int n;int a[])
^
/249/5095/F0ep/hello.c: In function 'ff':
/249/5095/F0ep/hello.c:7:13: error: 'n' undeclared (first use in this function)
for(i=0;i
void ff(int n;int a[]) 改为 void ff(int n ,int a[])