#include?<stdio.h>
int?WU()
{
????printf("%s\n","小明在慕課網(wǎng)上學(xué)習(xí)")；????
????return?0;
}
int?YOU(int?n)
{
????printf("小明在慕課網(wǎng)上已經(jīng)參與學(xué)習(xí)了%d門(mén)課程",n)；
???
????return?0;????
}
int?main()
{
????WU();
????YOU(5);
????return?0;
}