include?<stdio.h>
/*?考慮一下哪個輸出該用無參函數(shù)哪個輸出該用有參函數(shù)呢？?*/
int?study(int?n)
{
????printf("%s\n","小明在慕課網(wǎng)上學(xué)習(xí)")；
????printf("小明在慕課網(wǎng)上已經(jīng)參與學(xué)習(xí)了%d們課程"，n);
????return?0;
}
int?main()
{
????study(5);
????return?0;
}