我自己正在练习C中的递归,我在网上找到了这个例子。然而,有一件事我不明白。
void singSongFor(int numberOfBottles)
{
if (numberOfBottles == 0) {
printf("There are simply no more bottles of beer on the wall.\n\n");
}
else {
printf("%d bottles of beer on the wall. %d bottles of beer.\n",
numberOfBottles,