说明
背诵那首广受欢迎的儿童重复歌谣的歌词：Ten Green Bottles。
注意，并不是每一段歌词都完全相同。
Ten green bottles hanging on the wall,
Ten green bottles hanging on the wall,
And if one green bottle should accidentally fall,
There'll be nine green bottles hanging on the wall.
Nine green bottles hanging on the wall,
Nine green bottles hanging on the wall,
And if one green bottle should accidentally fall,
There'll be eight green bottles hanging on the wall.
Eight green bottles hanging on the wall,
Eight green bottles hanging on the wall,
And if one green bottle should accidentally fall,
There'll be seven green bottles hanging on the wall.
Seven green bottles hanging on the wall,
Seven green bottles hanging on the wall,
And if one green bottle should accidentally fall,
There'll be six green bottles hanging on the wall.
Six green bottles hanging on the wall,
Six green bottles hanging on the wall,
And if one green bottle should accidentally fall,
There'll be five green bottles hanging on the wall.
Five green bottles hanging on the wall,
Five green bottles hanging on the wall,
And if one green bottle should accidentally fall,
There'll be four green bottles hanging on the wall.
Four green bottles hanging on the wall,
Four green bottles hanging on the wall,
And if one green bottle should accidentally fall,
There'll be three green bottles hanging on the wall.
Three green bottles hanging on the wall,
Three green bottles hanging on the wall,
And if one green bottle should accidentally fall,
There'll be two green bottles hanging on the wall.
Two green bottles hanging on the wall,
Two green bottles hanging on the wall,
And if one green bottle should accidentally fall,
There'll be one green bottle hanging on the wall.
One green bottle hanging on the wall,
One green bottle hanging on the wall,
And if one green bottle should accidentally fall,
There'll be no green bottles hanging on the wall.
输出格式
以空字符结尾的字符串输出歌词。
寄存器
| 寄存器 |
用途 |
类型 |
说明 |
$a0 |
输入 |
整数 |
起始瓶子数 |
$a1 |
输入 |
整数 |
取下的数量 |
$a2 |
输入/输出 |
地址 |
以空字符结尾的输出字符串 |
$t0-9 |
临时 |
任意 |
用于临时存储 |
