【例2.1】Hello World

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说明

输出著名短句"hello world"。

输入格式

输出格式

输出"hello world"。

样例

hello world

202402240000

Not Attended
Status
Done
Rule
ACM/ICPC
Problem
22
Start at
2024-2-24 13:00
End at
2024-2-24 15:30
Duration
2.5 hour(s)
Host
Partic.
9