空心矩形
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说明
如题，打印一个5*5的空心矩形。no input needed*****
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*****来源
基础练习-输入输出2026-1-7-吉利学院寒假实训周-上机实践-2
- Status
- Done
- Rule
- XCPC
- Problem
- 5
- Start at
- 2026-1-7 13:30
- End at
- 2026-1-7 16:30
- Duration
- 3 hour(s)
- Host
-
xinling
- Partic.
- 44