【例7.1】保留3位小数
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说明
读入一个浮点数,保留 位小数输出这个浮点数。
输入格式
只有一行,一个浮点数 ()。
输出格式
也只有一行,保留位小数的浮点数。
样例
12.34521
12.345
周六8:10测试
- Status
- Done
- Rule
- OI
- Problem
- 7
- Start at
- 2023-11-18 8:00
- End at
- 2023-11-18 11:00
- Duration
- 3 hour(s)
- Host
- Partic.
- 4