练42.2 求绝对值
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说明
求实数的绝对值。
输入格式
输入一个实数 ，。
输出格式
输出它的绝对值，结果保留两位小数。
样例
-234.00234.00测试42
- Status
- Done
- Rule
- ACM/ICPC
- Problem
- 8
- Start at
- 2025-5-5 9:30
- End at
- 2025-5-5 14:30
- Duration
- 5 hour(s)
- Host
-
weilaicheng
- Partic.
- 6