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求绝对值

Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)
Total Submission(s): 265948 Accepted Submission(s): 128309

Problem Description

求实数的绝对值。

Input

输入数据有多组，每组占一行，每行包含一个实数。

Output

对于每组输入数据，输出它的绝对值，要求每组数据输出一行，结果保留两位小数。

Sample Input

123
-234.00

Sample Output

123.00
234.00

Author

lcy

Source

C语言程序设计练习（一）

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