#3270. C++-初识C++-设置变量a=5.5,b=6.7,c=9.3, 输出式子-b+4ac/4*a的值，保留小数点5位
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ID: 3270
Type: Default
1000ms
256MiB
Tried: 13
Accepted: 5
Difficulty: 9
Uploaded By:
编创小匠 (paifuture)
C++-初识C++-设置变量a=5.5,b=6.7,c=9.3, 输出式子-b+4ac/4*a的值，保留小数点5位
Background
Description
设置变量a=5.5,b=6.7,c=9.3, 输出式子-b+4ac/4*a的值，保留小数点5位
Format
Input
Output
Samples
274.62500
Limitation
1s, 1024KiB for each test case.