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Problem1758--上机实验2.1:c语言实现输入半径r,输出面积s
1758: 上机实验2.1:c语言实现输入半径r,输出面积s
[Creator :
]
Time Limit :
300
sec
Memory Limit :
128 MB
Solved: 160
Submit: 557
Statistics
Description
输入一个半径r(实数),定义常量pi用3.14
输出面积s
Input
请输入半径值
Output
面积是
Sample Input
Copy
2 1.23
Sample Output
Copy
12.560000 4.750506
HINT
请输入半径r,求出面积s
Source/Category
C语言程序设计课程练习