Python3 题解 | 单组_spj判断浮点误差
单组_spj判断浮点误差
https://www.nowcoder.com/practice/6652094c6a0e4381911b541ed664d8b7
import sys
import math
r = float(sys.stdin.readline().strip())
ans = math.pi * (r ** 2)
print(f"{ans:.3f}")
单组_spj判断浮点误差
https://www.nowcoder.com/practice/6652094c6a0e4381911b541ed664d8b7
import sys
import math
r = float(sys.stdin.readline().strip())
ans = math.pi * (r ** 2)
print(f"{ans:.3f}")
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