1d array clear

This commit is contained in:
2020-04-20 20:43:48 +09:00
parent c3d8d721b3
commit 7c20c34a76
8 changed files with 41 additions and 4 deletions

View File

@@ -1,6 +1,3 @@
"""
"""
import math
r = int(input())
print("%.6f"%round(r**2*math.pi,6))