题解 | #搬圆桌#
搬圆桌
https://www.nowcoder.com/practice/81bb01ef2bb144808a8277e9164a0886
import math
def s(r,x,y,x1,y1):
d1 = (x1-x)**2+(y1-y)**2
d=math.sqrt(d1)
if d%(2*r)==0:
s1=d//(2*r)
else:
s1=d//(2*r)+1
return s1
while True:
try:
l=list(map(int,input().split()))
r,x,y,x1,y1=l[:]
print('%.0f' %s(r,x,y,x1,y1))
except:
break
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