#42975: easy(python)
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2024-10-13 11:18:49
a121. 質數又來囉
| From: [101.137.167.169] |
Post Date
:
2024-10-13 11:41
ipline=input()
dlist=ipline.split()
a=int(dlist[0])
b=int(dlist[1])
n=int()
for i in range(a,b+1):
if i>1:
for j in range(2,i):
if i%j==0:
break
else:
n=n+1
print(n)
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