题解 | #挑7#
挑7
http://www.nowcoder.com/practice/ba241b85371c409ea01ac0aa1a8d957b
list1 = []
n = 30000
for i in range(1,n+1):
if '7' in list(str(i)):
list1.append(i)
if i%7 == 0 and i not in list1:
list1.append(i)
list1 = sorted(list1)
import bisect
while 1:
try:
a = int(input())
print(bisect.bisect(list1,a))
except:
break
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