题解 | #挑7#
挑7
http://www.nowcoder.com/practice/ba241b85371c409ea01ac0aa1a8d957b
count=0
for i in range(1,n+1):
if str(i).find('7')!=-1 or i%7==0:
count+=1
print(count)
挑7
http://www.nowcoder.com/practice/ba241b85371c409ea01ac0aa1a8d957b
count=0
for i in range(1,n+1):
if str(i).find('7')!=-1 or i%7==0:
count+=1
print(count)
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