题解 | #挑7#
挑7
https://www.nowcoder.com/practice/ba241b85371c409ea01ac0aa1a8d957b
n = int(input())
score = 0
def relative7(i):
if '7' in str(i):
return True
elif i % 7 == 0:
return True
else:
return False
for i in range(1, n+1):
if relative7(i):
score = score + 1
print(score)
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