题解 | #挑7#
挑7
https://www.nowcoder.com/practice/ba241b85371c409ea01ac0aa1a8d957b
n = int(input()) c = 0 for i in range(1,n+1): #1 2 3 4 5 if '7' in str(i) or i%7 == 0: c += 1 print(c)
挑7
https://www.nowcoder.com/practice/ba241b85371c409ea01ac0aa1a8d957b
n = int(input()) c = 0 for i in range(1,n+1): #1 2 3 4 5 if '7' in str(i) or i%7 == 0: c += 1 print(c)
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