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- from random import randint
- A = [randint(1, 1000) for i in range(100)]
- count = 0
- for i in range(len(A)):
- for j in range(i + 1, len(A)):
- if (A[i] * A[j]) % 7 == 0:
- count += 1
- print(count)
- k_7 = 0
- k = 0
- ans = 0
- for i in range(len(A)):
- if A[i] % 7 == 0:
- ans += k
- else:
- ans += k_7
- k += 1
- if A[i] % 7 == 0:
- k_7 += 1
- print(ans)
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