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- file = open('3A.txt')
- A = list(map(int, file.readlines()))
- count = 0
- for i in range(len(A)):
- for j in range(i + 1, len(A)):
- if (A[i] * A[j]) % 65 == 0:
- count += 1
- print(count)
- file = open('3B.txt')
- A = list(map(int, file.readlines()))
- k5, k13, k65 = 0, 0, 0
- count = 0
- for i in range(len(A)):
- if A[i] % 65 == 0:
- count += i
- elif A[i] % 13 == 0:
- count += k5
- elif A[i] % 5 == 0:
- count += k13
- else:
- count += k65
- if A[i] % 5 == 0:
- k5 += 1
- if A[i] % 13 == 0:
- k13 += 1
- if A[i] % 65 == 0:
- k65 += 1
- print(count)
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