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- from random import randint
- A = [randint(1, 1000) for i in range(1000)]
- count = 0
- for i in range(len(A)):
- for j in range(i + 1, len(A)):
- if (A[i] + A[j]) % 127 == 0:
- count += 1
- print(count)
- k = [0] * 127
- n = len(A)
- for i in range(n):
- ost = A[i] % 127
- k[ost] += 1
- count = k[0] * (k[0] - 1) // 2
- for i in range(1, 64):
- count += k[i] * k[127 - i]
- print(count)
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