Farz0l1x

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Dec 18th, 2023
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  1. file = open('6A.txt')
  2. A = list(map(int, file.readlines()))
  3. count = 0
  4. for i in range(len(A)):
  5. for j in range(i + 1, len(A)):
  6. if (A[i] + A[j]) % 131 == 0:
  7. count += 1
  8. print(count)
  9.  
  10. file = open('6B.txt')
  11. A = list(map(int, file.readlines()))
  12. count = 0
  13. k = [0] * 131
  14. for i in range(len(A)):
  15. ost = (131 - A[i] % 131) % 131
  16. count += k[ost]
  17. k[A[i]%131] += 1
  18. print(count)
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