| 123456789101112131415 |
- #!/usr/bin/env python3
- def nth_code(n):
- code = 20151125
- for i in range(n):
- code = code * 252533 % 33554393
- return code
- def code_index(row, col):
- left = col - 1
- right = row - 1
- left_bottom = col * left // 2
- right_top = row * right // 2 - right
- return row * col + left_bottom + right_top - 1
- print(nth_code(code_index(3010, 3019)))
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