| # -*- coding: utf-8 -*- | |
| h = type("", (), {}) | |
| a = "__gt__" | |
| c = type("Scissors", (h,), {a: lambda a,c: o(c,k)}) | |
| k = type("Paper", (h,), {a: lambda c,k: o(k,f)}) | |
| f = type("Rock", (h,), {a: lambda h,a: o(a,c)}) | |
| o = isinstance | |
| r = {c.__name__.lower():c for c in h.__subclasses__()} | |
| u = None | |
| m = lambda r: __import__(r) |
| def get_candidate_boards(board): | |
| boards = [] | |
| queen_locations = [(x, y) for x in range(len(board)) for y in range(len(board)) if board[x][y] == "Q"] | |
| left_diagonals = [(x-y, 0) for (x, y) in queen_locations] | |
| right_diagonals = [(x+y, 0) for (x, y) in queen_locations] | |
| for x, y in ((x, y) for x in range(len(board)) for y in range(len(board)) if board[x][y] != "Q"): | |
| temp_board = board[:x] + [board[x][:y] + ["Q"] + board[x][y+1:]] + board[x+1:] | |
| valid_cols = all(col.count("Q") < 2 for col in temp_board) | |
| valid_rows = all(row.count("Q") < 2 for row in zip(*temp_board)) |
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| $ openssl s_client -connect level06-2.stripe-ctf.com:443 | |
| CONNECTED(00000003) | |
| depth=2 C = US, O = DigiCert Inc, OU = www.digicert.com, CN = DigiCert High Assurance EV Root CA | |
| verify error:num=20:unable to get local issuer certificate | |
| verify return:0 | |
| --- | |
| Certificate chain | |
| 0 s:/C=US/ST=California/L=San Francisco/O=Stripe, Inc./OU=Security Department/CN=*.stripe-ctf.com | |
| i:/C=US/O=DigiCert Inc/OU=www.digicert.com/CN=DigiCert High Assurance CA-3 | |
| 1 s:/C=US/O=DigiCert Inc/OU=www.digicert.com/CN=DigiCert High Assurance CA-3 |