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  1. arr = [
  2.     "00111111", "01010010", "01101001", "00000100", "00111000", "01010101", "01111101",
  3.     "00010010", "00010011", "00011111", "01101101", "01100110", "00111111", "00100111",
  4.     "00110011", "00100011", "00001110", "00100011", "00010010", "00101000", "01111100",
  5.     "01010101", "00011101", "00100010", "01101000", "01111110", "01111011", "01101100",
  6.     "01101011", "01000101", "00001101", "00100010", "01101000", "00000000", "01000111",
  7.     "00010100", "00001101", "00111100", "01100111", "01101101", "01101001", "01111011",
  8.     "00111010", "00111110", "00011001", "00000001", "00110000", "00101000", "00001001",
  9.     "00001110", "00111110", "00010011", "00001001", "00111011", "00110000", "00110100",
  10.     "00111000", "00101000", "00101000", "00001110", "00111100", "00010110", "00101000",
  11.     "00101011", "00001010", "01110010", "01010011", "00110011", "01100111", "01111111",
  12.     "00110101", "00100010", "00001101", "01100010", "01011111", "00110000", "00000010",
  13.     "01101000", "00001101",
  14. ]
  15.  
  16. flag = "T"
  17. # result = ""
  18. # print(format(ord("N"), "08b"))
  19. # print(chr(int(format(ord("N"), "08b"),2)^int(arr[0], 2)))
  20.  
  21. for i, bin_str in enumerate(arr):
  22.     # Get binary of current flag character (cyclic if needed)
  23.     flag_bin = format(ord(flag[i]), "08b")
  24.  
  25.     # XOR as integers
  26.     xor_result = int(flag_bin, 2) ^ int(bin_str, 2)
  27.  
  28.     # Append XORed character
  29.     flag += chr(xor_result)
  30.  
  31.  
  32. print(flag)
Success #stdin #stdout 0.03s 63656KB
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Tk9PTl9DVEZ7QnIzYWtfN2gzX0N5Y2wzX00wcnR5X1JpNWVfNGIwdmVfRjBjdXNfMG5fU2MxZW5jZX0=
https://ideone.com/BfG8s3
language:
Python (PyPy 2.7.13)
created:
11 days ago
visibility:
public

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