| 0,0 → 1,25 |
|---|
| if __name__ == '__main__': |
| arrays = [ |
| [0,0,0,0,0],[0,0,0,0,1],[0,0,0,1,0],[0,0,0,1,1], |
| [0,0,1,0,0],[0,0,1,0,1],[0,0,1,1,0],[0,0,1,1,1], |
| [0,1,0,0,0],[0,1,0,0,1],[0,1,0,1,0],[0,1,0,1,1], |
| [0,1,1,0,0],[0,1,1,0,1],[0,1,1,1,0],[0,1,1,1,1], |
| [1,0,0,0,0],[1,0,0,0,1],[1,0,0,1,0],[1,0,0,1,1], |
| [1,0,1,0,0],[1,0,1,0,1],[1,0,1,1,0],[1,0,1,1,1], |
| [1,1,0,0,0],[1,1,0,0,1],[1,1,0,1,0],[1,1,0,1,1], |
| [1,1,1,0,0],[1,1,1,0,1],[1,1,1,1,0],[1,1,1,1,1]] |
| |
| # Iterate through each possible initialization vector |
| for array in arrays: |
| # Calculate the resulting array up to 64 places |
| for i in range(200): |
| array.append((array[i] + array[i+1]) % 2) |
| |
| # Find equal consecutive arrays |
| for period in range(5,100): |
| array1 = array[0:period] |
| array2 = array[period:2*period] |
| # If match, print out array and period |
| if array1 == array2: |
| print array[0:5], '=', array1, "; Period =", period |
| break |