|
| 1 | +# -------------------------------- Input data -------------------------------- # |
| 2 | +importos,drawing |
| 3 | + |
| 4 | +test_data= {} |
| 5 | + |
| 6 | +test=1 |
| 7 | +test_data[test]= {"input":"""..# |
| 8 | +#.. |
| 9 | +...""", |
| 10 | +"expected": ['Unknown','Unknown'], |
| 11 | + } |
| 12 | + |
| 13 | +test='real' |
| 14 | +input_file=os.path.join(os.path.dirname(__file__),'Inputs',os.path.basename(__file__).replace('.py','.txt')) |
| 15 | +test_data[test]= {"input":open(input_file,"r+").read().strip(), |
| 16 | +"expected": ['5182','2512008'], |
| 17 | + } |
| 18 | + |
| 19 | +# -------------------------------- Control program execution -------------------------------- # |
| 20 | + |
| 21 | +case_to_test='real' |
| 22 | +part_to_test=2 |
| 23 | +verbose_level=1 |
| 24 | + |
| 25 | +# -------------------------------- Initialize some variables -------------------------------- # |
| 26 | + |
| 27 | +puzzle_input=test_data[case_to_test]['input'] |
| 28 | +puzzle_expected_result=test_data[case_to_test]['expected'][part_to_test-1] |
| 29 | +puzzle_actual_result='Unknown' |
| 30 | + |
| 31 | + |
| 32 | +# -------------------------------- Actual code execution -------------------------------- # |
| 33 | + |
| 34 | +defturn_left (direction): |
| 35 | +return (direction[1],-direction[0]) |
| 36 | + |
| 37 | +defturn_right (direction): |
| 38 | +return (-direction[1],direction[0]) |
| 39 | + |
| 40 | +ifpart_to_test==1: |
| 41 | +grid=drawing.text_to_grid (puzzle_input) |
| 42 | +position= (len(puzzle_input.split('\n'))//2,len(puzzle_input.split('\n'))//2) |
| 43 | +direction= (0,-1) |
| 44 | +new_infections=0 |
| 45 | + |
| 46 | +foriinrange (10**4): |
| 47 | +ifpositioningrid: |
| 48 | +ifgrid[position]=='.': |
| 49 | +direction=turn_left(direction) |
| 50 | +grid[position]='#' |
| 51 | +new_infections+=1 |
| 52 | +else: |
| 53 | +direction=turn_right(direction) |
| 54 | +grid[position]='.' |
| 55 | +else: |
| 56 | +direction=turn_left(direction) |
| 57 | +grid[position]='#' |
| 58 | +new_infections+=1 |
| 59 | + |
| 60 | +position= (position[0]+direction[0],position[1]+direction[1]) |
| 61 | + |
| 62 | +puzzle_actual_result=new_infections |
| 63 | + |
| 64 | + |
| 65 | + |
| 66 | +else: |
| 67 | +grid=drawing.text_to_grid (puzzle_input) |
| 68 | +position= (len(puzzle_input.split('\n'))//2,len(puzzle_input.split('\n'))//2) |
| 69 | +direction= (0,-1) |
| 70 | +new_infections=0 |
| 71 | + |
| 72 | +foriinrange (10**7): |
| 73 | +ifpositioningrid: |
| 74 | +ifgrid[position]=='.': |
| 75 | +direction=turn_left(direction) |
| 76 | +grid[position]='W' |
| 77 | +elifgrid[position]=='W': |
| 78 | +grid[position]='#' |
| 79 | +new_infections+=1 |
| 80 | +elifgrid[position]=='#': |
| 81 | +direction=turn_right(direction) |
| 82 | +grid[position]='F' |
| 83 | +else: |
| 84 | +direction=turn_right(turn_right(direction)) |
| 85 | +grid[position]='.' |
| 86 | +else: |
| 87 | +direction=turn_left(direction) |
| 88 | +grid[position]='W' |
| 89 | + |
| 90 | +position= (position[0]+direction[0],position[1]+direction[1]) |
| 91 | + |
| 92 | +puzzle_actual_result=new_infections |
| 93 | + |
| 94 | + |
| 95 | + |
| 96 | + |
| 97 | +# -------------------------------- Outputs / results -------------------------------- # |
| 98 | + |
| 99 | +ifverbose_level>=3: |
| 100 | +print ('Input : '+puzzle_input) |
| 101 | +print ('Expected result : '+str(puzzle_expected_result)) |
| 102 | +print ('Actual result : '+str(puzzle_actual_result)) |
| 103 | + |
| 104 | + |
| 105 | + |
| 106 | + |