|
| 1 | +# -------------------------------- Input data -------------------------------- # |
| 2 | +importos,parse,pathfinding |
| 3 | + |
| 4 | +test_data= {} |
| 5 | + |
| 6 | +test=1 |
| 7 | +test_data[test]= {"input":"""position=< 9, 1> velocity=< 0, 2> |
| 8 | +position=< 7, 0> velocity=<-1, 0> |
| 9 | +position=< 3, -2> velocity=<-1, 1> |
| 10 | +position=< 6, 10> velocity=<-2, -1> |
| 11 | +position=< 2, -4> velocity=< 2, 2> |
| 12 | +position=<-6, 10> velocity=< 2, -2> |
| 13 | +position=< 1, 8> velocity=< 1, -1> |
| 14 | +position=< 1, 7> velocity=< 1, 0> |
| 15 | +position=<-3, 11> velocity=< 1, -2> |
| 16 | +position=< 7, 6> velocity=<-1, -1> |
| 17 | +position=<-2, 3> velocity=< 1, 0> |
| 18 | +position=<-4, 3> velocity=< 2, 0> |
| 19 | +position=<10, -3> velocity=<-1, 1> |
| 20 | +position=< 5, 11> velocity=< 1, -2> |
| 21 | +position=< 4, 7> velocity=< 0, -1> |
| 22 | +position=< 8, -2> velocity=< 0, 1> |
| 23 | +position=<15, 0> velocity=<-2, 0> |
| 24 | +position=< 1, 6> velocity=< 1, 0> |
| 25 | +position=< 8, 9> velocity=< 0, -1> |
| 26 | +position=< 3, 3> velocity=<-1, 1> |
| 27 | +position=< 0, 5> velocity=< 0, -1> |
| 28 | +position=<-2, 2> velocity=< 2, 0> |
| 29 | +position=< 5, -2> velocity=< 1, 2> |
| 30 | +position=< 1, 4> velocity=< 2, 1> |
| 31 | +position=<-2, 7> velocity=< 2, -2> |
| 32 | +position=< 3, 6> velocity=<-1, -1> |
| 33 | +position=< 5, 0> velocity=< 1, 0> |
| 34 | +position=<-6, 0> velocity=< 2, 0> |
| 35 | +position=< 5, 9> velocity=< 1, -2> |
| 36 | +position=<14, 7> velocity=<-2, 0> |
| 37 | +position=<-3, 6> velocity=< 2, -1>""", |
| 38 | +"expected": ['Unknown','Unknown'], |
| 39 | + } |
| 40 | + |
| 41 | +test='real' |
| 42 | +input_file=os.path.join(os.path.dirname(__file__),'Inputs',os.path.basename(__file__).replace('.py','.txt')) |
| 43 | +test_data[test]= {"input":open(input_file,"r+").read().strip(), |
| 44 | +"expected": ['RLEZNRAN','10240'], |
| 45 | + } |
| 46 | + |
| 47 | +# -------------------------------- Control program execution -------------------------------- # |
| 48 | + |
| 49 | +case_to_test='real' |
| 50 | +part_to_test=1 |
| 51 | + |
| 52 | +# -------------------------------- Initialize some variables -------------------------------- # |
| 53 | + |
| 54 | +puzzle_input=test_data[case_to_test]['input'] |
| 55 | +puzzle_expected_result=test_data[case_to_test]['expected'][part_to_test-1] |
| 56 | +puzzle_actual_result='Unknown' |
| 57 | + |
| 58 | + |
| 59 | +# -------------------------------- Actual code execution -------------------------------- # |
| 60 | +stars= [] |
| 61 | +forstringinpuzzle_input.split('\n'): |
| 62 | +ifstring=='': |
| 63 | +continue |
| 64 | +r=parse.parse('position=<{:>d},{:>d}> velocity=<{:>d},{:>d}>',string) |
| 65 | +stars.append(list(map(int,r))) |
| 66 | + |
| 67 | +star_map=pathfinding.Graph() |
| 68 | +foriinrange (2*10**4): |
| 69 | +stars= [(x+vx,y+vy,vx,vy)forx,y,vx,vyinstars] |
| 70 | +vertices= [(x,y)forx,y,vx,vyinstars] |
| 71 | + |
| 72 | + |
| 73 | +# This was solved a bit manually |
| 74 | +# I noticed all coordinates would converge around 0 at some point |
| 75 | +# That point was around 10300 seconds |
| 76 | +# Then made a limit: all coordinates should be within 300 from zero |
| 77 | +# (my first test was actually 200, but that was gave no result) |
| 78 | +# This gave ~ 20 seconds of interesting time |
| 79 | +# At the end it was trial and error to find 10 240 |
| 80 | +coords= [v[0]inrange(-300,300)forvinvertices]+ [v[1]inrange(-300,300)forvinvertices] |
| 81 | + |
| 82 | +ifall(coords)andi==10239: |
| 83 | +star_map.vertices=vertices |
| 84 | +print (i+1) |
| 85 | +print (star_map.vertices_to_grid(wall=' ')) |
| 86 | + |
| 87 | + |
| 88 | + |
| 89 | + |
| 90 | +# -------------------------------- Outputs / results -------------------------------- # |
| 91 | + |
| 92 | +print ('Expected result : '+str(puzzle_expected_result)) |
| 93 | +print ('Actual result : '+str(puzzle_actual_result)) |
| 94 | + |
| 95 | + |
| 96 | + |
| 97 | + |