-
Notifications
You must be signed in to change notification settings - Fork 0
/
day13.py
executable file
·192 lines (169 loc) · 6.8 KB
/
day13.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
import numpy as np
def get_last_tile_id_position(output_vals, tile_id):
tile_id_list = output_vals[2::3]
last_ind = np.where([item==tile_id for item in tile_id_list])[0][-1]
return output_vals[last_ind*3+2-2]
def joystick_move(output_vals):
# set the input_value according to latest
# ball and paddle position
x_ball = get_last_tile_id_position(output_vals, 4)
x_paddle = get_last_tile_id_position(output_vals, 3)
if x_ball < x_paddle:
return -1
elif x_ball > x_paddle:
return 1
else:
return 0
# intcode computer function - from Day 9
# but modified for game interpretation
def intcode_computer(input_val, program, change_inputs=False):
halt = False
cnt = 0
output_vals = []
relative_base = 0
while halt == False:
optcode = program[cnt]
if optcode%10 == 3:
pointer_increase = 2
input_val = joystick_move(output_vals)
if str(optcode).zfill(2)[0] == '2':
program[program[cnt+1] + relative_base] = input_val
else:
program[program[cnt+1]] = input_val
elif optcode%10 == 4:
pointer_increase = 2
if str(optcode).zfill(2)[0]=='1':
# immediate mode
output_vals.append(program[cnt+1])
elif str(optcode).zfill(2)[0]=='0':
# parameter mode
output_vals.append(program[program[cnt+1]])
elif str(optcode).zfill(2)[0]=='2':
# relative mode
#output_vals.append(program[cnt+1] + relative_base)
output_vals.append(program[program[cnt+1] + relative_base])
else:
print('bad mode ' + str(optcode).zfill(2)[0])
# if len(output_vals)>=3 and len(output_vals)%3==0:
# if output_vals[-3]<0:
# input_val = -1
# elif output_vals[-3]>0:
# input_val = 1
# else:
# input_val = 0
elif optcode%10 in (1, 2):
pointer_increase = 4
if str(optcode).zfill(5)[2]=='0':
first = program[program[cnt+1]]
elif str(optcode).zfill(5)[2]=='1':
first = program[cnt+1]
elif str(optcode).zfill(5)[2]=='2':
# relative mode
first = program[program[cnt+1] + relative_base]
else:
print('bad mode ' + str(optcode).zfill(4)[1])
if str(optcode).zfill(5)[1]=='0':
second = program[program[cnt+2]]
elif str(optcode).zfill(5)[1]=='1':
second = program[cnt+2]
elif str(optcode).zfill(5)[1]=='2':
# relative mode
second = program[program[cnt+2] + relative_base]
else:
print('bad mode ' + str(optcode).zfill(4)[0])
if optcode%10 == 1:
if str(optcode).zfill(5)[0]=='2':
program[program[cnt+3] + relative_base] = first+second
else:
program[program[cnt+3]] = first + second
else:
if str(optcode).zfill(5)[0]=='2':
program[program[cnt+3] + relative_base] = first*second
else:
program[program[cnt+3]] = first*second
# part 2:
elif optcode%10 in (5, 6, 7, 8):
if str(optcode).zfill(5)[2]=='0':
first = program[program[cnt+1]]
elif str(optcode).zfill(5)[2]=='1':
first = program[cnt+1]
elif str(optcode).zfill(5)[2]=='2':
first = program[program[cnt+1] + relative_base]
else:
print('bad mode ' + str(optcode).zfill(4)[1])
if str(optcode).zfill(5)[1]=='0':
second = program[program[cnt+2]]
elif str(optcode).zfill(5)[1]=='1':
second = program[cnt+2]
elif str(optcode).zfill(5)[1]=='2':
second = program[program[cnt+2] + relative_base]
else:
print('bad mode ' + str(optcode).zfill(4)[0])
if optcode%10 == 5:
if first!=0:
cnt = second
continue
else:
pointer_increase = 3
elif optcode%10 == 6:
if first==0:
cnt = second
continue
else:
pointer_increase = 3
elif optcode%10 == 7:
pointer_increase = 4
if first<second:
if str(optcode).zfill(5)[0]=='2':
program[program[cnt+3] + relative_base] = 1
else:
program[program[cnt+3]] = 1
else:
if str(optcode).zfill(5)[0]=='2':
program[program[cnt+3] + relative_base] = 0
else:
program[program[cnt+3]] = 0
else:
pointer_increase = 4
if first == second:
if str(optcode).zfill(5)[0]=='2':
program[program[cnt+3] + relative_base] = 1
else:
program[program[cnt+3]] = 1
else:
if str(optcode).zfill(5)[0]=='2':
program[program[cnt+3] + relative_base] = 0
else:
program[program[cnt+3]] = 0
elif optcode%10==9 and optcode !=99:
#relative_base += program[cnt+1]
pointer_increase = 2
if str(optcode).zfill(2)[0] == '2':
relative_base += program[program[cnt+1] + relative_base]
elif str(optcode).zfill(2)[0] == '1':
relative_base += program[cnt+1]
else:
relative_base += program[program[cnt+1]]
elif optcode == 99:
halt = True
else:
print('Bad opt code ' + str(optcode) + \
' at position ' + str(cnt))
break
cnt += pointer_increase
return output_vals, program
f = open('input13.txt','r')
txt = f.read()
txt = txt.split('\n')
txt = txt[0].split(',')
puzzle_input = [int(a) for a in txt]
# increase memory:
puzzle_input += [0 for i in range(100000)]
# part 1:
output, program = intcode_computer(0, puzzle_input)
tile_ids = output[2::3]
print('part 1 output = ' + str(sum([item==2 for item in tile_ids])))
# part 2:
puzzle_input[0] = 2 # put 2 in 0 memory position
output, program = intcode_computer(0, puzzle_input, change_inputs=True)
print('part 2 answer = ' + str(output[-1]))