-
Notifications
You must be signed in to change notification settings - Fork 0
/
int_code.py
210 lines (183 loc) · 7.88 KB
/
int_code.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
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
# vi: set shiftwidth=4 tabstop=4 expandtab:
import datetime
import collections
def get_intcode_from_string(s):
return [int(v) for v in s.split(",")]
def get_intcode_from_file(file_path):
with open(file_path) as f:
for l in f:
return get_intcode_from_string(l)
def parse_op_code(op):
"""Return op, mode1, mode2, mode3."""
p100, de = divmod(op, 100)
p1000, c = divmod(p100, 10)
p10000, b = divmod(p1000, 10)
p100000, a = divmod(p10000, 10)
assert op == a * 10000 + b * 1000 + c * 100 + de
return de, c, b, a
def get_value(intcode, pos, mode, relative_base):
val = intcode[pos]
if mode == 0: # Position mode
return intcode[val]
elif mode == 1: # Immediate mode
return val
elif mode == 2: # Relative mode
return intcode[val + relative_base]
else:
assert False
def set_value(intcode, pos, mode, relative_base, value):
val = intcode[pos]
if mode == 0: # Position mode
intcode[val] = value
elif mode == 2: # Relative mode
intcode[val + relative_base] = value
else:
assert False
def get_values_from_pos(intcode, pos, modes, relative_base):
return [
get_value(intcode, pos + i, mode, relative_base)
for i, mode in enumerate(modes, start=1)
]
def run(intcode, input_=None):
intcode = collections.defaultdict(int, enumerate(intcode))
output = []
pos, relative_base = 0, 0
while True:
op, mode1, mode2, mode3 = parse_op_code(intcode[pos])
if op == 99:
final_intcode = [intcode[v] for v in range(max(intcode) + 1)]
return final_intcode, output
elif op == 1: # Addition
a, b = get_values_from_pos(intcode, pos, [mode1, mode2], relative_base)
set_value(intcode, pos + 3, mode3, relative_base, a + b)
pos += 4
elif op == 2: # Multiplication
a, b = get_values_from_pos(intcode, pos, [mode1, mode2], relative_base)
set_value(intcode, pos + 3, mode3, relative_base, a * b)
pos += 4
elif op == 3: # Save-input
assert input_ is not None
set_value(intcode, pos + 1, mode1, relative_base, input_)
pos += 2
elif op == 4: # Output
a = get_value(intcode, pos + 1, mode1, relative_base)
output.append(a)
pos += 2
elif op == 5: # Jump-if-true
a, b = get_values_from_pos(intcode, pos, [mode1, mode2], relative_base)
pos = b if a else pos + 3
elif op == 6: # Jump-if-false
a, b = get_values_from_pos(intcode, pos, [mode1, mode2], relative_base)
pos = b if not a else pos + 3
elif op == 7: # Less-then
a, b = get_values_from_pos(intcode, pos, [mode1, mode2], relative_base)
set_value(intcode, pos + 3, mode3, relative_base, 1 if a < b else 0)
pos += 4
elif op == 8: # Equals
a, b = get_values_from_pos(intcode, pos, [mode1, mode2], relative_base)
set_value(intcode, pos + 3, mode3, relative_base, 1 if a == b else 0)
pos += 4
elif op == 9: # Relative base
a = get_value(intcode, pos + 1, mode1, relative_base)
relative_base += a
pos += 2
else:
assert False
def run_verb_noun(intcode, noun, verb):
"""Specific to day 2 ?."""
intcode = list(intcode)
intcode[1] = noun
intcode[2] = verb
intcode, _ = run(intcode)
return intcode[0]
def run_diagnostic(intcode, input_):
"""Specific to day 5 ?."""
_, output = run(intcode, input_)
diag = [v for v in output if v != 0]
assert len(diag) == 1
return diag[0]
def run_tests_day2():
intcode = get_intcode_from_string("1,9,10,3,2,3,11,0,99,30,40,50")
assert run(intcode) == ([3500, 9, 10, 70, 2, 3, 11, 0, 99, 30, 40, 50], [])
assert run_verb_noun(intcode, 9, 10) == 3500
intcode = get_intcode_from_string("1,0,0,0,99")
assert run(intcode) == ([2, 0, 0, 0, 99], [])
assert run_verb_noun(intcode, 0, 0) == 2
intcode = get_intcode_from_string("2,3,0,3,99")
assert run(intcode) == ([2, 3, 0, 6, 99], [])
intcode = get_intcode_from_string("2,4,4,5,99,0")
assert run(intcode) == ([2, 4, 4, 5, 99, 9801], [])
intcode = get_intcode_from_string("1,1,1,4,99,5,6,0,99")
assert run(intcode) == ([30, 1, 1, 4, 2, 5, 6, 0, 99], [])
def run_tests_day5():
intcode = get_intcode_from_string("1002,4,3,4,33")
assert run(intcode) == ([1002, 4, 3, 4, 99], [])
intcode = get_intcode_from_string("1101,100,-1,4,0")
assert run(intcode) == ([1101, 100, -1, 4, 99], [])
intcode = get_intcode_from_string("3,9,8,9,10,9,4,9,99,-1,8")
assert run(intcode, 8) == ([3, 9, 8, 9, 10, 9, 4, 9, 99, 1, 8], [1])
assert run(intcode, 7) == ([3, 9, 8, 9, 10, 9, 4, 9, 99, 0, 8], [0])
intcode = get_intcode_from_string("3,9,7,9,10,9,4,9,99,-1,8")
assert run(intcode, 8) == ([3, 9, 7, 9, 10, 9, 4, 9, 99, 0, 8], [0])
assert run(intcode, 7) == ([3, 9, 7, 9, 10, 9, 4, 9, 99, 1, 8], [1])
intcode = get_intcode_from_string("3,3,1108,-1,8,3,4,3,99")
assert run(intcode, 8) == ([3, 3, 1108, 1, 8, 3, 4, 3, 99], [1])
assert run(intcode, 7) == ([3, 3, 1108, 0, 8, 3, 4, 3, 99], [0])
intcode = get_intcode_from_string("3,3,1107,-1,8,3,4,3,99")
assert run(intcode, 8) == ([3, 3, 1107, 0, 8, 3, 4, 3, 99], [0])
assert run(intcode, 7) == ([3, 3, 1107, 1, 8, 3, 4, 3, 99], [1])
intcode = get_intcode_from_string("3,12,6,12,15,1,13,14,13,4,13,99,-1,0,1,9")
assert run(intcode, 0) == (
[3, 12, 6, 12, 15, 1, 13, 14, 13, 4, 13, 99, 0, 0, 1, 9],
[0],
)
assert run(intcode, 1) == (
[3, 12, 6, 12, 15, 1, 13, 14, 13, 4, 13, 99, 1, 1, 1, 9],
[1],
)
intcode = get_intcode_from_string("3,3,1105,-1,9,1101,0,0,12,4,12,99,1")
assert run(intcode, 0) == ([3, 3, 1105, 0, 9, 1101, 0, 0, 12, 4, 12, 99, 0], [0])
assert run(intcode, 1) == ([3, 3, 1105, 1, 9, 1101, 0, 0, 12, 4, 12, 99, 1], [1])
intcode = get_intcode_from_string(
"3,21,1008,21,8,20,1005,20,22,107,8,21,20,1006,20,31,1106,0,36,98,0,0,1002,21,125,20,4,20,1105,1,46,104,999,1105,1,46,1101,1000,1,20,4,20,1105,1,46,98,99"
)
assert run(intcode, 7)[1] == [999]
assert run(intcode, 8)[1] == [1000]
assert run(intcode, 9)[1] == [1001]
def run_tests_day9():
intcode = get_intcode_from_string(
"109,1,204,-1,1001,100,1,100,1008,100,16,101,1006,101,0,99"
)
assert run(intcode)[1] == intcode
intcode = get_intcode_from_string("1102,34915192,34915192,7,4,7,99,0")
assert run(intcode)[1] == [1219070632396864]
intcode = get_intcode_from_string("104,1125899906842624,99")
assert run(intcode)[1] == [1125899906842624]
# More tests from Reddit: https://www.reddit.com/r/adventofcode/comments/e8aw9j/comment/fac3294/?utm_source=share&utm_medium=web2x&context=3
intcode = get_intcode_from_string("109,-1,4,1,99")
assert run(intcode)[1] == [-1]
intcode = get_intcode_from_string("109,-1,104,1,99")
assert run(intcode)[1] == [1]
intcode = get_intcode_from_string("109,-1,204,1,99")
assert run(intcode)[1] == [109]
intcode = get_intcode_from_string("109,1,9,2,204,-6,99")
assert run(intcode)[1] == [204]
intcode = get_intcode_from_string("109,1,109,9,204,-6,99")
assert run(intcode)[1] == [204]
intcode = get_intcode_from_string("109,1,209,-1,204,-106,99")
assert run(intcode)[1] == [204]
intcode = get_intcode_from_string("109,1,3,3,204,2,99")
assert run(intcode, 42)[1] == [42]
assert run(intcode, 314)[1] == [314]
intcode = get_intcode_from_string("109,1,203,2,204,2,99")
assert run(intcode, 42)[1] == [42]
assert run(intcode, 314)[1] == [314]
def run_tests():
run_tests_day2()
run_tests_day5()
run_tests_day9()
if __name__ == "__main__":
begin = datetime.datetime.now()
run_tests()
end = datetime.datetime.now()
print(end - begin)