#!/usr/bin/env python3
# -*- coding: utf-8 -*-
from itertools import count
from comp import Comp
# part 1
c = 0
for x in range(50):
for y in range(50):
cmp = Comp(fname='inp.txt')
c += cmp.add_inputs([x, y]).last_outputs[0]
print(c)
# part 2
def ib(x, y):
return bool(Comp(fname='inp.txt').add_inputs([x, y]).last_outputs[0])
x, y = 1000, 1000
for x in count(x):
if ib(x, y):
break
old = x, y
while True:
for y in count(y, -1):
if not ib(x + 99, y - 100):
break
for x in count(x, -1):
# part 1
cmp = Comp(fin='inp.txt')
out = cmp.outputs
print(sum(out[i * 3 + 2] == 2 for i in range(len(out) // 3)))
# part 2
def sign(a):
if a == 0:
return 0
return 1 if a > 0 else -1
with open('inp.txt') as fin:
ops = [int(e) for e in fin.read().strip().split(',')]
ops[0] = 2
cmp = Comp(ops=ops).add_inputs([0, 0, 0])
while True:
out = cmp.outputs
sb = {(out[i * 3], out[i * 3 + 1]): out[i * 3 + 2] for i in range(len(out) // 3)}
if not any(v == 2 for v in sb.values()):
break
paddle = [k for k, v in sb.items() if v == 3][0]
ball = [k for k, v in sb.items() if v == 4][0]
cmp.add_inputs([sign(ball[0] - paddle[0])])
print(sb[(-1, 0)])
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
from collections import defaultdict
from comp import Comp
DRS = {0: (0, 1), 1: (1, 0), 2: (0, -1), 3: (-1, 0)}
# part 1
locs = defaultdict(int)
cmp = Comp(fin='inp.txt')
cloc, cdr = (0, 0), 0
while True:
locs[cloc], turn = cmp.add_inputs([locs[cloc]]).last_outputs
if cmp.is_finished:
break
cdr = (cdr + turn * 2 - 1) % 4
cloc = cloc[0] + DRS[cdr][0], cloc[1] + DRS[cdr][1]
print(len(locs))
# part 2
locs = defaultdict(int)
cmp = Comp(fin='inp.txt')
cloc, cdr = (0, 0), 0
locs[cloc] = 1
while True:
locs[cloc], turn = cmp.add_inputs([locs[cloc]]).last_outputs
if cmp.is_finished:
break
cdr = (cdr + turn * 2 - 1) % 4
