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07_1.py
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#!/usr/bin/env python3
puzzle_input = "3,8,1001,8,10,8,105,1,0,0,21,38,47,64,89,110,191,272,353,434,99999,3,9,101,4,9,9,102,3,9,9,101,5,9,9,4,9,99,3,9,1002,9,5,9,4,9,99,3,9,101,2,9,9,102,5,9,9,1001,9,5,9,4,9,99,3,9,1001,9,5,9,102,4,9,9,1001,9,5,9,1002,9,2,9,1001,9,3,9,4,9,99,3,9,102,2,9,9,101,4,9,9,1002,9,4,9,1001,9,4,9,4,9,99,3,9,101,1,9,9,4,9,3,9,101,1,9,9,4,9,3,9,1002,9,2,9,4,9,3,9,102,2,9,9,4,9,3,9,101,2,9,9,4,9,3,9,101,1,9,9,4,9,3,9,1001,9,2,9,4,9,3,9,102,2,9,9,4,9,3,9,1001,9,1,9,4,9,3,9,101,2,9,9,4,9,99,3,9,101,2,9,9,4,9,3,9,1002,9,2,9,4,9,3,9,102,2,9,9,4,9,3,9,101,2,9,9,4,9,3,9,1002,9,2,9,4,9,3,9,101,2,9,9,4,9,3,9,1002,9,2,9,4,9,3,9,101,2,9,9,4,9,3,9,1001,9,2,9,4,9,3,9,102,2,9,9,4,9,99,3,9,1001,9,2,9,4,9,3,9,1001,9,2,9,4,9,3,9,101,1,9,9,4,9,3,9,1001,9,1,9,4,9,3,9,1001,9,1,9,4,9,3,9,1002,9,2,9,4,9,3,9,102,2,9,9,4,9,3,9,1002,9,2,9,4,9,3,9,101,1,9,9,4,9,3,9,101,1,9,9,4,9,99,3,9,102,2,9,9,4,9,3,9,1001,9,1,9,4,9,3,9,1001,9,1,9,4,9,3,9,1002,9,2,9,4,9,3,9,102,2,9,9,4,9,3,9,1001,9,1,9,4,9,3,9,1001,9,2,9,4,9,3,9,102,2,9,9,4,9,3,9,1001,9,1,9,4,9,3,9,1002,9,2,9,4,9,99,3,9,101,1,9,9,4,9,3,9,102,2,9,9,4,9,3,9,1001,9,2,9,4,9,3,9,1001,9,2,9,4,9,3,9,102,2,9,9,4,9,3,9,102,2,9,9,4,9,3,9,1001,9,2,9,4,9,3,9,1002,9,2,9,4,9,3,9,1002,9,2,9,4,9,3,9,1002,9,2,9,4,9,99"
puzzle_input = puzzle_input.split(",")
def run_opcode(memcpy_args = []):
memory = puzzle_input[:]
current_pointer = 0
return_value = False
while True:
if current_pointer >= len(memory):
raise Exception("Reached end")
# A B C D E
# D E = Opcode
# A, B, C = Parameter-Modi für Parameter 1 (C), 2 (B), 3 (A)
# Instruktion auf korrekte Länge bringen
instruction = f"%05d" % int(memory[current_pointer])
instruction = list(instruction)
# E D C B A
instruction.reverse()
current_opcode = int(instruction[1] + instruction[0])
parameter_modes = instruction[2:]
def get_parameter(num, parse_mode = True):
if parse_mode == False:
mode = 1
else:
mode = int(parameter_modes[num-1])
if mode == 0:
# Position mode
param_pos = int(memory[current_pointer+num])
return int(memory[param_pos])
elif mode == 1:
# Immediate mode
return int(memory[current_pointer+num])
else:
raise Exception("Invalid parameter mode")
if current_opcode == 1:
# ADD
param1 = get_parameter(1)
param2 = get_parameter(2)
dest = get_parameter(3, False) # Nur Position Mode
result = param1 + param2
#print(current_pointer, "ADD", param1, "+", param2, "=", result, "=>", dest)
memory[dest] = result
# Nächste Instruktion
current_pointer += 4
elif current_opcode == 2:
# MUL
param1 = get_parameter(1)
param2 = get_parameter(2)
dest = get_parameter(3, False) # Nur Position Mode
result = param1 * param2
#print(current_pointer, "MUL", param1, "*", param2, "=", result, "=>", dest)
memory[dest] = result
# Nächste Instruktion
current_pointer += 4
elif current_opcode == 3:
# MEMCPY
#val = int(input("MEMCPY INPUT: ")) # Nutzer fragen
val = int(memcpy_args.pop(0)) # Aus dem Compiler übergebenen Argumenten lesen
dest = get_parameter(1, False) # Nur Position Mode
#print(current_pointer, "WRITE", val, "=>", dest)
memory[dest] = val
# Nächste Instruktion
current_pointer += 2
elif current_opcode == 4:
# ECHO/READ
target = get_parameter(1, False) # Nur Position Mode
#print(current_pointer, "\t****\t\t\tMEMORY @", target, ":", memory[target])
if return_value != False:
raise Exception("Return value already set")
return_value = int(memory[target])
# Nächste Instruktion
current_pointer += 2
elif current_opcode == 5:
# Jump if true
param1 = get_parameter(1)
if (param1 != 0):
# Jump
current_pointer = get_parameter(2)
else:
current_pointer += 3
elif current_opcode == 6:
# Jump if false
param1 = get_parameter(1)
if (param1 == 0):
# Jump
current_pointer = get_parameter(2)
else:
current_pointer += 3
elif current_opcode == 7:
# less than
param1 = get_parameter(1)
param2 = get_parameter(2)
dest = get_parameter(3, False)
if (param1 < param2):
memory[dest] = 1
else:
memory[dest] = 0
current_pointer += 4
elif current_opcode == 8:
# equals
param1 = get_parameter(1)
param2 = get_parameter(2)
dest = get_parameter(3, False)
if (param1 == param2):
memory[dest] = 1
else:
memory[dest] = 0
current_pointer += 4
elif current_opcode == 99:
# HALT
#print("HALT")
return return_value
else:
raise Exception("Invalid opcode @ " + str(current_pointer) + ": " + str(current_opcode))
# 5 Amplifiers: A, B, C, D, E
# Jeder Amplifier nimmt zwei Inputs:
# 1. Phase Setting: 0/1/2/3/4, jede Zahl exakt einmal, Reihenfolge unbekannt
# 2. Input Signal = Output des vorherigen Amplifiers
# Ausgabe: Output Instruction. Solange Amplifier noch kein Input hat, warten
# Teil 1
max_signal = 0
max_combination = []
for a in range(5):
out_a = run_opcode([a, 0])
for b in range(5):
if b == a:
continue
out_b = run_opcode([b, out_a])
for c in range(5):
if c == b or c == a:
continue
out_c = run_opcode([c, out_b])
for d in range(5):
if d == c or d == b or d == a:
continue
out_d = run_opcode([d, out_c])
for e in range(5):
if e == d or e == c or e == b or e == a:
continue
out_e = run_opcode([e, out_d])
if out_e > max_signal:
max_signal = out_e
max_combination = [a,b,c,d,e]
print("Max signal:", max_signal, "from", max_combination)