import 2019 aoc

This commit is contained in:
2024-12-03 15:26:47 +01:00
commit c6c3acaa9a
11 changed files with 815 additions and 0 deletions

163
2019/day5/day5.py Normal file
View File

@ -0,0 +1,163 @@
#! /usr/bin/env python3
from collections import namedtuple
from enum import Enum
import logging
logging.basicConfig(format="%(levelname)s:%(message)s", level=logging.WARN)
def get_nth_digit(n, number):
"Returns the nth digit of the input number"
return number // 10 ** n % 10
class Operation(Enum):
ADDITION = 1
MULTIPLICATION = 2
INPUT = 3
OUTPUT = 4
JMP_IF_TRUE = 5
JMP_IF_FALSE = 6
LESS_THAN = 7
EQUALS = 8
TERMINATION = 99
class Mode(Enum):
POSITION = 0
IMMEDIATE = 1
class Instruction:
def __init__(self, opcode):
self.operation = Operation(opcode % 100)
self.modes = [Mode(get_nth_digit(n, opcode)) for n in range(2, 5)]
self.handler_name = f"handle_{self.operation.name.lower()}"
self.handler = getattr(self, self.handler_name, self.handle_termination)
def __repr__(self):
return f"Instruction({self.operation}, {self.modes})"
def handle(self, program, ip):
return self.handler(program, ip)
def handle_addition(self, program, ip):
first, second = self._get_parameters(program, ip)
logging.debug(f"ADD {first} {second}")
result = first + second
# the last mode should *always* be POSITION
program[program[ip + 3]] = result
ip += 4
return ip
def handle_multiplication(self, program, ip):
first, second = self._get_parameters(program, ip)
logging.debug(f"MUL {first} {second}")
result = first * second
# the last mode should *always* be POSITION
program[program[ip + 3]] = result
ip += 4
return ip
def handle_input(self, program, ip):
ip += 2
program[program[ip + 1]] = int(input("Enter ID > "))
return ip
def handle_output(self, program, ip):
print("OUT ", program[program[ip + 1]])
ip += 2
return ip
def handle_jmp_if_true(self, program, ip):
first, second = self._get_parameters(program, ip)
logging.debug(f"JMPT {first} {second}")
return second if first != 0 else ip + 3
def handle_jmp_if_false(self, program, ip):
first, second = self._get_parameters(program, ip)
logging.debug(f"JMPF {first} {second}")
return second if first == 0 else ip + 3
def handle_less_than(self, program, ip):
first, second = self._get_parameters(program, ip)
logging.debug(f"LT {first} {second}")
program[program[ip + 3]] = int(first < second)
ip += 4
return ip
def handle_equals(self, program, ip):
first, second = self._get_parameters(program, ip)
logging.debug(f"EQ {first} {second}")
program[program[ip + 3]] = int(first == second)
ip += 4
return ip
def handle_termination(self, program, ip):
print("HALT")
return ip
def _get_parameters(self, program, ip):
first = (
program[ip + 1]
if self.modes[0] is Mode.IMMEDIATE
else program[program[ip + 1]]
)
second = (
program[ip + 2]
if self.modes[1] is Mode.IMMEDIATE
else program[program[ip + 2]]
)
return first, second
def interpret_intcode(program, stdin=None):
ip = 0
while program[ip] != 99:
opcode = program[ip]
instruction = Instruction(opcode)
ip = instruction.handle(program, ip)
def tests():
inputs = (
[1, 0, 0, 0, 99], # ADD 1 + 1 to location 0
[2, 3, 0, 3, 99], # MUL 2 * 3 to location 3
[2, 4, 4, 5, 99, 0],
[1, 1, 1, 4, 99, 5, 6, 0, 99],
[1101, 1, 1, 0, 99], # ADD 1 + 1 to location 0 (direct access)
)
expected_outputs = (
[2, 0, 0, 0, 99], # 1 + 1 = 2
[2, 3, 0, 6, 99], # 3 * 2 = 6
[2, 4, 4, 5, 99, 9801], # 99 * 99 = 9801
[30, 1, 1, 4, 2, 5, 6, 0, 99],
[2, 1, 1, 0, 99], # 1 + 1 = 2 (direct access)
)
for i, inp in enumerate(inputs):
result = inp[:]
interpret_intcode(result)
assert (
result == expected_outputs[i]
), f"Expected output for {inp} is {expected_outputs[i]}, but found {result} instead."
print("\nAll tests passed.\n")
def run_input_program(filename):
import os
SCRIPT_DIR = os.path.dirname(os.path.realpath(__file__))
with open(os.path.join(SCRIPT_DIR, filename)) as inp:
print("Start of input program.")
memory = [int(x) for x in inp.readline().strip().split(",")]
interpret_intcode(memory, 5)
if __name__ == "__main__":
tests()
# a = [3, 12, 6, 12, 15, 1, 13, 14, 13, 4, 13, 99, -1, 0, 1, 9]
# b = [3, 3, 1105, -1, 9, 1101, 0, 0, 12, 4, 12, 99, 1]
# interpret_intcode(b, 0)
# interpret_intcode(a, 0)
run_input_program("input.txt")

192
2019/day5/day52.py Normal file
View File

@ -0,0 +1,192 @@
import logging
logging.basicConfig(format="%(levelname)s:%(message)s", level=logging.DEBUG)
class Instruction:
code, argument_num = 0, 0
def execute(self, intcode, arguments):
pass
def new_pc(self, intcode):
return intcode.pc + self.argument_num + 1
class PlusInstruction(Instruction):
code, argument_num = 1, 3
def execute(self, intcode, arguments):
logging.debug(f"ADD {arguments[0].value} {arguments[1].value}")
intcode.set(arguments[2].address, arguments[0].value + arguments[1].value)
return self.new_pc(intcode)
class MultiplyInstruction(Instruction):
code, argument_num = 2, 3
def execute(self, intcode, arguments):
logging.debug(f"MUL {arguments[0].value} {arguments[1].value}")
intcode.set(arguments[2].address, arguments[0].value * arguments[1].value)
return self.new_pc(intcode)
class InputInstruction(Instruction):
code, argument_num = 3, 1
def execute(self, intcode, arguments):
intcode.set(arguments[0].address, intcode.get_input())
return self.new_pc(intcode)
class OutputInstruction(Instruction):
code, argument_num = 4, 1
def execute(self, intcode, arguments):
intcode.output = arguments[0].value
return self.new_pc(intcode)
class JumpIfTrueInstruction(Instruction):
code, argument_num = 5, 2
def execute(self, intcode, arguments):
logging.debug(f"JMPT {arguments[0].value} {arguments[1].value}")
return arguments[1].value if arguments[0].value != 0 else self.new_pc(intcode)
class JumpIfFalseInstruction(Instruction):
code, argument_num = 6, 2
def execute(self, intcode, arguments):
logging.debug(f"JMPF {arguments[0].value} {arguments[1].value}")
return arguments[1].value if arguments[0].value == 0 else self.new_pc(intcode)
class LessThanInstruction(Instruction):
code, argument_num = 7, 3
def execute(self, intcode, arguments):
logging.debug(f"LT {arguments[0].value} {arguments[1].value}")
intcode.set(arguments[2].address, int(arguments[0].value < arguments[1].value))
return self.new_pc(intcode)
class EqualsInstruction(Instruction):
code, argument_num = 8, 3
def execute(self, intcode, arguments):
intcode.set(arguments[2].address, int(arguments[0].value == arguments[1].value))
return self.new_pc(intcode)
class RelativeBaseOffsetInstruction(Instruction):
code, argument_num = 9, 1
def execute(self, intcode, arguments):
intcode.relative_base += arguments[0].value
return self.new_pc(intcode)
class HaltInstruction(Instruction):
code, argument_num = 99, 0
def execute(self, intcode, arguments):
intcode.halted = True
return None
class Argument:
def __init__(self, value, address):
self.value = value
self.address = address
class IntCode:
def __init__(self, program, inputs=[], input_func=None):
self.program = program[:]
self.inputs = inputs[::-1]
self.input_func = input_func
self.relative_base = 0
self.memory = {}
self.output = None
self.halted = False
self.pc = 0
def _get_instruction(self, instruction_code):
return next(
cls for cls in Instruction.__subclasses__() if cls.code == instruction_code
)
def _parse_arguments(self, argument_num):
modes = str(self.program[self.pc]).zfill(5)[:3][::-1]
arguments = []
for i in range(argument_num):
value = self.program[self.pc + i + 1] + (
self.relative_base if modes[i] == "2" else 0
)
if modes[i] == "1":
arguments.append(Argument(value, value))
else:
arguments.append(
Argument(
self.program[value]
if value < len(self.program)
else self.memory.get(value, 0),
value,
)
)
return arguments
def run(self):
self.output = None
while not self.halted and self.output is None:
instruction = self._get_instruction(self.program[self.pc] % 100)
arguments = self._parse_arguments(instruction.argument_num)
self.pc = instruction().execute(self, arguments)
return self.output
def execute(self):
last_output = None
while not self.halted:
output = self.run()
if not self.halted:
last_output = output
return last_output
def clone(self):
cloned = IntCode(self.program)
cloned.inputs = self.inputs[:]
cloned.input_func = self.input_func
cloned.relative_base = self.relative_base
cloned.memory = {key: value for key, value in self.memory.items()}
cloned.output = self.output
cloned.halted = self.halted
cloned.pc = self.pc
return cloned
def get(self, address):
return (
self.program[address]
if address < len(self.program)
else self.memory.get(value + self.relative_base, 0)
)
def set(self, address, value):
target = self.program if address < len(self.program) else self.memory
target[address] = value
def input(self, value):
self.inputs = [value] + self.inputs
def get_input(self):
return self.inputs.pop() if self.inputs else self.input_func()
import os
SCRIPT_DIR = os.path.dirname(os.path.realpath(__file__))
code = list(map(int, open(os.path.join(SCRIPT_DIR, "input.txt")).read().split(",")))
part2 = IntCode(code, [5]).execute()
print(part2)

1
2019/day5/input.txt Normal file
View File

@ -0,0 +1 @@
3,225,1,225,6,6,1100,1,238,225,104,0,1102,67,92,225,1101,14,84,225,1002,217,69,224,101,-5175,224,224,4,224,102,8,223,223,101,2,224,224,1,224,223,223,1,214,95,224,101,-127,224,224,4,224,102,8,223,223,101,3,224,224,1,223,224,223,1101,8,41,225,2,17,91,224,1001,224,-518,224,4,224,1002,223,8,223,101,2,224,224,1,223,224,223,1101,37,27,225,1101,61,11,225,101,44,66,224,101,-85,224,224,4,224,1002,223,8,223,101,6,224,224,1,224,223,223,1102,7,32,224,101,-224,224,224,4,224,102,8,223,223,1001,224,6,224,1,224,223,223,1001,14,82,224,101,-174,224,224,4,224,102,8,223,223,101,7,224,224,1,223,224,223,102,65,210,224,101,-5525,224,224,4,224,102,8,223,223,101,3,224,224,1,224,223,223,1101,81,9,224,101,-90,224,224,4,224,102,8,223,223,1001,224,3,224,1,224,223,223,1101,71,85,225,1102,61,66,225,1102,75,53,225,4,223,99,0,0,0,677,0,0,0,0,0,0,0,0,0,0,0,1105,0,99999,1105,227,247,1105,1,99999,1005,227,99999,1005,0,256,1105,1,99999,1106,227,99999,1106,0,265,1105,1,99999,1006,0,99999,1006,227,274,1105,1,99999,1105,1,280,1105,1,99999,1,225,225,225,1101,294,0,0,105,1,0,1105,1,99999,1106,0,300,1105,1,99999,1,225,225,225,1101,314,0,0,106,0,0,1105,1,99999,8,226,226,224,102,2,223,223,1005,224,329,1001,223,1,223,1108,677,677,224,1002,223,2,223,1006,224,344,101,1,223,223,1007,226,677,224,102,2,223,223,1005,224,359,101,1,223,223,1007,677,677,224,1002,223,2,223,1006,224,374,101,1,223,223,1108,677,226,224,1002,223,2,223,1005,224,389,1001,223,1,223,108,226,677,224,102,2,223,223,1006,224,404,101,1,223,223,1108,226,677,224,102,2,223,223,1005,224,419,101,1,223,223,1008,677,677,224,102,2,223,223,1005,224,434,101,1,223,223,7,677,226,224,1002,223,2,223,1005,224,449,101,1,223,223,1008,226,226,224,102,2,223,223,1005,224,464,1001,223,1,223,107,226,677,224,1002,223,2,223,1006,224,479,1001,223,1,223,107,677,677,224,102,2,223,223,1005,224,494,1001,223,1,223,1008,226,677,224,102,2,223,223,1006,224,509,1001,223,1,223,1107,677,226,224,102,2,223,223,1005,224,524,101,1,223,223,1007,226,226,224,1002,223,2,223,1006,224,539,1001,223,1,223,107,226,226,224,102,2,223,223,1006,224,554,101,1,223,223,108,677,677,224,1002,223,2,223,1006,224,569,1001,223,1,223,7,226,677,224,102,2,223,223,1006,224,584,1001,223,1,223,8,677,226,224,102,2,223,223,1005,224,599,101,1,223,223,1107,677,677,224,1002,223,2,223,1005,224,614,101,1,223,223,8,226,677,224,102,2,223,223,1005,224,629,1001,223,1,223,7,226,226,224,1002,223,2,223,1006,224,644,1001,223,1,223,108,226,226,224,1002,223,2,223,1006,224,659,101,1,223,223,1107,226,677,224,1002,223,2,223,1006,224,674,101,1,223,223,4,223,99,226