advent-of-code/2019/d02/ex2/ex2.py

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2019-12-08 18:35:01 +01:00
#!/usr/bin/env python
import sys
from copy import deepcopy
from typing import List
def run_op(op_codes: List[int]) -> None:
for index in range(0, len(op_codes), 4): # Move every 4 positions
op = op_codes[index]
if op == 99: # Halt
return
if op == 1: # Sum
lhs, rhs, dest = op_codes[index + 1 : index + 4]
op_codes[dest] = op_codes[lhs] + op_codes[rhs]
if op == 2: # Multiplication
lhs, rhs, dest = op_codes[index + 1 : index + 4]
op_codes[dest] = op_codes[lhs] * op_codes[rhs]
def main() -> None:
op_codes = [int(n) for n in sys.stdin.read().split(",")]
for noun in range(100):
for verb in range(100):
mem = deepcopy(op_codes)
mem[1] = noun
mem[2] = verb
run_op(mem)
if mem[0] == 19690720:
print(noun * 100 + verb)
return
if __name__ == "__main__":
main()