AdventOfCode/2_2.py

def inRange(code,pos):
	if code[pos+1] <= len(code) and code[pos+2] <= len(code) and code[pos+3] <= len(code):
		return True
	else:
		return False

def compute(code):
	for v in range(len(code)):
		code[v] = int(code[v])
	#print(code)
	i = 0
	while i < (len(code) - 3):
		if code[i] == 1:
			if not inRange(code,i):
				return -1
			code[code[i + 3]] = code[code[i + 2]] + code[code[i + 1]]
			i += 4
		if code[i] == 2:
			if not inRange(code,i):
				return -1
			code[code[i + 3]] = code[code[i + 2]] * code[code[i + 1]]
			i += 4
		if code[i] == 99:
			i += 1
			return code
		if code[i] not in (1,2,99):
			i += 1
			#return -1


file = open("2_2.txt","r")
input = file.read()

for noun in range(100):
	for verb in range(100):
		code = input.replace("\n","").split(",")
		code[1] = noun
		code[2] = verb
		ret = compute(code)	
		#print(ret)
		if ret == -1:
			continue
		if ret[0] == 19690720:
			print(ret)
			print("---done---")
			exit()