#!/usr/bin/env python3

# import numpy as np
from functools import reduce
from re import findall
from copy import deepcopy


# filename = "in/day06.ref"
filename = "in/day06.pzl"

res1 = 0
res2 = 0

def solve(n):
    f = open(filename)
    for line in f:
        line = line.strip()
        for a in range(len(line)-n):
            s = set()
            for i in range(0,n):
                s.add(line[a+i])

            if len(s) == n:
                # print(s)
                res = a + n
                return res
    f.close()

res1 = solve(4)
res2 = solve(14)

print('res1:', res1)
print('res2:', res2)