53 lines
1.3 KiB
Python
53 lines
1.3 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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file = "./input.txt"
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#file = "./ex2.txt"
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from time import time
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start_time = time()
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def read_file(filename:str)->list[str]:
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result = []
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input_file = open(filename, "r")
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for line in input_file:
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line = line.strip()
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if line == "":
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continue
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else:
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result.append(line)
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input_file.close()
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return result
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def check_line(l:str)->bool:
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triple_in = []
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triple_out = []
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inside_brackets = False
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for i in range(len(l)-2):
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if l[i+1] in ["[", "]"]:
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continue
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elif l[i] == "[":
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inside_brackets = True
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continue
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elif l[i] == "]":
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inside_brackets = False
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continue
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elif inside_brackets and l[i] != l[i+1] and l[i] == l[i+2]:
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triple_in.append(f"{l[i]}{l[i+1]}{l[i+2]}")
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elif not inside_brackets and l[i] != l[i+1] and l[i] == l[i+2]:
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triple_out.append(f"{l[i]}{l[i+1]}{l[i+2]}")
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for t in triple_in:
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if f"{t[1]}{t[0]}{t[1]}" in triple_out:
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return True
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return False
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if __name__ == "__main__":
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data = read_file(file)
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sol = 0
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for d in data:
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if check_line(d):
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sol += 1
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print(f"Solution Part1: {sol}")
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print(f'Runtime: {time()-start_time:.4f} s') |