diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..3e33ff5 --- /dev/null +++ b/.gitignore @@ -0,0 +1,3 @@ +__pycache__ +.direnv +venv diff --git a/23/day5/example.txt b/23/day5/example.txt new file mode 100644 index 0000000..f756727 --- /dev/null +++ b/23/day5/example.txt @@ -0,0 +1,33 @@ +seeds: 79 14 55 13 + +seed-to-soil map: +50 98 2 +52 50 48 + +soil-to-fertilizer map: +0 15 37 +37 52 2 +39 0 15 + +fertilizer-to-water map: +49 53 8 +0 11 42 +42 0 7 +57 7 4 + +water-to-light map: +88 18 7 +18 25 70 + +light-to-temperature map: +45 77 23 +81 45 19 +68 64 13 + +temperature-to-humidity map: +0 69 1 +1 0 69 + +humidity-to-location map: +60 56 37 +56 93 4 diff --git a/23/day5/input.txt b/23/day5/input.txt new file mode 100644 index 0000000..c77bb1b --- /dev/null +++ b/23/day5/input.txt @@ -0,0 +1,219 @@ +seeds: 2041142901 113138307 302673608 467797997 1787644422 208119536 143576771 99841043 4088720102 111819874 946418697 13450451 3459931852 262303791 2913410855 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line.startswith("seeds:"): + seeds = list(map(int, line.removeprefix("seeds: ").split(" "))) + elif line.endswith(" map:"): + x, _, y = line.removesuffix(" map:").split("-") + current_map = (x, y) + mappings[x] = {"next": y, "maps": []} + else: + dest_start, src_start, length = list(map(int, line.split(" "))) + mappings[current_map[0]]["maps"].append((dest_start, src_start, length)) + +locations = [] + +for seed in seeds: + current_type = "seed" + current_number = seed + while current_type != "location": + mapping = mappings[current_type] + found_dest = None + for dest_start, src_start, length in mapping["maps"]: + if current_number in range(src_start, src_start + length): + found_dest = dest_start + (current_number - src_start) + break + if found_dest == None: + found_dest = current_number + + current_type = mapping["next"] + current_number = found_dest + locations.append(current_number) + +print("part1", min(locations)) + + +def partition(lst, size): + for i in range(0, len(lst) // size): + yield lst[i::size] + + +# current_type = "seed" +# ranges = [] +lowest = math.inf + +first_seed = None +for seed in seeds: + if first_seed == None: + first_seed = seed + continue + second_seed = seed + + print("Lezgo", first_seed, second_seed) + + # ranges.append((first_seed, first_seed + second_seed)) + + for seed in range(first_seed, first_seed + second_seed): + # print((seed - first_seed) / second_seed * 100) + current_type = "seed" + current_number = seed + while current_type != "location": + mapping = mappings[current_type] + found_dest = None + for dest_start, src_start, length in mapping["maps"]: + if current_number in range(src_start, src_start + length): + found_dest = dest_start + (current_number - src_start) + break + if found_dest == None: + found_dest = current_number + + current_type = mapping["next"] + current_number = found_dest + if current_number < lowest: + lowest = current_number + + first_seed = None + +print("part2", lowest)