Created
July 21, 2018 17:48
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| import re | |
| # Константы | |
| space = ' ' | |
| astart = 'a' | |
| dstart = 'd' | |
| def write_to_dct(dct, day, dcnt): | |
| # Если этот день еще не заносился - самый последний, вставляем в конец | |
| if day in dct: | |
| dct[day] += dcnt | |
| else: | |
| dct[day] = dcnt | |
| def print_result(mef_max, kir_max): | |
| with open('output.txt', 'w') as of: | |
| of.write( | |
| f'{mef_max if mef_max > 0 else 0} {kir_max if kir_max > 0 else 0}', | |
| ) | |
| try: | |
| with open('input.txt', 'r') as f: | |
| tot = int(f.readline()) | |
| day = int(f.readline()) | |
| arrs = dict() | |
| deps = dict() | |
| # Иду по строкам | |
| arr_re = r'arrival \d+ \d+' | |
| dep_re = r'departure \d+ \d+' | |
| for line in f: | |
| if re.match(dep_re, line) or re.match(arr_re, line): | |
| # Читаю день, заношу в арривалс, депарчурс колво | |
| cur_type, cur_day, cnt = line.split(space) | |
| cur_day, cnt = int(cur_day), int(cnt) | |
| if cur_type[0] == astart: # прибытие | |
| write_to_dct(arrs, cur_day, cnt) | |
| elif cur_type[0] == dstart: # отбытие | |
| write_to_dct(deps, cur_day, cnt) | |
| else: | |
| continue | |
| # Добиваю нулями недостающие дни | |
| arr_keys = set(arrs.keys()) | |
| dep_keys = set(deps.keys()) | |
| days_to_arr = dep_keys - arr_keys | |
| days_to_deps = arr_keys - dep_keys | |
| {arrs.update({k: 0}) for k in days_to_arr} | |
| {deps.update({k: 0}) for k in days_to_deps} | |
| arrs = sorted(arrs.items()) | |
| deps = sorted(deps.items()) | |
| mef_max = 0 | |
| kir_max = 0 | |
| prev_people = 0 | |
| for ar, dep in zip(arrs, deps): | |
| cur_day = ar[0] | |
| # Ушли за нужный день, остановка | |
| if cur_day > day: | |
| print_result(mef_max, kir_max) | |
| exit() | |
| # Кирилл, четные | |
| if cur_day % 2 == 0: | |
| cur_kir_people = ar[1] - dep[1] + prev_people | |
| if cur_kir_people > kir_max: | |
| kir_max = cur_kir_people | |
| prev_people = cur_kir_people | |
| # Мефодий, нечетные | |
| else: | |
| cur_mef_people = ar[1] - dep[1] + prev_people | |
| if cur_mef_people > mef_max: | |
| mef_max = cur_mef_people | |
| prev_people = cur_mef_people | |
| print_result(mef_max, kir_max) | |
| except: | |
| exit() |
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