day_13a.py

#!/usr/bin/env python3


def main():
    f = open("../input/day_13_input")
    time = int(f.readline().strip().replace("\n", "").replace("\r", ""))
    buses = [
        int(bus)
        for bus in f.readline()
        .strip()
        .replace("\n", "")
        .replace("\r", "")
        .replace("x,", "")
        .split(",")
    ]
    rem = [min(buses), buses.index(min(buses))]
    for bus in buses:
        c_rem = bus - (time % bus)
        if c_rem < rem[0]:
            rem[0] = c_rem
            rem[1] = bus
    print(rem[0] * rem[1])
    return rem[0] * rem[1]


if __name__ == "__main__":
    main()