printer.py

import os


def _binary_search(n: int, f: callable):
    r = n
    l = -1
    while r - l > 1:
        mid = (r + l) // 2
        if f(mid):
            l = mid
        else:
            r = mid
    if f(r):
        return r
    return l


def build_monitor(a: tuple):
    _count = min(a[0], a[1]) + min(a[2], a[3])
    return _binary_search(_count // 2, lambda i: i * i <= _count)


f = open("test.txt")

if __name__ == "__main__":
    fptr = open(
        os.environ["OUTPUT_PATH"] if "OUPTUT_PATH" in os.environ else "test_result.log",
        "w",
    )

    a = tuple([int(x) for x in f.readline().rstrip().split()])

    result = build_monitor(a)

    print(result)

    fptr.write(str(result) + "\n")