electronics-shop.py

#!/bin/python3

import os
import sys

#
# Complete the getMoneySpent function below.
#
def getMoneySpent(keyboards, drives, b):
    keyboards.sort()
    drives.sort()
    res = -1
    for k in keyboards:
        x = -1
        for d in drives:
            if k + d <= b:
                x = k + d
            else:
                break
        if x == -1:
            break
        else:
            res = max(res, x)
    return res

if __name__ == '__main__':
    fptr = open(os.environ['OUTPUT_PATH'], 'w')

    bnm = input().split()

    b = int(bnm[0])

    n = int(bnm[1])

    m = int(bnm[2])

    keyboards = list(map(int, input().rstrip().split()))

    drives = list(map(int, input().rstrip().split()))

    #
    # The maximum amount of money she can spend on a keyboard and USB drive, or -1 if she can't purchase both items
    #

    moneySpent = getMoneySpent(keyboards, drives, b)

    fptr.write(str(moneySpent) + '\n')

    fptr.close()