HSAT 기출 7회: 자동차 테스트

import sys

n, q = map(int, sys.stdin.readline().split())

cars = list(map(int, sys.stdin.readline().split()))
cars.sort()

hash = {car: (idx, n - idx - 1) for idx, car in enumerate(cars)}

for _ in range(q):
    mid = int(sys.stdin.readline())
    try:
        smaller, bigger = hash[mid]
        print(smaller * bigger)
    except KeyError:
        print(0)