今晚网易第二题，80%通过率，求大神解析
import sys
t = int(sys.stdin.readline().strip())
for i in range(t):
line = sys.stdin.readline().strip()
values = list(map(int, line.split()))
N = values[0]
M = values[1]
result = 0
if N == M == 1:
print(1)
continue
result += max(M - 2, 0) * max(N - 2, 0)
if result == 0:
if M == 1:
result += N - 2
if N == 1:
result += M - 2
print(result)#网易#
t = int(sys.stdin.readline().strip())
for i in range(t):
line = sys.stdin.readline().strip()
values = list(map(int, line.split()))
N = values[0]
M = values[1]
result = 0
if N == M == 1:
print(1)
continue
result += max(M - 2, 0) * max(N - 2, 0)
if result == 0:
if M == 1:
result += N - 2
if N == 1:
result += M - 2
print(result)#网易#
