Python题解 | #判断两个IP是否属于同一子网#
判断两个IP是否属于同一子网
https://www.nowcoder.com/practice/34a597ee15eb4fa2b956f4c595f03218
import sys
def check(ip0, ip1, ip2):
for a in range(4):
if ip0[a] not in range(0, 256) or ip1[a] not in range(0, 256) or ip2[a] not in range(0, 256):
return 1
if a < 3 and ip0[a] < ip0[a + 1]:
return 1
ans1 = [0] * 4
ans2 = [0] * 4
for i in range(4):
ans1[i] = ip0[i] & ip1[i]
ans2[i] = ip0[i] & ip2[i]
if ans1[i] != ans2[i]:
return 2
return 0
while True:
try:
i0 = list(map(int, input().split('.')))
i1 = list(map(int, input().split('.')))
i2 = list(map(int, input().split('.')))
print(check(i0, i1, i2))
except:
break
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