blob: 8e3891abeb09a9e71405122d45e1f4b0cfb82cb1 (
plain) (
blame)
1
2
3
4
5
6
7
|
#!/usr/bin/env python3
with open('HINHVUONG.INP') as fi, open('HINHVUONG.OUT', 'w') as fo:
A, B, C, D = sorted([int(i) for i in s.split()] for s in fi.readlines())
if A[0] != B[0] or C[0] != D[0] or A[1] != C[1] or B[1] != D[1]:
fo.write('-1\n')
else:
print((B[0]-C[0]) ** 2, file=fo)
|
