2024-05-15 16:16:58 +01:00
|
|
|
from random import randint
|
|
|
|
|
from os import system
|
|
|
|
|
|
|
|
|
|
while 1:
|
|
|
|
|
n = 5
|
|
|
|
|
ipt = str(n) + '\n'
|
|
|
|
|
for i in range(2, n + 1):
|
|
|
|
|
ipt += f'{randint(1, i - 1)} {i}\n'
|
|
|
|
|
with open('std.in', 'w') as f:
|
|
|
|
|
f.write(ipt)
|
|
|
|
|
system('./bad < std.in > std.out')
|
|
|
|
|
with open('std.out') as f:
|
|
|
|
|
bad = f.read().strip()
|
|
|
|
|
system('./good < std.in > std.out')
|
|
|
|
|
with open('std.out') as f:
|
|
|
|
|
good = f.read().strip()
|
|
|
|
|
if bad != good:
|
|
|
|
|
print('input:', ipt)
|
|
|
|
|
print('bad:', bad)
|
|
|
|
|
print('good:', good)
|
|
|
|
|
break
|
