blob: 9c9f1441ba8be7f3c745c8af09b2c30ce77760cf (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
|
#!/usr/bin/env python3
def lang(index):
global unused
if index < len(unused) and unused[index]:
unused[index] = False
for i in commands[index]: lang(i)
commands = []
with open('LANG.INP') as f:
for index, line in enumerate(f):
l = line.split()
if l[0] == 'NEXT':
commands.append((index + 1,))
elif len(l) == 2:
commands.append((int(l[1]) - 1,))
else:
commands.append((int(l[1]) - 1, int(l[3]) - 1))
unused = [True] * len(commands)
lang(0)
with open('LANG.OUT', 'w') as f:
print(sum(unused), file=f)
print(*(i + 1 for i, b in enumerate(unused) if b), sep='\n', file=f)
|
