OJ Board

sclo wrote:

output can be
1 3 4 / or / 2 / or / 2 3 ???
Then May I print one of them?

Yes, you can print any of them. This is special judge problem.

Thanks.

I got AC.

There are a few output in this problem, aren't there ?



In Sample input .

4 3
1 2
2 3
3 4

->

output can be

1 3 4 / or / 2 / or / 2 3 ???




Then May I print one of them?








============================
sorry for my foor english

Red Scorpion wrote:try this

100 101
200 300
10 500
1 1000
20 30
40 40
500 901
152 199
1 2
3 40
2 1000

output:
8

Sorry , but the answer is not 8.


In my program that got AC,

the answer is 7.




p.s sorry my poor English.