For Input :
10
-5 1
1 14
-5 2
2 3
3 19
0 0

Output1 :
2
-5 1
1 14

Output2 :
2
-5 2
1 14

Are both output1 and output2 considered as correct ?

EDIT At least output2 is considered as CORRECT. (Finally solved :D)

Edited by author 21.08.2013 18:18