i used a similar activity selector algorithm given in cormen… but i got wrong answer… here is the link to my solution http://www.codechef.com/viewsolution/5754242 plz explain why this algorithm can’t be implemented…

Please Check your code…

Input:

```
1
4
1 3
4 2
5 5
6 5
```

Anwer is 2 but your code gives 3.