Activity selection

#1

Please can someone point the mistake in this code.

This implementation passes the custom test cases but fails when submitted.

#2

You need to compare with the end time rather than the start time. In the comparator just write

bool comp(pair<int,int> p1, pair<int,int> p2){
    return p1.second<=p2.second;
}
#3

Hi u were doing one thing wrong. when u were sorting then u should sort in such a way that activity with the least ending time comes before.
I have made changes to ur code.

#4

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