Movie Festival

#include <bits/stdc++.h>
using namespace std;
#define endl "\n"
struct structure{
    int start;
    int end;
};
bool comparison(structure a, structure b)
{
    if(a.end<=b.end)
    return true;
    else
    return false;
}
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);

    int n;
    cin>>n;
    vector<structure>movies(n);

    int a,b;
    for(int i=0;i<n;i++)
    {
        cin>>a>>b;
        movies[i].start=a;
        movies[i].end=b;
    }
    int total=1;
    sort(movies.begin(),movies.end(),comparison);
//  cout<<endl<<endl;
//  for(int i=0;i<n-1;i++)
//  {
//      cout<<movies[i].start<<" "<<movies[i].end<<endl;
//  }
    int cmpValue=movies[0].end;
    for(int i=1;i<n;i++)
    {
        if(movies[i].start>=cmpValue)
        {
            total++;
            cmpValue=movies[i].end;
        }
        //total++;
    }
    cout<<total<<endl;

}