1st pull request

[fantom787]

#include <bits/stdc++.h>
using namespace std;

void SelectActivities(vectors,vectorf){

vector<pair<int,int>>ans;

priority_queue<pair<int,int>,vector<pair<int,int>>,greater<pair<int,int>>>p;

for(int i=0;i<s.size();i++){
	p.push(make_pair(f[i],s[i]));
}

auto it = p.top();
int start = it.second;
int end = it.first;
p.pop();
ans.push_back(make_pair(start,end));

while(!p.empty()){
	auto itr = p.top();
	p.pop();
	if(itr.second >= end){
		start = itr.second;
		end = itr.first;
		ans.push_back(make_pair(start,end));
	}
}
cout << "Following Activities should be selected. " << endl << endl;

for(auto itr=ans.begin();itr!=ans.end();itr++){
	cout << "Activity started at: " << (*itr).first << " and ends at " << (*itr).second << endl;
}

}

int main()
{
vectors = {1, 3, 0, 5, 8, 5};
vectorf = {2, 4, 6, 7, 9, 9};
SelectActivities(s,f);

return 0;

}