845C. Two TVs - Codeforces Solution C++

➤  Problem Link : 845C. Two TVs 

✅ C++ Solution :

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

#define ll long long int

int main()
{
	int n;
	ll l,r;
	cin>>n;
	vector<pair<ll,ll> > v;
	for(int i=0;i<n;i++)
	{
		cin>>l>>r;
		v.push_back(make_pair(l,r));
	}

	sort(v.begin(),v.end());

	l=-1,r=-1;

	bool flag=1;

	for(int i=0;i<v.size();i++)
	{
		if(v[i].first > l)
			l = v[i].second;
		else if(v[i].first > r)
			r = v[i].second;
		else
		{
			flag=0;
			break;
		}
	}
	if(flag)
		cout<<"YES";
	else
		cout<<"NO";
}

 

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About Utkarsh Gupta

I am a Member Technical at D.E. Shaw India Pvt. Ltd. CodingWithArt is a blog where you find tricks and solutions to challenging coding and development problems. I aim to build a universal tech platform for every enthusiast out there.