1795B - Ideal Point - CodeForces Solution

#include<iostream>
using namespace std;

int main(){
    int t; cin>>t;
    
    while(t--){
        int lMax=0,rMin=0;
            int n,k;
            cin>>n>>k;
        for(int i=0; i<n; i++){
            int l,r;
            cin>>l>>r;
            
            if(l==k){
                lMax=1;
            }
            if (r==k){
                rMin=1;
            }
            
        }
        if(lMax&&rMin){
            cout<<"Yes"<<endl;
        }
        else{
            cout<<"No"<<endl;
        }
    }
}