Codeforces Round #274 (Div. 2) 479C - Exams And 480A. Exams Solution

 

Problem Link: https://codeforces.com/problemset/problem/479/C  or  https://codeforces.com/contest/480/problem/A

Solution in C++: 

///La ilaha illellahu muhammadur rasulullah

///******Bismillahir-Rahmanir-Rahim******///

///Abul Hasnat  Tonmoy

///Department of CSE,23rd batch

///Islamic University,Bangladesh

///**********ALLAH IS ALMIGHTY************///

#include <bits/stdc++.h>

using namespace std;

int main()

{

    int n,i,j,ans;

    cin>>n;

    pair<int,int>p[n+9];

    for(i=0; i<n; i++)

    {

        cin>>p[i].first>>p[i].second;

    }

    sort(p,p+n);

    ans=p[0].second;

    for(i=1; i<n; i++)

    {

        if(p[i].second>=ans)

            ans=p[i].second;

        else

            ans=p[i].first;

    }

    cout<<ans<<endl;

}