Tanssiaiset

input/code.cpp: In function 'int main()':
input/code.cpp:28:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(long long i = 0; i < n/2 + 1; i++){
                            ^
input/code.cpp:27:10: warning: unused variable 'f1' [-Wunused-variable]
     bool f1 = false, f2 = false;
          ^
input/code.cpp:27:22: warning: unused variable 'f2' [-Wunused-variable]
     bool f1 = false, f2 = false;
                      ^

#include <iostream>
#include <cmath>
#include <iomanip>
#include <string>
#include <vector>
#include <algorithm>

using namespace std;

int main()
{
    unsigned long long n;

    cin >> n;


    vector<unsigned long long> inputs;

    for(unsigned long long i = 0; i < n/2 + 1; i++)
    {
        unsigned long long a = 0;
        cin >> a;
        inputs.push_back(a);
        cin >> a;
        inputs.push_back(a);
    }
    bool f1 = false, f2 = false;
    for(long long i = 0; i < n/2 + 1; i++){
        unsigned long long x = count (inputs.begin(), inputs.end(), inputs[i * 2]);
        unsigned long long y = count (inputs.begin(), inputs.end(), inputs[i * 2 + 1]);
        if(x > 1 && y > 1)
        {
            cout << inputs[i * 2] << " " << inputs[i * 2 + 1] << "\n";
            return 0;
        }
    }

    return 0;
}

Test 1

Group: 1

Verdict: ACCEPTED

Test 2

Group: 1

Verdict: ACCEPTED

Test 3

Group: 1

Verdict: ACCEPTED

Test 4

Group: 1

Verdict: ACCEPTED

Test 5

Group: 1

Verdict: ACCEPTED

Test 6

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 7

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 8

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 9

Group: 2

Verdict: TIME LIMIT EXCEEDED

Test 10

Group: 2

Verdict: TIME LIMIT EXCEEDED