Tanssiaiset

input/code.cpp: In function 'int main()':
input/code.cpp:22:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (int j = 0; j < p.size()/2; j++) {
                     ^
input/code.cpp:24:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int k = 0; k < p.size()/2; k++)
                       ^
input/code.cpp:31:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int k = 0; k < p.size()/2; k++)
                       ^

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

int main() {
	int n;
	cin >> n;

	vector<int> p,pa,pb;
	for (int i = 0; i < n/2 + 1; i++) {
		int a,b;
		cin >> a >> b;
		p.push_back(a);
		p.push_back(b);
	}
	
	int a[2];
	for (int i = 0; i < n + 2; i++) {
		int b = 0;
		a[0] = p[0];
		a[1] = p[1];
		p.erase(p.begin(), p.begin() + 1);
		for (int j = 0; j < p.size()/2; j++) {
			if (a[0] == p[j*2]) {
				for (int k = 0; k < p.size()/2; k++)
					if (a[1] == p[k*2+1]) {
						cout << a[1] << " " << a[0] << endl;
						b++;
						break;
					}				 
			} else if (a[0] == p[j*2+1]) {
				for (int k = 0; k < p.size()/2; k++)
					if (a[1] == p[k*2]) {
						cout << a[0] << " " << a[1] << endl;
						b++;
						break;
					}
			}
		}
		if (b) break;
	}
	return 0;
}

Test 1

Group: 1

Verdict: ACCEPTED

Test 2

Group: 1

Verdict: WRONG ANSWER

Test 3

Group: 1

Verdict: WRONG ANSWER

Test 4

Group: 1

Verdict: WRONG ANSWER

Test 5

Group: 1

Verdict: WRONG ANSWER

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