39 lines
506 B
C++
39 lines
506 B
C++
#include <bits/stdc++.h>
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using namespace std;
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void test_case(int tc){
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int n;
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cin >> n;
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vector<int> seq(n);
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for(int i = 0; i < n; ++i){
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cin >> seq[i];
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}
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sort(seq.begin(), seq.end());
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for(int i = 1; i < n / 2 + 1; ++i){
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cout << seq[i] << " " << seq[0] << "\n";
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}
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}
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int main(){
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ios::sync_with_stdio(0);
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cin.tie(0);
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int t;
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cin >> t;
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for(int tc = 1; tc <= t; ++tc){
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test_case(tc);
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}
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cout << flush;
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return 0;
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} |