/*input
5
1 2 3 4 5
*/
#include<bits/stdc++.h>
using namespace std;
void solve()
{
int n;
cin>>n;vector<int> vals;
for(int i=1;i<=n;i++)
{
int temp;cin>>temp;vals.push_back(temp);
}
sort(vals.begin(), vals.end());cout<<vals[0]<<endl;
}
int main()
{
ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
int t;cin>>t;
while(t--) solve();
}
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