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1559A.cpp
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32 lines (31 loc) · 725 Bytes
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//🎃🎃🎃😎😎😁🤓☣☣☣☣☣dark_coder☣☣☣☣☣😎😎😁🤓🎃🎃🎃
#include <bits/stdc++.h>
using namespace std;
#define IOS \
ios::sync_with_stdio(0); \
cin.tie(0); \
cout.tie(0);
#define all(x) (x).begin(), (x).end()
#define li long long int
#define pi pair<int, int>
int main()
{
IOS int t;
cin >> t;
while (t--)
{
int n, x;
cin >> n;
vector<int> v(n);
for (int i = 0; i < n; i++)
{
cin >> v[i];
if (i > 0)
x = x & v[i];
else
x = v[i];
}
cout << x<<endl;
}
return 0;
}