#include <fstream>
#include <iostream>
using namespace std;
ifstream fin("rmq.in");
ofstream fout("rmq.out");
int tree[300000];
void update (int n, int l, int r, int p, int val)
{
if (l == r)
{
tree[n] = val;
return;
}
int m = (l + r) / 2;
if (p <= m)
update(2 * n, l, m, p, val);
else
update(2 * n + 1, m + 1, r, p, val);
tree[n] = min(tree[2 * n], tree[2 * n + 1]);
}
int query (int n, int l, int r, int x, int y)
{
if (x <= l && r <= y)
return tree[n];
int s, d;
s = d = 1000001;
int m = (l + r) / 2;
if (x <= m)
s = query(2 * n, l, m, x, y);
if (y > m)
d = query(2 * n + 1, m + 1, r, x, y);
return min(s, d);
}
int main ()
{
int n, m;
fin >> n >> m;
int i;
for (i = 1; i <= n; ++i)
{
int x;
fin >> x;
update(1, 1, n, i, x);
}
for (i = 1; i <= m; ++i)
{
int x, y;
fin >> x >> y;
fout << query(1, 1, n, x, y) << '\n';
}
return 0;
}