#include <fstream>
using namespace std;

ifstream is ("rmq.in");
ofstream os ("rmq.out");

int n, Q, x, y;
int RMQ[20][100005];

int main()
{
    is >> n >> Q;
    for (int i = 1; i <= n; ++i)
        is >> RMQ[0][i];
    for (int i = 1; (1<<i) <= n; ++i)
        for (int j = 1; j+(1<<i)-1 <= n; ++j)
            RMQ[i][j] = min(RMQ[i-1][j], RMQ[i-1][j+(1<<i-1)]);
    for (int q = 0, k = 0; q < Q; ++q, k = 0)
    {
        is >> x >> y;
        for (int Z = 1; Z <= (y-x); Z <<= 1, ++k); --k;
        os << min( RMQ[k][y-(1<<k)+1], RMQ[k][x] ) << '\n';
    }


    is.close();
    os.close();
}