#include <fstream>

using namespace std;

ifstream f("rmq.in");
ofstream g("rmq.out");

int n, m, v[1001], a[1001][1001];

int main()
{
    f >> n >> m;
    for(int i=1; i<=n; i++) f >> v[i], a[i][i] = v[i];
    for(int i=1; i<n; i++)
        for(int j=i+1; j<=n; j++)
            a[i][j] = min(a[i][j-1], v[j]);
    while(m--)
        {   int p1, p2;
            f >> p1 >> p2;
            g << a[p1][p2] << '\n';
        }
    return 0;
}