#include <fstream>

using namespace std;

ifstream fin("rmq.in");
ofstream fout("rmq.out");

int n, m, x, y;
int rmq[20][100001];

int main()
{
    fin >> n >> m;

    for(int i=1;i<=n;i++)
        fin >> rmq[0][i];

    for(int i=1,lg=2;lg<=n;i++,lg*=2)
        for(int j=1;j+lg-1<=n;j++)
            rmq[i][j] = min(rmq[i - 1][j], rmq[i - 1][j + lg / 2]);

    for(int w=1;w<=m;w++)
    {
        fin >> x >> y;

        int lg = y - x + 1;

        int i = 0, Z = 1;
        while(Z * 2 <= lg)
        {
            Z *= 2;
            i++;
        }

        int rez = min(rmq[i][x], rmq[i][y - Z + 1]);

        fout << rez << '\n';
    }

    return 0;
}