#include <fstream>
#include <vector>
#include <cmath>

using namespace std;

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

int rmq[17][100001]; //matrice cu log2n linii si n coloane
vector <int> v;
int n, m;

int minim(int a, int b) //minimul de pe intervalul a, b
{
    int l = b - a + 1;
    int p = log2(l);
    return min(rmq[p][a], rmq[p][b - (1 << p) + 1]);
}

int main()
{
    f >> n >> m;
    for(int i = 1; i <= n; i++)
    {
        int x;
        f >> x;
        v.push_back(x);
        rmq[0][i] = x; //pe prima linie avem valorile din vector
    }
    //construim rmq
    for(int i = 1; 1 << i <= n; i++)
        for(int j = 0; j + (1 << i) - 1 <= n; j++)
            rmq[i][j] = min(rmq[i - 1][j], rmq[i - 1][j + (1 << (i - 1))]);

    for(int i = 1; i <= m; i++)
    {
        int x, y;
        f >> x >> y;
        g << minim(x, y) << endl;
    }
    f.close();
    g.close();
    return 0;
}