#include <fstream>
using namespace std;

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

int noduri[500001], val;

void valoareNod(int nod, int st, int dr, int poz, int val)
{
    if (st == dr)
    {
        noduri[nod] = val;
        return;
    }
    if (poz <= (st + dr) / 2)
        valoareNod(nod * 2, st, (st + dr) / 2, poz, val);
    else
        valoareNod(nod * 2 + 1, (st + dr) / 2 + 1, dr, poz, val);
    noduri[nod] = min(noduri[2 * nod], noduri[2 * nod + 1]);
}

int valMinima(int indiceNod, int st, int dr, int val1, int val2)
{
    if (val2 < st || dr < val1) return 100004;
    if (val1 <= st && dr <= val2) return noduri[indiceNod];

    int valMinSt = 100004, valMinDr = 100004, mij = (st + dr) / 2;
    if (val1 <= mij)
        valMinSt = valMinima(indiceNod * 2, st, mij, val1, val2);
    if (val2 > mij)
        valMinDr = valMinima(indiceNod * 2 + 1, mij + 1, dr, val1, val2);
    return min(valMinSt, valMinDr);


}

int main()
{
    int nrElemente, nrIntrebari;
    fin >> nrElemente >> nrIntrebari;

    for (int i = 1; i <= nrElemente; i++)
    {
        fin >> val;
        valoareNod(1, 1, nrElemente, i, val);
    }

    for (int i = 1; i <= nrIntrebari; i++)
    {
        int x, y; fin >> x >> y;
        fout << valMinima(1, 1, nrElemente, x, y) << '\n';
    }
}