#include <fstream>

using namespace std;
const int NMAX=100005;
int v[NMAX], rmq[18][NMAX], lg[NMAX];
int main()
{
    ifstream in("rmq.in");
    ofstream out("rmq.out");
    int n, m;
    in>>n>>m;
    for(int i=1; i<=n; i++)
        in>>v[i];

    lg[1]=0;
    for(int i=2; i<=n; i++)
        lg[i]=lg[i/2]+1;

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

    for(int i=1; (1<<i)<=n; i++)
        for(int j=1; j<=n-(1<<i)+1; j++)
        {
            int x=1<<(i-1);
            rmq[i][j]=min(rmq[i-1][j], rmq[i-1][j+x]);
        }

    for(int i=1; i<=m; i++)
    {
        int x, y, l, d, dif;
        in>>x>>y;
        dif=y-x+1;
        l=lg[dif];
        d=dif-(1<<l);
        out<<min(rmq[l][x], rmq[l][x+d])<<'\n';

    }

    return 0;
}