#include <iostream>
#include <fstream>
using namespace std;
int a[100003], rmq[18][100003], lg[100003], n, l, sh, diff, i, j, m, x, y;
int main()
{
    ifstream fin("rmq.in");
    ofstream fout("rmq.out");
    fin>>n>>m;
    for(i=1; i<=n; i++) fin>>a[i], rmq[0][i]=a[i];
    lg[1]=0;
    for(i=2; i<=n; i++)
        lg[i]=lg[i/2]+1;

    for(i=1; (1<<i)<=n; i++)
    {
        for(j=1; j<=n-(1<<i)+1; j++)
        {
            l=1<<(i-1);
            rmq[i][j]=min(rmq[i-1][j], rmq[i-1][j+l]);
        }
    }
    for(i=1; i<=m; i++)
    {
        fin>>x>>y;
        diff=y-x+1;
        l=lg[diff];
        sh=diff-(1<<l);
        fout<<min(rmq[l][x], rmq[l][x+sh])<<"\n";
    }
    return 0;
}