#include <iostream>
#include <fstream>
#include <vector>
#include <math.h>

using namespace std;

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

int n, m, rmq[100002][18], lg[18];

int main()
{
    int i, j, x, y;

    f>>n>>m;
    for (i=1; i<=n; i++)
      f>>rmq[i][0];

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

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

    for (i=1; i<=m; i++)
    {
        f>>x>>y;
        for (j=0; lg[j]<=y-x+1; j++);
        j--;
        if (j!=0)
            g<<min(rmq[x][j],rmq[y-lg[j]+1][j])<<"\n";
        else
        {
            if(y-x==1)
                g<<rmq[x][1]<<"\n";
            else
                g<<rmq[x][0]<<"\n";
        }
    }
    return 0;
}