#include <stdio.h>
#include<fstream>
#include <vector>
using namespace std;
#define nmax 100002
#define lamx 18
long int rmq[lamx][nmax], n,m, lg[nmax], a[nmax];
int main()
{
   ifstream f("rmq.in");
    ofstream g ("rmq.out");
    long int i,j,l;
    f>>n>>m;
    for (i=1;i<=n;i++)
     f>>a[i];
    lg[1]=0;
    for (i=2;i<=n;i++)
        lg[i]=lg[i/2]+1;

    for (i=1;i<=n;i++)
        rmq[0][i]=a[i];
 
    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] );
        }
 
    long int x,y,dif,el;
    for (i=1;i<=m;i++)
    {
        f>>x>>y;
        dif=y-x+1;
        l=lg[dif];
        el=dif - (1<<l);
       g<<min(rmq[l][x],rmq[l][x+el])<<endl;
    }   
    return 0;
}