#include<iostream>
#include<fstream>
#define nmax 1000000
#define lmax 18
#include<vector>
using namespace std;
ifstream f("rmq.in");
ofstream g("rmq.out");
int main()
{
    int n,m,a[nmax],l,i,j,lg[lmax],rmq[lmax][lmax];
    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 long 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]));
    }  
    return 0;
}