#include <fstream>
using namespace std;
ifstream fin("rmq.in");
ofstream fout("rmq.out");
int v[18][100001],m,n,i,j,mini,r,z,a,b,d;
int main()
{
    fin>>n>>m;
    for(i=1;i<=n;i++)
        fin>>v[0][i];
    for(i=1;1<<i<=n;i++)
    {
        r=(1<<(i-1))+1;
        if(r==2)
            n++;
        for(j=1;j<=n-r;j++)
        {mini=100000000;
            for(z=j;z<j+r;z++)
                mini=min(mini,v[i-1][z]);
            v[i][j]=mini;
        }
        if(r==2)
            n--;
    }
    for(i=1;i<=m;i++)
    {
        fin>>a>>b;
        if(b>a)
        {
            int aux=a;
            a=b;
            b=aux;

        }
        d=a-b+1;
        z=0;
        while((1<<z+1)<=d)
            z++;
        fout<<min(v[z][b],v[z][b-(1<<z)+d]);

        fout<<'\n';
    }
    return 0;
}