#include <fstream>
#define dim 100005
#define log 18
using namespace std;
ifstream fin("rmq.in");
ofstream fout("rmq.out");

int rmq[log][dim], e[dim];

int main()
{
    int n, m, i, j, exp, p, st, dr;
    fin>>n>>m;
    for(i=1;i<=n;i++)
    {
        fin>>rmq[0][i];
    }
    for(p=1;(1<<p)<=n;p++)
    {
        for(i=1;i<=n;i++)
        {
            rmq[p][i]=rmq[p-1][i];
            j=i+(1<<(p-1));
            if(j<=n&&rmq[p-1][j]<rmq[p][i])
            {
                rmq[p][i]=rmq[p-1][j];
            }
        }
    }
    e[1]=0;
    for(i=2;i<=n;i++)
    {
        e[i]=1+e[i/2];
    }
    for(i=1;i<=m;i++)
    {
        fin>>st>>dr;
        exp=e[dr-st+1];
        fout<<min(rmq[exp][st], rmq[exp][dr-(1<<exp)+1])<<"\n";
    }
    return 0;
}