#include <fstream>
#include<iostream>
#include<cmath>
using namespace std;

ifstream fin("rmq.in");
ofstream fout("rmq.out");

int rmq[17][100010];
int n,i,j,a,b,m,k,auxx;

int poww(int a,int b)
{
    int sol=1;
    while(b--)
    {
        sol*=a;
    }
    return sol;
}

int main()
{
    fin>>n>>m;
    for(i=1;i<=n;++i)
    {
        fin>>rmq[0][i];
    }
auxx=(int)(log(n)/log(2));
    for(i=1;i<=auxx;++i)
    {
        for(j=1;j<=n;++j)
        {
            rmq[i][j]=min(rmq[i-1][j],rmq[i-1][j+poww(2,i-1)]);
        }
    }

    for(i=1;i<=m;++i)
    {
        fin>>a>>b;
        k=(int)(log(b-a)/log(2));
        fout<<min(rmq[k][a],rmq[k][b-poww(2,k)+1])<<'\n';
    }

    return 0;
}