#include <fstream>

#define Ndim 100001
using namespace std;
ifstream fin("rmq.in");
ofstream fout("rmq.out");
int RMQ[17][Ndim],Lg[Ndim];
int main()
{
    int n,m,i,j,l,a,b;
    fin>>n>>m;
    for(i=1;i<=n;i++)
        fin>>RMQ[0][i];
    Lg[1] = 0;
    for(i=2;i<=n;i++)
        Lg[i] = Lg[i/2]+1;
    for(i=1;(1<<i)<=n;i++)
        for(j=1;j+(1<<i)-1<=n;j++)
            RMQ[i][j] = min(RMQ[i-1][j],RMQ[i-1][j+(1<<(i-1))]);
    for(i=1;i<=m;i++)
    {
        fin>>a>>b;
        l = Lg[b-a+1];
        fout<<min(RMQ[l][a],RMQ[l][b-(1<<l)+1])<<'\n';
    }
    return 0;
}