#include<fstream>
using namespace std;
#define NMAX 100005
ifstream fin("rmq.in");
ofstream fout("rmq.out");
int n,m,x,y,d,P[NMAX]={-1},D[20][NMAX];
int main()
{
    int i,j;
    fin>>n>>m;
    for (i=1;i<=n;++i)
    {
        fin>>D[0][i];
        P[i]=1+P[i>>1];
    }
    for (i=1;i<=1+P[n];++i)
        for (j=1;j<=n;++j)
        {
            D[i][j]=D[i-1][j];
            if ((j+(1<<(i-1)))<=n)
                D[i][j]=min(D[i][j],D[i-1][j+(1<<(i-1))]);
        }
    for (i=1;i<=m;++i)
    {
        fin>>x>>y;
        d=P[y-x+1];
        fout<<min(D[d][x],D[d][y-(1<<d)+1])<<"\n";
    }
    return 0;
}