#include <fstream>

using namespace std;

int n,m,rmq[100005][20],put[20],apr[100005],a[100005],x,y;

int main()
{
    ifstream in ("rmq.in");
    ofstream out ("rmq.out");

    in>>n>>m;
    for (int i=1;i<=n;++i) in>>a[i];

    put[0]=1;
    for (int i=1;i<20;++i) put[i]=put[i-1]*2;
    apr[0]=0;
    for (int i=1;i<100005;++i) { apr[i]=apr[i-1]; if (put[apr[i]+1]==i) apr[i]++; }
    for (int i=n;i>0;--i)
    {
        rmq[i][0]=a[i];
        for (int j=1; j<=17;++j)
        {
            if (i+put[j]-1<=n)
            {
                rmq[i][j]=rmq[i][j-1];
                if (rmq[i+put[j-1]][j-1]<rmq[i][j]) rmq[i][j]=rmq[i+put[j-1]][j-1];
            }
        }
    }

    for (int i=1;i<=m;++i)
    {
        in>>x>>y;
        if (y<x) { int t=x; x=y; y=t; }
        int dif=y-x+1,minim;
        minim=rmq[x][apr[dif]];
        if (minim>rmq[y-put[apr[dif]]+1][apr[dif]]) minim=rmq[y-put[apr[dif]]+1][apr[dif]];
        out<<minim<<"\n";
    }

    in.close();
    out.close();
    return 0;
}