#include <fstream>
#include <cmath>
using namespace std;
ifstream f("rmq.in");
ofstream g("rmq.out");
int v[100002];
int rmq[17][100002],n,m,i,nr,j,x,y,k;
long long p;
int main()
{
    f>>n>>m;
    for (i=1;i<=n;i++)
    {
        f>>rmq[0][i];
    }
    nr=log2(n);
    p=1;
    for (j=1;j<=nr;j++)
    {
        for (i=1;i<=n-(1<<j)+1;i++)
        {
            rmq[j][i]=min(rmq[j-1][i],rmq[j-1][i+p]);
        }
        p=p*2;
    }
    for (j=1;j<=m;j++)
    {
        f>>x>>y;
        if (x==y)
        {
            g<<rmq[0][x]<<'\n';
            continue;
        }
        k=log2(y-x);
        g<<min(rmq[k][x],rmq[k][y-(1<<k)+1])<<'\n';
    }
    return 0;
}