#include <fstream>
#include <cmath>
using namespace std;
ifstream f("rmq.in");
ofstream g("rmq.out");
int d[100005][20],i,j,n,q,v[100005],a,b,p;
int main()
{
    f>>n>>q;
    for(i=1;i<=n;i++)
    {
        f>>v[i];
        d[i][0]=v[i];
    }
    for(j=1;(1<<j)<=n;j++)
        for(i=1;i+(1<<j)-1<=n;i++)
    {
        d[i][j]=min(d[i][j-1],d[i+(1<<j)][j-1]);
    }
    for(i=1;i<=q;i++)
    {
        f>>a>>b;
        p=log2(b-a+1)-1;
        g<<min(d[a][p],d[b-(1<<p)+1][p])<<'\n';
    }
    return 0;
}