#include <iostream>
#include <fstream>
using namespace std;
ifstream in("rmq.in");
ofstream out("rmq.out");
const int N=100001;
int log2[N],v[N],r[N][17],n,m;
int main()
{
    int i,j,a,b,l,rez;
    in>>n>>m;
    for(i=1;i<=n;i++)
        in>>v[i];
    for(i=2;i<=n;i++)
        log2[i]=1+log2[i/2];
    for(i=1;i<=n;i++)
    {
        r[i][0]=v[i];
        j=1;
        while((1<<j)<=i)
        {
            r[i][j]=min(r[i-(1<<(j-1))][j-1],r[i][j-1]);
            j++;
        }
    }
    for(i=1;i<=m;i++)
    {
        in>>a>>b;
        l=log2[b-a+1];
        rez=min(r[b][l],r[a+(1<<l)-1][l]);
        out<<rez<<'\n';
    }
    return 0;
}