#include <iostream>
#include <fstream>

using namespace std;

int r[17][100005];
int log[100005];

int main()
{
    ifstream in("rmq.in");
    ofstream out("rmq.out");
    int n,m;
    in>>n>>m;
    for (int j=0;j<n;j++)
    {
        in>>r[0][j];
    }
    log[1]=0;
    for (int i=2;i<=n;i++)
    {
        log[i]=1+log[i/2];
    }
    for (int i=1;i<=log[n];i++)
    {
        for (int j=0;j<n;j++)
        {
            r[i][j]=min(r[i-1][j],r[i-1][j+(1<<(i-1))]);
        }
    }
    int q,p;
    for (int i=1;i<=m;i++)
    {
        in>>p>>q;
        p--;
        q--;
        int l=log[q-p+1];
        out<<min(r[l][p],r[l][q-(1<<l)+1])<<"\n";
    }
    in.close();
    out.close();
    return 0;
}