#include <iostream>
#include <fstream>
#include <cmath>
using namespace std;
ifstream f("rmq.in");
ofstream g("rmq.out");
int n,m,a[21][100000];
int main()
{
    int i,j,x,y;
    f>>n>>m;
    for(i=1;i<=n;i++)
        f>>a[0][i];
    for(i=1;(1<<i)<=n;i++)
        for(j=1;j<=n-(1<<i)+1;j++)
            a[i][j]=min(a[i-1][j],a[i-1][j+(1<<(i-1))]);
    for(i=1;i<=m;i++)
    {
        f>>x>>y;
        int lungime=y-x+1;
        lungime=log2(lungime);
        g<<min(a[lungime][x],a[lungime][y-(1<<lungime)+1])<<'\n';
    }
    return 0;
}