#include <iostream>
#include <fstream>

using namespace std;

ifstream f("rmq.in");
ofstream g("rmq.out");



int main()
{
    int n,m,v[100010][18],logaritmi[100010];
    int x,y,a;
    f>>n>>m;
    for (int i=1; i<=n; i++)
    {
        f>>v[i][0];
    }
    for(int i=2; i<=n; i++)
    {
        logaritmi[i]=logaritmi[i/2]+1;
    }
    for(int j=1; j<=logaritmi[n]; j++)
    {
        for(int i=1; i<=n-(1<<j)+1; i++)
        {
            v[i][j]=min(v[i][j-1],v[i+(1<<(j-1))][j-1]);
        }
    }

    for (int i=1; i<=m; i++)
    {
        f>>x>>y;
        a=logaritmi[y-x+1];
        g<<min(v[x][a],v[y-(1<<a)+1][a])<<"\n";
    }

    return 0;
}