#include <iostream>
#include <fstream>
using namespace std;
int n,m,v[100010],rmq[100010][32],x,y,pmax,p,mn,log2[100010],i,j;
ifstream in("rmq.in");
ofstream out("rmq.out");


int main()
{
    in>>n>>m;
    for (int i=1; i<=n; i++)
    {
        in>>v[i];
        rmq[i][0]=v[i];
    }
    for (int j=1; (1<<j)<=n; j++)
        for (int i=1; i<=n-(1<<j)+1; i++)
            rmq[i][j]=min(rmq[i][j-1],rmq[i+(1<<(j-1))][j-1]);
    for (int i=2; i<=n; i++)
        log2[i]=log2[i/2]+1;
    for (int i=1; i<=m; i++)
    {
        in>>x>>y;
        out<<min(rmq[x][log2[y-x+1]],rmq[y-(1<<log2[y-x+1])+1][log2[y-x+1]])<<endl;
    }
}