#include <iostream>
#include <fstream>
using namespace std;

int i,j,log[100005],rmq[18][100005],p,n,m;

int main()
{

    ifstream cin("rmq.in");
    ofstream cout("rmq.out");

    cin>>n>>m;
    log[1]=0;

    for (i=1; i<=n; ++i) {
       log[i+1]=log[(i+1)/2]+1;
       cin>>rmq[0][i];
    }

    //build rmq
    for (i=1, p=1; i<=log[n]; ++i, p*=2)
     for (j=1; j+p*2-1<=n; ++j)
      rmq[i][j]=min(rmq[i-1][j],rmq[i-1][j+p]);



    int x,y;
    for (i=1; i<=m; ++i){

       cin>>x>>y;

       int dist=log[y-x+1];

       cout<<min(rmq[dist][x],rmq[dist][y-(1<<dist)+1])<<"\n";

    }

    return 0;
}