#include<fstream>
using namespace std;

int n,rmq[18][100002],lg[100002],v[100002],m,x,y,l,s,d;

int main () {

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

    int i,j;
    in>>n>>m;

    for(i=1;i<=n;i++)
        in>>v[i];

    for(i=2;i<=n;i++)
        lg[i]=lg[i/2]+1;

    for (i=1;i<=n;i++)
        rmq[0][i]=v[i];

    for(i=1;(1<<i)<=n;i++)
        for (j=1;j<=n-(1<<i)+1;j++) {
            l=1<<(i-1);
            rmq[i][j]= min(rmq[i-1][j],rmq[i-1][j+l]);
        }

    for(i=1;i<=m;i++) {

        in>>x>>y;
        d=y-x+1;
        l=lg[d];
        s=d-(1<<l);
        out<<min(rmq[l][x],rmq[l][x+s])<<'\n';
    }

    in.close();
    out.close();
    return 0;
}