# include <fstream>
using namespace std;
ifstream in("rmq.in");
ofstream out("rmq.out");
int v[100001];
int lg[100001];
int rmq[18][100001];
int main()
{
    int n,m,i,j,l;
    in>>n>>m;
    for (i=1;i<=n;i++) in>>v[i];
    lg[1]=0;
    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]);
        }
    }
    long int x,y,diff,sh;
    for (i=1;i<=m;i++)
    {
        in>>x>>y;
        diff=y-x+1;
        l=lg[diff];
        sh=diff - (1<<l);
        out<<min(rmq[l][x],rmq[l][x+sh])<<'\n';
    }
    return 0;
}