#include <fstream>
#include <cmath>
using namespace std;
int ma[22][100005];
int main()
{
    int n,m,i,j,k,x,y;
    ifstream in("rmq.in");
    ofstream out("rmq.out");
    in>>n>>m;
    for(i=1;i<=n;i++)
    {
        in>>ma[0][i];
    }
    k=1;
    int nn=log2(n);
    for(i=1;i<=nn;i++)
    {
        for(j=1;j<=n;j++)
        {
            ma[i][j]=min(ma[i-1][j],ma[i-1][j+k]);
        }
        k*=2;
    }
    for(i=1;i<=m;i++)
    {
        in>>x>>y;
        k=log2(y-x+1);
        int val = 1 << k;
        out<<min(ma[k][x],ma[k][y-val+1])<<endl;
    }
    return 0;
}