#include <fstream>

#define Ndim 100001
using namespace std;
ifstream fin("rmq.in");
ofstream fout("rmq.out");
int RMQ[17][Ndim],Lg[Ndim];
int main()
{
    int n,m,i,j,p,x,y;
    fin>>n>>m;
    Lg[0] = -1;
    for(i=1;i<=n;i++)
    {
        fin>>RMQ[0][i];
        Lg[i] = Lg[i/2]+1;
    }
    Lg[0] = 0;
    for(i=1; (1<<i) <= n;i++)
    {
        for(j=1; j + (1<<i) -1<= n;j++)
        {
            RMQ[i][j] = min(RMQ[i-1][j], RMQ[i-1][j+(1<<(i-1))]);
        }
    }
    for(i=1;i<=m;i++)
    {
        fin>>x>>y;
        p = Lg[y-x+1];
        fout<<min(RMQ[p][x],RMQ[p][y-(1<<p)+1])<<'\n';
    }
    return 0;
}