#include <fstream>
using namespace std;

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

const int NMAX=1e5+5,LOGMAX=18;
int v[LOGMAX][NMAX],lg[NMAX];

int main()
{
    int n,m;
    cin.tie(0);
    cin>>n>>m;
    lg[1]=0;
    for(int i=2;i<NMAX;i++)
    {
        lg[i]=lg[i>>1]+1;
    }
    for(int i=1;i<=n;i++)
    {
        cin>>v[0][i];
    }
    for(int i=1;(1<<i)<=n;i++)
    {
        for(int j=1;j<=n-(1<<i)+1;j++)
        {
             v[i][j]=min(v[i-1][j],v[i-1][j+(1<<(i-1))]);
        }
    }
    for(int i=0;i<m;i++)
    {
        int mn,mx,diff,logg;
        cin>>mn>>mx;
        diff=mx-mn+1;
        logg=lg[diff];
        cout<<min(v[logg][mn],v[logg][mn+diff-(1<<logg)])<<'\n';
    }
    cout.flush();
    return 0;
}