#include <fstream>
using namespace std;
ifstream cin("rmq.in");
ofstream cout("rmq.out");
int n,m,x,y,rmq[30][200005],lg[200005],k;

int main()
{
    cin>>n>>m;
    for(int i=2; i<=n; i++)
        lg[i]=lg[i>>1]+1;
    for(int i=0; i<n; i++)
    {
        cin>>x;
        rmq[0][i+1]=x;
    }
    for(int i=1; (1<<i)<=n; i++)
        for(int j=1; j<=n-(1<<i)+1; j++)
            rmq[i][j]=min(rmq[i-1][j],rmq[i-1][j+(1<<(i-1))]);
    for(int i=1; i<=m; i++)
    {
        cin>>x>>y;
        if(x>y)
            swap(x,y);
        k=lg[y-x+1];
        cout<<min(rmq[k][x],rmq[k][y-(1<<k)+1])<<'\n';
    }

}