#include <fstream>
#include <cmath>
using namespace std;
ifstream f("rmq.in");
ofstream g("rmq.out");
int rmq[40][100100];
int main()
{
    int n,m,i,j,x,y,k;
    f>>n>>m;
    for(i=1;i<=n;i++)
        f>>rmq[0][i];
    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(int q=1;q<=m;q++)
    {
        f>>x>>y;
        k=log2(y-x);
        g<<min(rmq[k][x],rmq[k][y-(1<<k)+1])<<'\n';
    }
    return 0;
}