#include <fstream>

using namespace std;

ifstream f("rmq.in");
ofstream g("rmq.out");

int n,m,a[100001][20],i,j,x,y,k;

int main()
{
    f>>n>>m;
    for(i=1;i<=n;i++)
        f>>a[0][i];

    for(i=1;(1<<i)<=n;i++)
        for(j=1;j<=n-(1<<i)+1;j++)
            a[i][j]=min(a[i-1][j],a[i-1][j+(1<<(i-1))]);



    for(i=1;i<=m;i++)
        {f>>x>>y;
        j=y-x;k=0;
        while((1<<k)<=j)
              k++;
        k--;
        g<<min(a[k][x],a[k][y-(1<<k)+1])<<'\n';}

    f.close();g.close();
}