#include<fstream>
using namespace std;
int n, m, i, j, x[18][100005], y[100005], p, a, b;
ifstream in("rmq.in");
ofstream out("rmq.out");
int main()
{
    in>>n>>m;
    for(i=1; i<=n; i++)
        in>>x[0][i];
    for(i=1; (1<<i)<=n; i++)
    {
        for(j=1; j<=n; j++)
        {
            x[i][j]=min(x[i-1][j], x[i-1][j+(1<<(i-1))]);
        }
    }
    for(i=2; i<=n; i++)
        y[i]=1+y[i/2];
    for(;m--;)
    {
        in>>a>>b;
        p=y[b-a+1];
        out<<min(x[p][a], x[p][b-(1<<p)+1])<<"\n";
    }
    return 0;
}