#include <fstream>
#include <cmath>

using namespace std;
ifstream fin("rmq.in");
ofstream fout("rmq.out");

int rmq[100002][18];
int n,m;


int main()
{
    fin>>n>>m;
    for(int i=1;i<=n;i++)
        fin>>rmq[0][i];
    for(int i=1;(1 << i) <= n; i++)
        for(int j=1; j <= n - (1 << i)+1; j++)
        {
            int l = 1 << (i-1);
            rmq[i][j] = min(rmq[i-1][j], rmq[i-1][j+l]);
        }
    int x,y;
    for(int i=1;i<=m;i++)
    {
        fin>>x>>y;

        int diff = y-x+1;
        int l = log2(diff);
        int sh = diff - (1<<l);
        fout<<min(rmq[l][x],rmq[l][x+sh])<<"\n";
    }
    return 0;
}