#include <fstream>
#include <cmath>

using namespace std;
const int SIZE = 1e5+10;

ifstream cin("rmq.in");
ofstream cout("rmq.out");

int n, m, mat[20][SIZE], a, b, l;
int p2[SIZE];

int main()
{
    p2[1] = 0;
    for(int i=2; i<SIZE; i++)
        p2[i] = p2[i/2] + 1;
    cin>>n>>m;
    for(int i=1; i<=n; i++) cin>>mat[0][i];
    for(int i=1; i<=p2[n]; i++)
        for(int j=1; j<=n-(1<<i)+1; j++)
            mat[i][j] = min(mat[i-1][j], mat[i-1][j+(1<<(i-1))]);
    while(m--)
    {
        cin>>a>>b;
        l = b-a+1;
        cout<<min(mat[p2[l]][a], mat[p2[l]][b-p2[l]])<<'\n';
    }
    return 0;
}