#include <fstream>
#include <vector>
using namespace std;
ifstream cin("rmq.in");
ofstream cout("rmq.out");
int n, m, dr, st;
vector<int> E;
vector<vector<int>> r;
void precalc()
{
    for(int p=1; (1<<p) <= n; p++)
        for(int i=1; i<=n; i++)
        {
            r[p][i] = r[p-1][i];
            int j = i + (1 << (p-1));
            if(j <= n && r[p][i] > r[p-1][j])
                r[p][i] = r[p-1][j];
        }
    for(int i=2; i<=n; i++)
        E[i] = E[i/2] + 1;
}

int main()
{
    cin >> n >> m;
    r.assign(20, vector<int>(n+1, 0));
    E.resize(n+1);
    for(int i=1; i<=n; i++)
        cin >> r[0][i];
    precalc();
    while(m--)
    {
        cin >> st >> dr;
        int exp = E[dr - st + 1];
        int ans = min(r[exp][st], r[exp][dr - (1<<exp) + 1]);
        cout << ans << '\n';
    }
    return 0;
}