#include <bits/stdc++.h>
using namespace std;

const int N = 1e5 + 7;
const int L = 17;

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

int n, m, a[L][N];

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

    for (int i = 1, p = 2; p <= n; i++, p *= 2)
        for (int j = 1; j <= n - p / 2; j++)
            a[i][j] = min(a[i - 1][j], a[i - 1][j + p/2]);

    for (int i = 1; i <= m; i++)
    {
        int l, r, len, k;
        fin>>l>>r, len = r - l + 1, k = __lg(len);
        fout<<min(a[k][l], a[k][r - (1<<k) + 1])<<"\n";
    }
    return 0;
}