#include <bits/stdc++.h>

using namespace std;

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

const int DIM = 100000 + 5;

int a[DIM], x[DIM], y[DIM], lg[DIM], rmq[20][DIM];
int main()
{
    int n, m;

    fin >> n >> m;
    for(int i = 1; i <= n; ++i) fin >> a[i];
    for(int i = 1; i <= m; ++i) fin >> x[i] >> y[i];
    for(int i = 2; i <= n; ++i) lg[i] = lg[i >> 1] + 1;
    for(int i = 1; i <= n; ++i) rmq[0][i] = a[i];
    for(int i = 1; (1 << i) <= n; ++i) {
        for(int j = 1; j + (1 << i) - 1 <= n; ++j) {
            rmq[i][j] = min(rmq[i - 1][j], rmq[i - 1][j + (1 << (i - 1))]);
        }
    }
    for(int i = 1; i <= m; ++i) {
        int dif = y[i] - x[i] + 1;
        int base = lg[dif];
        fout << min(rmq[base][x[i]], rmq[base][y[i] - (1 << base) + 1]) << "\n";
    }
    return 0;
}