#include <bits/stdc++.h>

using namespace std;

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

void usain_bolt()
{
    ios::sync_with_stdio(false);
    fin.tie(0);
}

const int N = 1e5 + 5;

int a[N], rmq[21][N], lg[N];

int main()
{
    usain_bolt();

    int n, q;

    fin >> n >> q;
    for(int i = 1; i <= n; ++i) {
        fin >> a[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(; q; --q) {
        int x, y;

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