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

#define pb push_back
#define dbg(x) cout << #x << ": " << x << "\n";
#define sz(x) ((int)x.size())

using ll = long long;

const string fn = "rmq";
ifstream fin(fn + ".in");
ofstream fout(fn + ".out");

int n, m;
int rmq[20][100005];
int logs[100005];

int main()
{
    fin >> n >> m;
    for (int i = 1; i <= n; ++i)
        fin >> rmq[0][i];
    logs[1] = 0;
    for (int i = 2; i <= n; ++i)
        logs[i] = logs[i >> 1] + 1;
    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))]);
    while (m--)
    {
        int x, y;
        fin >> x >> y;
        int k = logs[y - x + 1];
        fout << min(rmq[k][x], rmq[k][y - (1 << k) + 1]) << '\n';
    }
    return 0;
}