#include <fstream>
#include <cmath>
using namespace std;

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

const int NMax = 1e5;
const int logNMax = 20;

int rmq[NMax][logNMax];

void calculeazaMat(int n) {
    for (int j = 1; j <= log2(n); j++) {
        for (int i = 0; i + (1 << j) <= n; i++) {
            rmq[i][j] = min(rmq[i][j - 1], rmq[i + (1 << (j - 1))][j - 1]);
        }
    }
}

int query(int i, int j) {
    int k = log2(j - i + 1);
    return min(rmq[i][k], rmq[j - (1 << k) + 1][k]);
}

int main() {
    int n, m;
    fin >> n >> m;
    for (int i = 0; i < n; i++) {
        fin >> rmq[i][0];
    }
    calculeazaMat(n);
    for (int i = 0; i < m; i++) {
        int x, y;
        fin >> x >> y;
        fout << query(x -  1, y - 1) << "\n";
    }

    fin.close();
    fout.close();
    return 0;
}