#include <bits/stdc++.h>
#define NMAX 100000
#define MMAX 18
#define MOD 666013

using namespace std;

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

int n, cn, m, x, y;
int rmq[NMAX + 2][MMAX], expo[NMAX + 2];

void RMQ() {
    for (int j = 1; j < MMAX; j++) {
        cn -= (1 << (j - 1));
        for (int i = 1; i <= cn; i++) {
            rmq[i][j] = min(rmq[i][j - 1], rmq[i + (1 << (j - 1))][j - 1]);
        }
    }
}

void calc_exp() {
    for (int i = 2; i <= n; i++) {
        expo[i] = expo[(i >> 1)] + 1;
    }
}

int main() {
    ios_base::sync_with_stdio(false);
    fin.tie(NULL);
    fout.tie(NULL);

    fin >> n >> m;
    cn = n;
    for (int i = 1; i <= n; i++) {
        fin >> rmq[i][0];
    }

    RMQ();
    calc_exp();

    while (m--) {
        fin >> x >> y;
        int e = expo[y - x + 1];
        int lg = (1 << e);
        fout << min(rmq[x][e], rmq[y - lg + 1][e]) << '\n';
    }
    return 0;
}