#include <iostream>

using namespace std;

const int NMAX = 2 * 1e5;
const int LOG = 20;
const char nl = '\n';

int sptbl[NMAX + 5][LOG];
int a[NMAX + 5];
int log_bin[NMAX + 5];

int query(int l, int r) {
    int len = r - l + 1;
    int k = log_bin[len];
    return min(sptbl[l][k], sptbl[r - (1 << k) + 1][k]);
}

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);

    freopen("rmq.in", "r", stdin);
    freopen("rmq.out", "w", stdout);

    int n, q;
    cin >> n >> q;
    for (int i = 1; i <= n; ++i) {
        cin >> a[i];
        sptbl[i][0] = a[i];
    }

    log_bin[1] = 0;
    for (int i = 2; i <= n; ++i) {
        log_bin[i] = log_bin[i / 2] + 1;
    }

    for (int j = 1; j < LOG; ++j) {
        for (int i = 1; i + (1 << j) - 1 <= n; ++i) {
            sptbl[i][j] = min(sptbl[i][j - 1], sptbl[i + (1 << (j - 1))][j - 1]);
        }
    }

    while (q--) {
        int x, y;
        cin >> x >> y;
        cout << query(x, y) << nl;
    }
    return 0;
}