/*****************************************
       Butoi Alexandru - Gabriel
           Colegiul National
         "Iancu  de  Hunedoara"
*****************************************/ 

#include <fstream>
#define ll long long
using namespace std;
ifstream fin("rmq.in");
ofstream fout("rmq.out");
int n, m, rmq[18][100003];
#if 1
#define cin fin
#define cout fout
#endif
int main() {
    /*int p;
    p = 31 - __builtin_clz(r-l+1); /// O(1)
    /// sau pt codeblocks
    g[i] = p.max;
    lg[1] = 0;
    lg[i] = 1  + lg [i/2];
    2^p <= i;*/
    cin >> n >> m;
    for (int i = 1; i <= n; i++) {
        cin >> rmq[0][i];
    }
    int i = 1;
    while ((1 << i) <= n) {
        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))]); 
        } i++;
    }
    for (int i = 1; i <= m; i++) {
        int l, r;
        cin >> l >> r;
        int p = 31 - __builtin_clz(r -  l + 1); ///  O(1)
        cout << min(rmq[p][l], rmq[p][r - (1 << p) + 1]) << '\n';
    }
    return 0;
}