#include <fstream>

using namespace std;

ifstream cin("rmq.in");
ofstream cout("rmq.out");

int main()
{
    int min_v, mj, k, i, n, m, v[100005], rmq[20][100005], j, st, dr, l;
    cin >> n >> m;
    for(i = 1; i <= n; i++){
        cin >> v[i];
        rmq[0][i] = v[i];
    }
    for(i = 1; (1 << i) <= n ; i++){
        for(j = 1; j + (1 << i) - 1 <= n; j++){
            rmq[i][j] = min(rmq[i - 1][j], rmq[i - 1][j + (1 << (i - 1))]);
        }
    }
    /*for(i = 0; (1 << i) <= n ; i++){
        for(j = 1; j + (1 << i) - 1 <= n; j++){
            cout << rmq[i][j] << " " ;
        }
        cout << endl;
    } */
    for(k = 1; k <= m; k++){
        cin >> st >> dr;
        l = dr - st + 1;
        min_v = 100001;
        i = 20;
        do{
            while((1 << i) > l){
                i--;
            }
            if(rmq[i][st] < min_v){
                min_v = rmq[i][st];
            }
            st = st + (1 << i);
            l = dr - st + 1;
        }while(st <= dr);
        cout << min_v << '\n';
    }
    return 0;
}