#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("rmq.in");
ofstream fout("rmq.out");
int matrice[17][100001], n, m, x, y, log2[100001], interval;
int main()
{
    fin >> n >> m;
    for(int i = 1; i <= n; i++)
        fin >> matrice[0][i];
    log2[1] = 0;
    for(int i = 2; i <= n ; i++)
        log2[i] = log2[i/2] + 1;
    for (int i = 1; 1 << i <= n; i++)
        for (int j = 1; j + (1 << i) - 1 <= n; j++)
            matrice[i][j] = min(matrice[i - 1][j], matrice[i - 1][j + (1 << (i - 1))]);
    for(int i = 0; i < m ; i++){
        fin >> x >> y;
        interval = y - x + 1;
        fout << min(matrice[log2[interval]][x], matrice[log2[interval]][y - (1 << log2[interval]) + 1]) << '\n';
    }
    return 0;
}