#include <iostream>
#include <fstream>
#include <vector>
#include <cmath>
#define NMAX 100002
#define LMAX 18

using namespace std;

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

long int rmq[LMAX][NMAX];

int main() {

    int n,m;
    in >> n >> m;
    int lg = log2(n);

    for(int i = 1; i <= n; i++)
        in >> rmq[0][i];

    for(int i = 1; i <= lg; i++)
        for(int j = 1; j <= n; j++)
            rmq[i][j] = min(rmq[i-1][j], rmq[i-1][j+(1<<(i-1))]);

    int x,y;
    int lgx;

    for(int i = 1; i <= m; i++) {
        in >> x >> y;
        lgx = log2(y-x+1);
        out << min(rmq[lgx][x], rmq[lgx][y-(1<<lgx)+1]) << '\n';
    }

    return 0;
}