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

using namespace std;

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

long int rmq[LMAX][NMAX];
int lg2[NMAX];

int main() {

    int n,m;
    in >> n >> m;

    lg2[1] = 0;
    for(int i = 2; i <= n; i++)
        lg2[i] = lg2[i/2]+1;

    int lg = lg2[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 = lg2[y-x+1];
        out << min(rmq[lgx][x], rmq[lgx][y-(1<<lgx)+1]) << '\n';
    }

    return 0;
}