#include <bits/stdc++.h>
#define Nmax 100005

using namespace std;

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

int a[18][Nmax],m,t,i,n,x,y,j,k;

int main()
{
    f >> m >> t;
    for(i = 1;i <= m;i++)
        f >> a[0][i];

    n = log2(m);
    k = 1;

    for(i = 1;i <= n;i++)
    {
        for(j = 1;j <= m - 2*k + 1;j++)
            a[i][j] = min(a[i - 1][j] , a[i - 1][j + k]);

        k *= 2;
    }

    for(i = 1;i <= t;i++)
    {
        f >> x >> y;
        k = log2(y - x + 1);
        m = pow(2,k);
        g << min(a[k][x], a[k][y - m + 1]) << '\n';
    }
    return 0;
}