#include <fstream>
#include <iostream>
#define NMAX 100000

using namespace std;

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

int n, m, v[NMAX+10], log2[NMAX+10], a[NMAX+10][20];

void preCalc()
{
    log2[1] = 0;
    for(int i=2; i<=n; i++) log2[i] = 1 + log2[i/2];
}

int main()
{
    f >> n >> m;
    preCalc();
    for(int i=1; i<=n; i++) f >> v[i], a[i][0] = v[i];
    for(int j=1; (1<<j)<=n; j++)
        {   for(int i=1; i<=n-(1<<j)+1; i++)
                a[i][j] = min(a[i][j-1], a[i+(1<<(j-1))][j-1]);
        }
    while(m--)
        {   int p1, p2;
            f >> p1 >> p2;
            int k = log2[p2-p1+1];
            g << min(a[p1][k], a[p2-(1<<k)+1][k]) << '\n';
        }
    return 0;
}