#include <bits/stdc++.h>

#define NMAX 100005

using namespace std;

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

int n, m;
int rmq[20][NMAX];
int lg[NMAX];

int main()
{
    int x, y, i, j, k;
    f >> n >> m;
    lg[1] = 0;
    for(i = 2; i <= n; i++)
    {
        lg[i] = lg[i>>1] + 1;
    }
    for(i = 1;i <= n; i++)
    {
        f >> rmq[0][i];
    }
    for(i = 1;(1<<i) <= n; i++)
    {
        for(j = 1; j <= n - (1<<i) + 1; j++)
        {
            rmq[i][j] = min(rmq[i-1][j], rmq[i-1][j+(1<<(i-1))]);
        }
    }
    for(i = 1; i <= m; i++)
    {
        f >> x >> y;
        if(x > y)
            swap(x,y);
        k = lg[y-x+1];
        g << min(rmq[k][x],rmq[k][y-(1<<k)+1]) << '\n';
    }
    return 0;
}