#include <bits/stdc++.h>

const std :: string FILENAME = "rmq";

std :: ifstream in (FILENAME + ".in");

std :: ofstream out (FILENAME + ".out");

const int NMAX = 1e5 + 5;

const int LOGMAX = 17;

int n;

int q;

int x;

int y;

int dp[LOGMAX][NMAX];

void precalc()
{
    for(int i = 1; i < LOGMAX; i ++)
    {
        for(int j = 1; j + (1 << i) <= n + 1; j ++)
        {
            dp[i][j] = std :: min(dp[i - 1][j], dp[i - 1][j + (1 << (i - 1))]);
        }
    }
}

int main()
{

    in >> n >> q;

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

    precalc();

    while(q --)
    {
        in >> x >> y;

        int lg = log2(y - x + 1);

        out << std :: min(dp[lg][x], dp[lg][y - (1 << lg) + 1]) << '\n';
    }

    return 0;
}