#include <bits/stdc++.h>

using namespace std;

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

const int MAX_N = 100000;
const int MAX_K = log2(MAX_N);

int rmq[MAX_K + 1][MAX_N + 1];

int N, M, K;

int main()
{
    fin >> N >> M;

    K = log2(N);


    for(int i = 1; i <= N; ++i)
        fin >> rmq[0][i];


    for(int k = 1; k <= K; ++k)
        for(int i = 1; i <= N - (1 << k) + 1; ++i)
            rmq[k][i] = min(rmq[k - 1][i], rmq[k - 1][i + (1 << (k - 1))]);


    for(int i = 1; i <= M; ++i)
    {
        int x, y;
        fin >> x >> y;

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

        fout << min(rmq[k][x], rmq[k][y - (1 << k) + 1]) << '\n';
    }



}