#include <bits/stdc++.h>
using namespace std;
ifstream f("rmq.in");
ofstream g("rmq.out");
int N, M,i, j, k,  i1, i2, A[17][100001], value, minim;
int main()
{
    f >> N >> M;
    for (i = 1; i <= N; i++)
    {
        f >> value;
        A[0][i]=value;  //adaugam pe prima linie valorile date
    }

    //creem RMQ ul propriu zis
    for ( i= 1; (1 << i) <= N; i++)
    {
        for( j=0; ( j+ ( 1 << i ) -1 ) <= N; j++)
        {
            A[i][j] = min (A[i-1][j], A[i-1][j+ (1 << (i-1))]);
        }
    }
    //gasim si afisam minimul
    for (k =1; k <= M; k++)
    {
        int length,p;
        f >> i1 >>i2;
        length = i2 - i1;
        p = log2(length);
        minim = min( A[p][i1], A[p] [i2 - (1 << p) + 1] );
        g << minim << endl;

    }
    f.close();
    g.close();
    return 0;

}