#include<fstream>
#include<vector>
#include<string>
#define modulo 666013

using namespace std;

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

const int NMAX = 100005;
int i, n, k, j,m,st,dr,sol,x,y;
int lg[NMAX];
int rmq[25][NMAX];

int main()
{
    fin >> n >> m;
    for(i = 1; i <= n; i++)
    {
        fin >> rmq[0][i];
    }

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

    for(int i = 1; (1<<i) <= n; ++i)
    {
        for(int j = 1; j <= n; ++j)
        {
            rmq[i][j] = min(rmq[i - 1][j], rmq[i - 1][j + (1 << (i - 1))]);
        }
    }

    for(i = 1; i <= m; i++)
    {
        fin >> st >> dr;
        int k = lg[(dr - st )];
        fout << min(rmq[k][st], rmq[k][dr - (1 << k) + 1] ) << "\n";
    }
}