#include <bits/stdc++.h>

using namespace std;

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

const int NMAX=1e5;
int n,m,v[NMAX+7],a[20][NMAX+7];

int main()
{

    fin >> n >> m;

    for(int i=1;i<=n;i++)
        fin >> v[i], a[0][i]=v[i];

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

    for(;m;m--)
    {
        int x,y;
        fin >> x >> y;
        int l=log(y-x+1)/log(2);
        fout << min(a[l][x],a[l][y+1-(1<<l)]) << "\n";
    }

    return 0;

}