#include <iostream>
#include <fstream>
#include <iomanip>

using namespace std;

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

const int MAX=1e5+5;
const int LOG=20;
int n,m,v[MAX],rmq[LOG][MAX],st,dr,lg[MAX];

int main()
{
    fin >> n >> m;
    for(int i=1;i<=n;i++)
        fin >> v[i];
    lg[1]=0;
    for(int i=2;i<=n;i++)
        lg[i]=lg[i>>1]+1;
    for(int j=1;j<=n;j++)
        rmq[0][j]=v[j];
    for(int i=1;(1<<i)<=n;i++)
        for(int j=n-(1<<(i-1))+1;j>=1;j--)
            rmq[i][j]=min(rmq[i-1][j],rmq[i-1][j+(1<<(i-1))]);
    while(m--)
    {
        fin >> st >> dr;
        int len=dr-st+1;
        fout << min(rmq[lg[len]][st],rmq[lg[len]][dr-(1<<lg[len])+1]) << '\n';
    }
    return 0;
}