#include <fstream>

using namespace std;

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


int n,m,a[20][100001],log[100001],x,y,lg;


int Logaritm(int n)
{
    if(n==1)
        return 0;
    else
        return Logaritm(n/2)+1;
}

int main()
{
    fin>>n>>m;
    for(int i=1;i<=n;i++)
    {
        fin>>a[0][i];
        log[i]=Logaritm(i);
    }
    for(int i=1;i<=log[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))]);
    }
    while(m)
    {
        m--;
        fin>>x>>y;
        lg=log[y-x+1];

        fout<<min(a[lg][x],a[lg][y-(1<<lg)+1])<<"\n";
    }
    return 0;
}