#include<iostream>
#include<fstream>
using namespace std;
ifstream fin("rmq.in");
ofstream fout("rmq.out");
int rmquery[18][100001];
int query(int x,int y)
{
    int p=1,ct=0;
    while (p*2<=y-x+1)
    {
        p=p*2;
        ct++;
    }
    return min(rmquery[ct][x], rmquery[ct][y-p+1]);
}
int main()
{
    int n,m,x,y;
    fin>>n>>m;
    for (int i=1; i<=n; i++)
        fin>>rmquery[0][i];
    for (int i=1,p=2; p<=n; i++,p*=2)
        for (int j=1; j<=n; j++)
        rmquery[i][j]=min(rmquery[i-1][j],rmquery[i-1][j+p/2]);
    for (int i=1; i<=m; i++)
    {
        fin>>x>>y;
        fout<<query(x,y)<<'\n';
    }
    return 0;
}