#include <fstream>

using namespace std;

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

const int nMax=1e5+5, logMax=17;

int n, m, rmq[logMax][nMax];

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

int calcLog(int x)
{
    int p=0;
    while((1<<p)<=x)
        p++;

    return p-1;
}

int query(int i, int j)
{
    int k=calcLog(j-i+1);
    return min(rmq[k][i+(1<<k)-1], rmq[k][j]);
}

int main()
{
    ios_base::sync_with_stdio(false);
    fin.tie(0);

    fin>>n>>m;

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

    create_rmq();

    int x, y;

    for(int i=0; i<m; i++)
    {
        fin>>x>>y;
        fout<<query(x, y)<<'\n';
    }

    fin.close();
    fout.close();

    return 0;
}