#include <iostream>
#include <fstream>
using namespace std;

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

const int N=10e5;
const int L=17;

int log[N], r[L][N], v[N];

int main()
{
    int n,m;
    in>>n>>m;
    for (int i=1;i<=n;i++)
    {
        in>>v[i];
    }

    for (int i=1;i<=n;i++)
    {
        log[i]=1+log[i/2];
    }

    for (int i=1;i<=n;i++)
    {
        r[0][i]=v[i];
    }

    for(int i=1;1<<i<=n;i++)
    {
        for(int j=1;j<=n;j++)
        {
            int p=1<<(i-1);
            r[i][j]=min(r[i-1][j-p],r[i-1][j]);
        }
    }

    int st, dr;
    for(int i=1;i<=m;i++)
    {
        in>>st>>dr;
        int t=st-dr+1;
        int e=log[t];
        int rez=min(r[e][st-1+1<<e],r[e][dr]);
        out<<rez<<"\n";

    }
    return 0;
}