#include <bits/stdc++.h>
using namespace std;
ifstream f("rmq.in");
ofstream g("rmq.out");
int rmq[20][100001], n,m,a[100001],i,j,l,p,x,y;
int main()
{

    f>>n>>m;
    for(i=1; i<=n; i++)
        f>>a[i];
    for(i=1; i<=n; i++)
        rmq[0][i]=a[i];
    for(i=1; (1<<i)<=n; i++)
    {
        for(j=1; j<= n-(1<<i)+1; j++)
        {
            l=1<<(i-1);
            rmq[i][j]=min(rmq[i-1][j],rmq[i-1][j+l]);
        }
    }
    for(i=1;i<=m;i++)
    {
        f>>x>>y;
        l=x-y+1;
        p=log2(l);
        g<<min(rmq[p][x],rmq[p][y-(1<<p)+1])<<'\n';
    }
    return 0;
}