#include <iostream>
#include <fstream>
using namespace std;
ifstream f("rmq.in");
ofstream g("rmq.out");
int n,m,v[100010][18],i,log[1001],k,x,y,aux;
int main()
{
f>>n>>m;
for (i=1;i<=n;i++)
{
    f>>v[i][0];
}
for(i=2;i<=n;i++)
{
    log[i]=log[i/2]+1;
}
for(k=1;k<=log[n];k++)
{
    for(i=1;i<=n-(1<<k)+1;i++)
    {
        v[i][k]=min(v[i][k-1],v[i+(1<<(k-1))][k-1]);
    }
}

for (i=1;i<=m;i++)
{
    f>>x>>y;
    aux=log[y-x+1];
    g<<min(v[x][aux],v[y-(1<<aux)+1][aux])<<"\n";
}


    return 0;
}