#include <bits/stdc++.h>
using namespace std;
int n,m,v[100009][18];
ifstream f("rmq.in");
ofstream g("rmq.out");
int main()
{
    f>>n;
    f>>m;
    for(int i=1; i<=n; i++)
        f>>v[i][0];
    for(int j=1;j<=18;j++)
    {
        for(int i=1;i<=n-(1<<(j))+1;i++)
        {
            v[i][j]=min(v[i][j-1],v[i+(1<<(j-1))][j-1]);
        }
    }
    for (int i=1;i<=m;++i)
    {
        int a,b;
        f>>a>>b;int lg=log2(b-a+1);
        g<<min(v[a][lg],v[b-(1<<lg)+1][lg])<<"\n";
    }

    return 0;

}