#include <fstream>
#include <iostream>
using namespace std;
ifstream fin("rmq.in");
ofstream fout("rmq.out");
int a[100001][17],n,m,v[100001],x,y,l,log[100001];

int main()
{
    fin>>n>>m;
    for(int i=1;i<=n;i++) fin>>v[i], a[i][0]=v[i];
    for(int j=1;j<=16;j++)
        for(int i=1;i+(1<<j)-1<=n;i++)
            a[i][j]=min(a[i][j-1], a[i+(1<<(j-1))][j-1]);

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

    for(int i=0;i<m;i++)
    {
        fin>>x>>y;
        l=y-x+1;
        fout<<min(a[x][log[l]], a[y-(1<<log[l])+1][log[l]])<<'\n';
    }
}