#include <fstream>
#include <cstring>
using namespace std;
ifstream cin("rmq.in");
ofstream cout("rmq.out");

int n,m,r[17][100005],e[100005];
int exp,l;
int main()
{
    cin>>n>>m;
    for(int i=1;i<=n;i++)
        cin>>r[0][i];
    e[1]=0;
    for(int i=2;i<=n;i++)
        e[i]=1+e[i/2];
    for(int p=1;(1<<p)<=n;p++)
        for(int i=1;i<=n;i++)
    {
        int j=i+(1<<(p-1));
        r[p][i]=r[p-1][i];
        if(j<=n)
            r[p][i]=min(r[p][i],r[p-1][j]);
    }
    while(m--)
    {
        int x,y;
        cin>>x>>y;
        exp=e[y-x+1];
        l=(1<<exp);
        cout<<min(r[exp][x],r[exp][y-l+1])<<'\n';
    }
    return 0;
}