#include <fstream>
#define lgmax 30
#define nmax 100002
using namespace std;
ifstream fin("rmq.in");
ofstream fout("rmq.out");

int a[lgmax][nmax];
int lg[nmax];

int main()
{
    int n,m,x,y;
    fin>>n>>m;
    for(int i=1;i<=n;i++)
        fin>>a[0][i];
    for(int i=2;i<=n;i++)
        lg[i]=lg[i/2]+1;
    for(int i=1;(1<<i)<n;i++)
        for(int j=1;j<=n-(1<<(i-1));j++)
            a[i][j]=min(a[i-1][j],a[i-1][j+(1<<i-1)]);
    for(int i=1;i<=m;i++)
    {
        fin>>x>>y;
        fout<<min(a[lg[y-x+1]][y+1-(1<<(lg[y-x+1]))],a[lg[y-x+1]][x])<<"\n";
    }
    return 0;
}