#include <fstream>
using namespace std;
ifstream f("rmq.in");
ofstream g("rmq.out");
#define LG 18
#define NMAX 100002
int N,M;
int rmq[LG][NMAX];
int a[NMAX];
int lg[NMAX];
int i,j,l;
int main()
{
    f>>N>>M;
    for(i=1;i<=N;++i)
       f>>a[i];
       lg[1]=0;
       for(i=2;i<=N;++i)
         lg[i]=lg[i/2]+1;
    for(i=1;i<=N;++i)
        rmq[0][i]=a[i];
    for(i=1;(1<<i)<=N;++i)
        for(j=1;j<=N-(1<<i)+1;++j)
    {
        l=1<<(i-1);
        rmq[i][j]=min(rmq[i-1][j],rmq[i-1][j+l]);}
    long int x,y,chestie,dif;
    for(i=1;i<=M;i++)
    {
        f>>x>>y;
        dif=y-x+1;
        l=lg[dif];
        chestie=dif-(1<<l);
        g<<min(rmq[l][x],rmq[l][x+chestie])<<'\n';
    }

    return 0;
}