#include <cstdio>
#define NMAX 100002
#define LMAX 18
using namespace std;

int m,n,t[NMAX],lg[NMAX],rmq[LMAX][LMAX];

void citire()
{
    freopen("rmq.in","r",stdin);
    scanf("%d%d",&n,&m);
    for(int i=1;i<=n;i++)
    {
        scanf("%d",&t[i]);
    }
    lg[1]=0;
    for(int i=2;i<=n;i++)
    {
        lg[i]=lg[i/2]+1;
    }
    for(int i=1;i<=n;i++) rmq[0][i]=t[i];
}
int min(int x,int y)
{
    if(x<y)return x;
    return y;
}
int main()
{   int l;
    citire();
    freopen("rmq.out","w",stdout);
    for(int i=1;(1<<i)<=n;i++)
    {   l=(1<<i-1);
        for(int j=1;j<=n-(1<<i)+1;j++)
        {
            rmq[i][j]=min(rmq[i-1][j],rmq[i-1][j+l]);
        }
    }
    int x,y,diff,sh;
    for(int i=1;i<=m;i++)
    {
        scanf("%d%d",&x,&y);
        diff=y-x+1;
        l=lg[diff];
        sh=diff-(1<<l);
        printf("%d\n",min(rmq[l][x],rmq[l][x+sh]));
    }

    return 0;
}