#include<stdio.h>
#include<vector>
using namespace std;
#define nmax 100005
#define logmax 17
int n, m, i, x, loga, lg, a, b, rez;
int vlog[nmax];
int rmq[nmax][logmax+5];

void citire()
{
    scanf("%ld %ld",&n,&m);
    for (i=1;i<=n;i++)
    {
        scanf("%ld",&x);
        rmq[i][0]=x;
    }
}

void calculare()
{
    for (i=2;i<=n;i++)
        vlog[i]=vlog[i/2]+1;
    for (loga=1;loga<=vlog[n];loga++)
        for (i=1;i+(1<<loga)-1<=n;i++)
           rmq[i][loga]=min(rmq[i][loga-1],rmq[i+(1<<(loga-1))][loga-1]);
}

int main()
{
    freopen("rmq.in","r",stdin);
    freopen("rmq.out","w",stdout);
    citire();
    calculare();
    for (i=1;i<=m;i++)
    {
        scanf("%ld %ld",&a,&b);
        lg=b-a+1;
        loga=vlog[lg];
        rez=min(rmq[a][loga],rmq[b-(1<<loga)+1][loga]);
        printf("%ld\n",rez);
    }
    return 0;
}