#include <iostream>
#include <cstdio>
#include <cmath>
#include <algorithm>
#define INF 0x3f3f3f3f
#define NMAX 100005
using namespace std;

int n, q, a[NMAX], smen[NMAX], sqr;

void citire()
{
    scanf("%d %d ",&n,&q);

    sqr = (int) sqrt(n);

    for(int i=0;i<n;i++)
    {
        scanf("%d ",&a[i]);
        if(i%sqr==0)
        {
            smen[i/sqr]=a[i];
        }
        else
        {
            smen[i/sqr] = min(smen[i/sqr],a[i]);
        }
    }
}


int query(int i,int j)
{
    int minim = a[i];

    for(int t=i+1; t< (i/sqr+1) * sqr;t++)
        minim = min(a[t],minim);

    for(int bucata=(i/sqr)+1; (bucata+1)*sqr -1 <= j; bucata++)
        minim = min(smen[bucata],minim);



    for(int t=j/sqr * sqr; t<=j;t++)
        minim = min(a[t],minim);


    return minim;
}

void solve()
{
    for(int qq=1;qq<=q;qq++)
    {
        int i, j;
        scanf("%d %d ",&i,&j);
        printf("%d\n",query(i-1,j-1));
    }
}

int main()
{
    freopen("rmq.in","r",stdin);
    freopen("rmq.out","w",stdout);
    citire();
    solve();
    return 0;
}