#include<iostream>
#include<fstream>
#include<vector>
#define nmax 100002
#define lmax 18
using namespace std;
ifstream f("rmq.in");
ofstream g("rmq.out");

long int rmq[lmax][nmax], n,m , lg[nmax], a[nmax];

int main()
{
long int i,l,j;
    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,dif,el;
    for (i=1;i<=m;i++)
    {   f>>x>>y;
        dif=y-x+1;
        l=lg[dif];
        el=dif-(1<<l);
        g<<(min(rmq[l][x],rmq[l][x+el]))<<endl;
        }  
        return 0;}