#include <iostream>
#include <fstream>
#include <cmath>
using namespace std;
ifstream f("rmq.in");
ofstream g("rmq.out");
#define MAXN 100010
#define MAXLOGN 100
int a[MAXN][MAXLOGN],n,m,v[MAXN],x,y,k;
int main()
{
    f>>n>>m;
    for(int i=0;i<n;i++)
    {
        f>>v[i];
    }
    for(int i=0;i<n;i++)
    {
        a[i][0]=i;
    }
    for(int j=1;1<<j<=n;j++)
    {
        for(int i=0;i+(1<<j)-1<n;i++)
        {
            if(v[a[i][j-1]]<=v[a[i+(1<<(j-1))][j-1]])
            a[i][j]=a[i][j-1];
            else
            a[i][j]=a[i+(1<<(j-1))][j-1];
        }
    }
    while(m--)
    {
        f>>x>>y;
        x--;
        y--;
        k=log2(y-x+1);
        if(v[a[x][k]]<v[a[y-(1<<k)+1][k]])
        g<<v[a[x][k]]<<'\n';
        else
        g<<v[a[y-(1<<k)+1][k]]<<'\n';
    }
    return 0;
}