#include <iostream>
#include <fstream>
using namespace std;
ifstream fi("rmq.in");
ofstream fo("rmq.out");
int n,t,a[20][100005],v[100005],x,y,z,i;
void citire(int a[][100005],int &n,int &t)
{
    int i;
    fi>>n>>t;
    for(i=1;i<=n;i++)
    {
        fi>>a[0][i];
    }
}
void calc(int mat[][100005],int n,int v[])
{
    int i,j;
    v[0]=v[1]=0;
    for(i=2;i<=n;i++)
    {
        v[i]=v[i>>1]+1;
    }
    for(i=1;i<=v[n];i++)
    {
        for(j=1;j+(1<<(i-1))<=n;j++)
            a[i][j]=min(a[i-1][j],a[i-1][j+(1<<(i-1))]);
    }
}
int main()
{
    citire(a,n,t);
    calc(a,n,v);
    for(i=1;i<=t;i++)
    {
        fi>>x>>y;
        z=v[y-x+1];
        fo<<min(a[z][x],a[z][y-(1<<z)+1])<<'\n';
    }
    return 0;
}