#include <fstream>
#include <cmath>

using namespace std;

ifstream cin("rmq.in");
ofstream cout("rmq.out");

int n,q,a[100001];
int rmq[20][100001];

int main()
{
    cin>>n>>q;
    
    for(int i=1;i<=n;i++)
        cin>>a[i];
        
    for(int i=1;i<=n;i++)
        rmq[1][i]=a[i];
        
    for(int r=2,k=2;k<=n;r++,k*=2)
        for(int i=1;i<=n-k+1;i++)
            rmq[r][i]=min(rmq[r-1][i],rmq[r-1][i+k/2]);
    
    for(int a,b,k=1;k<=q;k++)
    {
        cin>>a>>b;
        
        int m=pow( 2 , (int)log2(b-a+1) );
        int r=(int)log2(b-a+1)+1;
        
        cout<<min( rmq[r][a] , rmq[r][b-m+1] )<<'\n';
    }
    
    return 0;
}