#include <fstream>
#include <math.h>
using namespace std;
int rmq[100001][18];
ifstream cin("rmq.in");
ofstream cout("rmq.out");
int main()
{
    int n,q;
    cin>>n>>q;
    for(int i=1;i<=n;i++)
    {
        cin>>rmq[i][0];
    }
    for(int j=1;(1<<j)<=n;j++)
    {
        for(int i=1;i<=n;i++)
        {
            rmq[i][j]=rmq[i][j-1];
            if(i+(1<<(j-1))<=n)
            {
                rmq[i][j]=min(rmq[i][j],rmq[i+(1<<(j-1))][j-1]);
            }
        }
    }
    while(q--)
    {
        int x,y;
        cin>>x>>y;
        int lg=(int)log2(y-x+1);
        cout<<min(rmq[x][lg],rmq[y-(1<<lg)+1][lg])<<'\n';
    }
    return 0;
}