#include<fstream>
#include<algorithm>
#define nmax 100001
#include<iostream>
using namespace std;
int x,y,v[16][nmax],i,j,n,m;
int main()
{
    ifstream si;
    si.open("rmq.in");

    ofstream so;
    so.open("rmq.out");
    si>>n>>m;
    for(i=1;i<=n;++i)
        si>>v[0][i];
    for(i=1;(1<<i)<=n;++i)
        for(j=1;j<=n-(1<<i)+1;++j)
            v[i][j]=min(v[i-1][j],v[i-1][j+(1<<i-1)]);
    for(i=0;i<m;++i)
    {
        si>>x>>y;
        for(j=1;(1<<j)<=y-x+1;++j);
        --j;
        so<<endl<<min(v[j][x],v[j][x+(y-x+1)-(1<<j)]);
    }
}