#include<fstream>
#include<cmath>
using namespace std;
ifstream fin("rmq.in");
ofstream fout("rmq.out");
const int NMAX=100005,LOGNMAX=17;
int rmq[LOGNMAX][NMAX];
int main()
{
    int n,t;
    fin>>n>>t;
    for(int i=1;i<=n;++i)
        fin>>rmq[0][i];
    for(int i=1;(1<<i)<=n;++i)
        for(int j=1;j<=n-(1<<i)+1;++j)
            rmq[i][j]=min(rmq[i-1][j],rmq[i-1][j+(1<<(i-1))]);
    while(t--)
    {
        int x,y,k;
        fin>>x>>y;
        k=log2(y-x);
        fout<<min(rmq[k][x],rmq[k][y-(1<<k)+1])<<'\n';
    }
}