#include <fstream>

using namespace std;

ifstream fin("rmq.in");
ofstream fout("rmq.out");

const int N=100001, L = 17;
int n,m,x,y,ans;
int log2[N];
int rmq[L][N];

int main()
{
    fin>>n>>m;
    for(int i=1;i<=n;i++)
    {
        fin>>x;
        rmq[0][i]=x;
    }

    log2[1]=0;
    for(int i=2;i<=n;i++)
    {
        log2[i]=1+log2[i/2];
    }

    for(int i=1;i<=log2[n];i++)
    {
        for(int j=1<<i;j<=n;j++)
        {
            int jj=j-(1<<(i-1));
            rmq[i][j]=min(rmq[i-1][jj],rmq[i-1][j]);
        }
    }



    for(int i=1;i<=m;i++)
    {
        fin>>x>>y;
        int l=log2[y-x+1];
        int pp=x+(1<<l)-1;
        ans=min(rmq[l][pp],rmq[l][y]);
        //fout<<x<<" "<<y<<" "<<pp<<" "<<rmq[l][pp]<<" "<<rmq[l][y]<<" ";
        fout<<ans<<'\n';
    }
    return 0;
}