#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("rmq.in");
ofstream fout("rmq.out");
int q,r[100001][100001],n,log2[100001];
int main()
{   fin>>n>>q;
    for(int i=1;i<=n;++i)
        fin>>r[0][i];
    for(int i=1;(1<<i)<=n;i++)
        for(int j=(1<<i);j<=n;j++)
            {int p=1<<(i-1);
            r[i][j]=min(r[i-1][j-p],r[i-1][j]);}
        log2[1]=0;
        for(int i=2;i<=n;i++)
            log2[i]=log2[i/2]+1;
                for (int i = 0 ;i < q; i++)
    {
        int st, dr;
        fin >> st >> dr;
        int e = log2[dr-st+1];
        int p = 1 << e;
        fout << min(r[e][st+p-1], r[e][dr]) << "\n";
    }
    return 0;
}