#include <fstream>
using namespace std;
ifstream fin("rmq.in");
ofstream fout("rmq.out");
typedef short int ud;
const int NMAX=1e6+3;
const int LMAX=23;
int arr[NMAX][LMAX];
int logx[NMAX];
void constrLog(){
    int i;
    for(i=2;i<=NMAX-3;i++)
        logx[i]=logx[(i>>1)]+1;
}
int main()
{
    ios_base::sync_with_stdio(false);
    fin.tie(NULL);
    fout.tie(NULL);
    constrLog();
    int n,m,i,j,k,l,r,x;
    fin>>n>>m;
    for(i=1;i<=n;i++){
        fin>>x;
        arr[i][0]=x;
    }
    k=logx[n];
    for(j=1;j<=k;j++)
        for(i=1;i+(1<<j)<=n+1;i++)
            arr[i][j]=min(arr[i][j-1],arr[i+(1<<(j-1))][j-1]);
    while(m--){
        fin>>l>>r;
        j=logx[r-l+1];
        fout<<min(arr[l][j],arr[r-(1<<j)+1][j])<<"\n";
    }
    fin.close();
    fout.close();
    return 0;
}