#include <fstream>
#include <cmath>
using namespace std;
ifstream fin ("rmq.in");
ofstream fout ("rmq.out");
int n,i,j,a[33][100001],c,m,t,x,y,k;
int main(){
    fin>>n>>m;
    for(i=1;i<=n;i++){
        fin>>a[0][i];
    }
    for(i=1;i<=n;i++){
        c=1<<i;
        for(j=1;j<=n-c+1;j++){
            a[i][j]=min(a[i-1][j],a[i-1][j+c-1]);
        }
    }
    for(t=1;t<=m;t++){
        fin>>x>>y;
        c=1<<((int)(log2(y-x+1)));
        k=(int)(log2(y-x+1));
        fout<<min(a[k][x],a[k][y-c+1])<<"\n";
    }

}