# include <fstream>
# define DIM 100001
using namespace std;
ifstream fin("rmq.in");
ofstream fout("rmq.out");
int v[18][DIM],n,m,i,p[18],l[DIM],maxp,j,a,b,c,d,e;
int main () {
    fin>>n>>m;
    for(i=1;i<=n;i++){
        fin>>v[0][i];
    }
    p[0]=1;
    for(i=1;p[i-1]<=n;i++){
        p[i]=p[i-1]*2;
    }
    maxp=i-1;
    for(i=1;p[i]<=n;i++){
        for(j=1;j<=n;j++){
            v[i][j]=v[i-1][j];
            if(j+p[i-1]<=n)
                v[i][j]=min(v[i][j],v[i-1][j+p[i-1]]);
        }
    }
    l[1]=0;
    for(i=2;i<=n;i++){
        l[i]=l[i/2]+1;
    }
    for(i=1;i<=m;i++){
        fin>>a>>b;
        c=a;
        d=b;
        a=min(c,d);
        b=max(c,d);
        e=l[b-a+1];
        fout<<min(v[e][a],v[e][b-p[e]+1])<<"\n";
    }
    return 0;
}