#include <fstream>
using namespace std;

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

int n,m,i,j,p,v[20][100001];
int l[100001];

int main(){
    fin>>n>>m;
    for(i=2;i<=n;i++)
        l[i]=1+l[i/2];

    for(i=1;i<=n;i++){
        fin>>v[0][i];
    }

    for(i=1;i<=l[n]+1;i++){
        for(j=1;j<=n;j++){
            v[i][j]=v[i-1][j];
            if(j+(1<<(i-1))<=n)
                v[i][j]=min(v[i][j],v[i-1][j+(1<<(i-1))]);
        }
    }

    for(;m;m--){
        fin>>i>>j;
        p=l[j-i+1];
        fout<<min(v[p][i],v[p][j-(1<<p)+1])<<"\n";
    }

    return 0;
}