#include<fstream>
using namespace std;
int n, q, x[20][100003], y[100003],i, j, p, q1, q2;
ifstream in("rmq.in");
ofstream out("rmq.out");
int main(){
    in>>n>>q;
    for(i=1; i<=n; i++)
        in>>x[0][i];
    for(i=2; i<=n; i++)
        y[i]=1+y[i/2];
    for(i=1; (1<<i)<=n; i++){
        for(j=1; j<=n; j++)
            x[i][j]=min(x[i-1][j], x[i-1][j+(1<<(i-1))]);
    }
    for(;q--;){
        in>>q1>>q2;
        p=y[q2-q1];
        out<<min(x[p][q1], x[p][q2-(1<<p)+1])<<"\n";
    }
return 0;
}