#include <iostream>
#include <fstream>

#define DN 100005
using namespace std;

ifstream f("rmq.in");
ofstream g("rmq.out");

int rmq[DN][22];
int n,m,a,b;


void read(){

    f>>n>>m;
    for(int i=1;i<=n;++i)
        f>>rmq[i][0];

}
int find_min(int a,int b){

    int p = 0;
    for(; a + (1<<p) <=b ;++p); --p;
    p = max(p,0);
    return min(rmq[a][p],rmq[b - (1<<p) + 1][p]);
}


void solve(){

    for(int p=1;p<=20;++p)
        for(int i=1;i+(1<<(p-1))<=n;++i)
            rmq[i][p] = min(rmq[ i ][ p - 1 ], rmq[i + 1<<(p-1) ][ p - 1 ] );

    for(;m--;){

        f>>a>>b;
        g<<find_min(a,b)<<"\n";
    }
}

int main()
{
    read();
    solve();

    return 0;
}