#include <iostream>
#include <math.h>
#include <fstream>
using namespace std;
ifstream fin("rmq.in");
ofstream fout("rmq.out");
int main()
{
    int v[1000],n,m,minima[100][100];
    fin>>n>>m;
    for(int i = 1; i <= n; i++){
        fin>>v[i-1];
        minima[0][i-1] = v[i-1];
    }

    ///RMQ
    for(int i = 1; (1<<i) <= n; i++){
        for(int j = 0; j <= n-(1<<(i-1)); j++){
            minima[i][j] = min(minima[i-1][j], minima[i-1][j+(1<<(i-1))]);
        }
    }
    /*
    for(int i = 0; i<n;i++){
        cout<<minima[0][i]<<" ";
    }
    cout<<endl;
    for(int i = 1; i < log2(n); i++){
        for(int j = 0; j+(1<<(i-1)) <= n; j++){
            cout<<minima[i][j]<<" ";
        }
        cout<<endl;
    }*/
    ///Rezolvarea query-urilor - O(1)

    for(int i = 1; i <= m; i++){
        int x,y;
        fin>>x>>y;
        int aux = log2(y-x+1);
        ///cout<<x<<" "<<y<<" "<<aux<<" "<<min(minima[aux][x], minima[aux][y-(1<<aux)])<<endl;
        fout<<min(minima[aux][x], minima[aux][y-(1<<aux)])<<endl;
    }

    fin.close();
    fout.close();
    return 0;
}