#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[i-1][0] = v[i-1];
    }

    ///RMQ
    for(int j = 1; (1<<(j-1)) < n; j++){
        for(int i = 0; i < n+1-(1<<j); i++){
            minima[i][j] = min(minima[i][j-1], minima[i+(1<<(j-1))][j-1]);
        }
    }
/*
    for(int i = 0; i <n;i++){
        for(int j = 0; j<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;
        if(y<x) swap(x,y);
        int lungime = y-x+1;
        int aux = log2(lungime);
        ///cout<<x<<" "<<y<<" "<<aux<<" "<<min(minima[aux][x], minima[aux][y-(1<<aux)])<<endl;
        fout<<min(minima[x][aux], minima[y-(1<<aux)][aux])<<endl;
    }

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