#include <iostream>
#include <vector>
#include <fstream>
using namespace std;

int main(){
    ifstream fin("rmq.in");
    ofstream fout("rmq.out");
    int n, m;
    fin >> n >> m;
    int numere[n+1];
    int minime[n+1][n+1];
    for( int i = 1; i <= n; i++ ){
        for( int j = i; j <=n; j++ ){
            minime[i][j] = 100001;
        }
    }
    for( int i = 1; i <= n; i++ ){
        int numar;
        fin >> numar;
        numere[i] = numar;
        for( int l = 0; l <= i; l++ ){
            for( int j = i; j <= n; j++ ){
                if( minime[l][j] > numar ) minime[l][j] = numar;
            }
        }
    }
    for( int i = 1; i <= m; i++ ){
        int a, b;
        fin >> a >> b;
        fout << minime[a][b] << endl;
    }
}