#include <bits/stdc++.h>
#include <fstream>
#include <math.h>
using namespace std;
ifstream in("rmq.in");
ofstream out("rmq.out");
int n,m;
vector<vector<int>> mx;
int main()
{
    in>>n>>m;
    int m1 = log2(n)+1,aux;
    mx.resize(m1);
    mx[0].resize(n+1);
    for(int i=0;i<n;i++){
        in>>aux;
        mx[0][i] = aux;
    }
    mx[0][n] = 100007;
    for(int i=1;i<m1;i++){
        mx[i].resize(n+1);
        for(int j=0;j<n;j++)
            mx[i][j] = min(mx[i-1][j],mx[i-1][j+1]);
        mx[i][n] = 100007;
    }
    for(int i=0;i<m;i++){
        int a,b;
        in>>a>>b;
        aux = log2(b-a);
        out<<min(mx[aux][a-1],mx[aux][b-(1<<aux)])<<'\n';
    }
    return 0;
}