#include <iostream>
#include <fstream>
#include <vector>
using namespace std;
#define NMax 100005
#define LMax 19

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


int main()
{
    auto rmq = new int[NMax][LMax];
    vector<int> v;
    int lg[NMax];
    int n,x,y,m;
    f >> n >> m;
    for(int i =0; i<  n; i++){
        for(int j = 0; j< 18; j++){
            rmq[i][j] = 1000000;
        }
    }
    lg[1]=0;
    for (int i=2;i<=n;i++)
        lg[i]=lg[i/2]+1;

    for(int i = 0; i< n; i++){
        f >> x;
        rmq[i][0] = x;
        v.push_back(x);
    }
    int range = 2;
    for(int j = 1; range <= n; j++, range*=2){
        for(int i = 0; i< n; i++){
            rmq[i][j] = min(rmq[i][j-1], rmq[i+range/2][j-1]);
        }
    }

    for(int k = 0; k< m; k++){
        f>> x >> y;
        int t = lg[y-x+1];
        g << min(rmq[x-1][t-1], rmq[x + t][t-1]) << "\n";
    }
    return 0;
}