#include <bits/stdc++.h>
#include <fstream>
using namespace std;
ifstream in("rmq.in");
ofstream out("rmq.out");
int n,m;
int mx[100005][20];
int main()
{
    in>>n>>m;
    int aux;
    for(int i=0;i<n;i++)
        in>>mx[i][0];

	for(int i=1;i<20;i++)
		for (int j=0;j<n-(1<<(i));j++)
			mx[j][i] = min(mx[j][i-1],mx[j+(1<<(i-1))][i-1]);
    for(int i=0;i<m;i++){
        int a,b;
        in>>a>>b;
        aux = log2(b-a);
        out<<min(mx[a-1][aux],mx[b-(1<<aux)][aux])<<'\n';
    }
    return 0;
}