#include <vector>
#include <list>
#include <map>
#include <set>
#include <deque>
#include <queue>
#include <stack>
#include <bitset>
#include <algorithm>
#include <functional>
#include <numeric>
#include <utility>
#include <sstream>
#include <iostream>
#include <iomanip>
#include <cstdio>
#include <cmath>
#include <cstdlib>
#include <cctype>
#include <string>
#include <cstring>
#include <cstdio>
#include <cmath>
#include <cstdlib>
#include <ctime>
#include <fstream>
using namespace std;

const string file = "rmq";

const string infile = file + ".in";
const string outfile = file + ".out";

const int INF = 0x3f3f3f3f;

int N, M;

vector<int> A;
vector<vector<int> > RMQ;
vector<int> lg;

int main()
{
	fstream fout(outfile.c_str(), ios::out);
	fstream fin(infile.c_str(), ios::in);

	fin >> N >> M;
	A.resize(N);
	for(int i = 0; i < N; i++)
	{
		fin >> A[i];
	}
	
	lg.resize(N + 1);
	lg[2] = 1;
	for(int i = 3; i <= N; i++)
		lg[i] = lg[i/2] + 1;


	RMQ.resize(lg[N] + 1);
	RMQ[0].resize(N);
	for(int i = 0; i < N; i++)
		RMQ[0][i] = A[i];

	

	for(int i = 1; i <= lg[N]; i++)
	{
		RMQ[i].resize(N -  (1 << i) + 1, INF);
		for(int j = 0; j < N - (1 << i) + 1; j++)
		{
			RMQ[i][j] = min(RMQ[i-1][j], RMQ[i-1][j + (1 << (i - 1))]);
		}
	}


	for(int i = 0; i < M; i++)
	{
		int x, y;
		fin >> x >> y;

		x--;
		y--;
		if( x > y)
			swap(x, y);

		int dx = y - x + 1;
		int l = lg[dx];
		int dif = dx - (1 << l);


		fout << min(RMQ[l][x], RMQ[l][x + dif]) << "\n";;

	}



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