#include <bits/stdc++.h>
#include <unordered_map>
#define nmax 100006
#define MOD 1999999973
#define INF 2012345678
#define ll long long
using namespace std;
//#define fin cin
//#define fout cout

ifstream fin("rmq.in");
ofstream fout("rmq.out");

int n, m;
int rmq[18][nmax];
int e[nmax];

void MakeE()
{
	for (int i = 2; i <= n; i++)
		e[i] = e[i / 2] + 1;
}

void RMQ()
{
	int x, L;
	for (int i = 1; i <= e[n]; i++)
	{
		L = (1 << i);
		for (int j = 1; j <= n - L + 1; j++)
			rmq[i][j] = min(rmq[i - 1][j], rmq[i - 1][j + L / 2]);
	}
}

int main()
{
	int i, x, y, L, expo;
	fin >> n >> m;
	for (i = 1; i <= n; i++)
		fin >> rmq[0][i];

	MakeE();
	RMQ();

	for (i = 1; i <= m; i++)
	{
		fin >> x >> y;
		expo = e[y - x + 1];
		L = (1 << expo);
		fout << min(rmq[expo][x], rmq[expo][y - L + 1]) << "\n";
	}

	fin.close();
	fout.close();
	return 0;
}