#include <fstream>

#define NMax 100010

using namespace std;

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

int n, queries, lg[NMax], RMQ[17][NMax];

int getMin(int a, int b)
{
	if (a < b)
		return a;
	return b;
}

void preprocess()
{
	for (int i = 2; i <= n; i++)
		lg[i] = lg[i / 2] + 1;

	for (int i = 1; i <= lg[n]; i++)
		for (int j = 1; j <= n - (1 << i) + 1; j++)
			RMQ[i][j] = getMin(RMQ[i - 1][j], RMQ[i - 1][j + (1 << (i - 1))]);
}

int main()
{
	f >> n >> queries;
	for (int i = 1; i <= n; i++) {
		f >> RMQ[0][i];
	}

	preprocess();

	int a, b;
	for (int i = 1; i <= queries; i++) {
		f >> a >> b;

		int line = lg[b - a + 1];

		g << getMin(RMQ[line][a], RMQ[line][b - (1<<line) + 1]) << "\n";
	}
}