#include <cmath>
#include <cstdio>
#include <algorithm>

using namespace std;

int n, m;
int rmq[18][100000];

int main()
{
	freopen("rmq.in", "r", stdin);
	freopen("rmq.out", "w", stdout);

	scanf("%d %d", &n, &m);
	for (int i = 1; i <= n; ++i)
		scanf("%d", &rmq[0][i]);
	for (int i = 1; (1 << i) <= n; ++i)
		for (int j = 1; j <= n; ++j)
		{
			rmq[i][j] = rmq[i - 1][j];
			if (j + (1 << (i - 1)) <= n)
				rmq[i][j] = min(rmq[i][j], rmq[i - 1][j + (1 << (i - 1))]);
		}

	for (int i = 1, x, y; i <= m; ++i)
	{
		scanf("%d %d", &x, &y);

		int k = floor(log(y - x + 1) / log(2));
		printf("%d\n", min(rmq[k][x], rmq[k][y - (1 << k) + 1]));
	}
}