#include <bits/stdc++.h>
using namespace std;

#define pb push_back
#define dbg(x) cout << #x <<": " << x << "\n";
#define sz(x) ((int)x.size())

using ll = long long;

const string fn = "rmq";
ifstream fin(fn + ".in");
ofstream fout(fn + ".out");

int n, m;
int rmq[20][100005];
int logs[100005];

int main() {

	fin >> n >> m;
	for (int i = 1; i <= n; ++i)
		fin >> rmq[0][i];

	logs[1] = 0;
	for (int i = 2; i <= n; ++i)
		logs[i] = logs[i / 2] + 1;

	for (int i = 1; (1 << i) <= n; ++i)
		for (int j = 1; (j + (1 << i) - 1) <= n; ++j)
			rmq[i][j] = min(rmq[i - 1][j], rmq[i - 1][j + (1 << (i - 1))]);
	while (m--) {

		int x, y;
		fin >> x >> y;
		int k = logs[y - x + 1];
		fout << min(rmq[k][x], rmq[k][y - (1 <<  k) + 1]) << '\n';


	}




	return 0;
}