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

#define pb push_back
#define mp make_pair
#define dbg(x) cout << #x <<": " << x << "\n";
using ll = long long;

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

const  int mod = 1999999973;

int n, m;
int rmq[20][100005];
int logs[100005];
int main() {
	int x, y;
	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 << i); j <= n; ++j)
			rmq[i][j] = min(rmq[i - 1][j], rmq[i - 1][j - (1 << (i - 1))]);
	while (m--) {
		fin >> x >> y;
		int k = logs[y - x + 1];
		fout << min(rmq[k][x + (1 << k) - 1], rmq[k][y]) << '\n';
	}
	fin.close();
	fout.close();
	return 0;
}