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#include <bits/stdc++.h>
#define maxArb 200005
#define maxN 100005
using namespace std;
ifstream fin ("rmq.in");
ofstream fout ("rmq.out");
int v[maxN], a[maxArb];
void initialize (int node, int b, int e)
{
if (b == e) a[node] = b;
else {
initialize(2 * node, b, (b + e) / 2);
initialize(2 * node + 1, (b + e) / 2 + 1, e);
if (v[a[2 * node]] <= v[a[2 * node + 1]]) a[node] = a[2 * node];
else a[node] = a[2 * node + 1];
}
}
int query (int node, int b, int e, int i, int j)
{
if (i > e || j < b) return -1;
if (i <= b && e <= j) return a[node];
int p1 = query(2 * node, b, (b + e) / 2, i, j), p2 = query(2 * node + 1, (b + e) / 2 + 1, e, i, j);
if (p1 == -1) return p2;
if (p2 == -1) return p1;
if (v[p1] <= v[p2]) return p1;
else return p2;
}
int main()
{
int n, m;
fin >> n >> m;
for (int i = 1; i <= n; i ++) fin >> v[i];
int b = 1, e = n, node = 1;
initialize(node, b, e);
int x, y;
for (int i = 1; i <= m; i ++) {
fin >> x >> y;
fout << v[query(node, b, e, x, y)] << "\n";
}
return 0;
}