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#include <iostream>
#include <cmath>
#include <fstream>
using namespace std;
const int NMAX = 100001;
const int LMAX = 20;
int lg[NMAX];
ifstream in("rmq.in");
ofstream out("rmq.out");
void createLog()
{
lg[1] = 0;
for (int i = 2; i < NMAX; i++)
lg[i] = lg[i / 2] + 1;
}
void preprocRMQ(int rmq[][LMAX], int a[NMAX], int n)
{
for (int i = 0; i < n; i++)
rmq[i][0] = a[i];
for (int j = 1; (1 << j) <= n; j++)
for (int i = 0; i + (1 << j) - 1 < n; i++)
rmq[i][j] = min(rmq[i][j - 1], rmq[i + (1 << (j - 1))][j - 1]);
}
int query(int x, int y, int rmq[][LMAX])
{
int k = lg[y - x + 1];
return min(rmq[x][k], rmq[y - (1 << k) + 1][k]);
}
int rmq[NMAX][LMAX], v[NMAX];
int main()
{
createLog();
int n, m;
in >> n >> m;
for (int i = 0; i < n; i++)
in >> v[i];
preprocRMQ(rmq, v, n);
for (int i = 0; i < m; i++)
{
int x, y;
in >> x >> y;
out << query(x - 1, y - 1, rmq) << endl;
}
return 0;
}