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#include <iostream>
#include <fstream>
using namespace std;
ifstream f ("rmq.in");
ofstream g ("rmq.out");
const int SIZE = 100005;
const int LOG = 17;
int n, q;
int st[LOG + 1][SIZE];
int log_2[SIZE];
void Read()
{
f >> n >> q;
for (int i = 0; i < n; i++)
{
f >> st[0][i];
}
}
void PreprocessSparseTable()
{
for (int i = 1; i <= LOG; i++)
{
for (int j = 0; (j + (1 << i)) <= n; j++)
{
st[i][j] = min(st[i - 1][j], st[i - 1][j + (1 << (i - 1))]);
}
}
for (int i = 2; i < SIZE; i++)
{
log_2[i] = log_2[i / 2] + 1;
}
}
void Print()
{
for (int temp = 1; temp <= q; temp++)
{
int left, right;
f >> left >> right;
left--;
right--;
int i = log_2[right - left + 1];
g << min(st[i][left], st[i][right + 1 - (1 << i)]) << "\n";
}
}
int main()
{
Read();
PreprocessSparseTable();
Print();
return 0;
}