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#include <iostream>
#include <fstream>
using namespace std;
ifstream in("rmq.in");
ofstream out("rmq.out");
const int N_max = 100005;
const int Log = 18;
int v[N_max];
int log[N_max];
int rmq[N_max][Log];
int N, Q;
int minim(int x, int y)
{
if(x < y) return x;
else
return y;
}
void read()
{
in >> N >> Q;
for(int i = 1; i <= N; i++) in >> v[i];
}
void solve()
{
int i, j;
log[1] = 0;
for(i = 2; i <= N; i++) log[i] = log[i / 2] + 1;
for(i = 1; i <= N; i++) rmq[i][0] = v[i];
for(i = 1; i <= N; i++)
for(j = 1; (1 << j) <= i; j++)
{
int k = i - (1 << (j - 1));
rmq[i][j] = minim(rmq[i][j - 1], rmq[k][j - 1]);
}
}
void write()
{
int i, a, b;
for(i = 1; i <= Q; i++)
{
in >> a >> b;
int l = log[b - a + 1];
int ans = minim(rmq[b][l], rmq[a + (1 << l) - 1][l]);
out << ans << '\n';
}
}
int main()
{
read();
solve();
write();
return 0;
}