#include <bits/stdc++.h>
#include <atcoder/all>
#include <boost/polygon/point_data.hpp>
#include <boost/polygon/voronoi.hpp>
#define rep(i,a,b) for(int i=(a);i<(b);i++)
#define rrep(i,a,b) for(int i=(b)-1;i>=(a);i--)
#define all(x) begin(x),end(x)
#define sz(x) (int)(x).size()
using namespace std;
using namespace atcoder;
using ll=long long;
using ld=long double;
using vll=vector<ll>;
using vvll=vector<vll>;
using vi=vector<int>;
using vvi=vector<vi>;
using pll=pair<ll,ll>;
using pi=pair<int,int>;

// using mint=modint998244353;
using mint=modint1000000007;
// using mint2=static_modint<2>;

// using BoostPoint=boost::polygon::point_data<int>;
// using Voronoi=boost::polygon::voronoi_diagram<double>;

// using mint=LazyMontgomeryModInt<998244353>;
using vm=vector<mint>;
// using vvm=vector<vm>;

#line 2 "data-structure/sparse-table.hpp"

#include <cassert>
#include <limits>
#include <vector>
using namespace std;

template <typename T>
struct SparseTable {
  inline static constexpr T INF = numeric_limits<T>::max() / 2;
  int N;
  vector<vector<T> > table;
  T f(T a, T b) { return min(a, b); }
  SparseTable() {}
  SparseTable(const vector<T> &v) : N(v.size()) {
    int b = 1;
    while ((1 << b) <= N) ++b;
    table.push_back(v);
    for (int i = 1; i < b; i++) {
      table.push_back(vector<T>(N, INF));
      for (int j = 0; j + (1 << i) <= N; j++) {
        table[i][j] = f(table[i - 1][j], table[i - 1][j + (1 << (i - 1))]);
      }
    }
  }
  // [l, r)
  T query(int l, int r) {
    assert(0 <= l and l <= r and r <= N);
    if (l == r) return INF;
    int b = 31 - __builtin_clz(r - l);
    return f(table[b][l], table[b][r - (1 << b)]);
  }
};

/**
 * @brief Sparse Table
 */

int main()
{
  	ios::sync_with_stdio(false);
	cin.tie(nullptr);
	int N,Q;
	cin>>N>>Q;
	vi A(N+2),d(N+2),stk;
	rep(i,1,N+1)cin>>A[i];
	A[N+1]=N+1,stk.push_back(N+1);
	rrep(i,1,N+1){
		while(A[stk.back()]<A[i])stk.pop_back();
		int ni=stk.back();
		d[i]=1+d[ni];
		stk.push_back(i);
	}
	SparseTable<int>rmq(d);
	while(Q--){
		int l,r;
		cin>>l>>r;
		int mind=rmq.query(l,r+1);
		cout<<r-l-d[l]+mind<<'\n';
	}
}