#define _USE_MATH_DEFINES #include <algorithm> #include <cstdio> #include <functional> #include <iostream> #include <cfloat> #include <climits> #include <cstring> #include <cmath> #include <map> #include <queue> #include <set> #include <sstream> #include <stack> #include <string> #include <time.h> #include <vector> using namespace std; typedef long long ll; typedef unsigned long long ull; typedef pair<int, int> i_i; typedef pair<ll, int> ll_i; typedef pair<double, int> d_i; typedef pair<ll, ll> ll_ll; typedef pair<double, double> d_d; struct edge { int u, v; ll w; }; ll MOD = 1000000007; ll _MOD = 1000000009; double EPS = 1e-10; struct bit { vector<ll> v; bit(int n) : v(n + 1) {} ll sum(int i) { ll res = 0; for (; i > 0; i -= i & -i) res += v[i]; return res; } void add(int i, ll x) { for (i++; i < v.size(); i += i & -i) v[i] += x; } }; int main() { int N, K; cin >> N >> K; bit b(1000001); while (N--) { int W; cin >> W; if (W > 0) { if (b.sum(1000001) - b.sum(W) < K) b.add(W, 1); } else { if (b.sum(-W + 1) - b.sum(-W) >= 1) b.add(-W, -1); } } cout << b.sum(1000001) << endl; }