#include<bits/stdc++.h> #include<atcoder/all> #define rep(i,n) for(int i=0;i<n;i++) using namespace std; using namespace atcoder; typedef long long ll; typedef vector<int> vi; typedef vector<long long> vl; typedef vector<vector<int>> vvi; typedef vector<vector<long long>> vvl; typedef long double ld; typedef pair<int, int> P; ostream& operator<<(ostream& os, const modint& a) {os << a.val(); return os;} template <int m> ostream& operator<<(ostream& os, const static_modint<m>& a) {os << a.val(); return os;} template <int m> ostream& operator<<(ostream& os, const dynamic_modint<m>& a) {os << a.val(); return os;} template<typename T> istream& operator>>(istream& is, vector<T>& v){int n = v.size(); assert(n > 0); rep(i, n) is >> v[i]; return is;} template<typename U, typename T> ostream& operator<<(ostream& os, const pair<U, T>& p){os << p.first << ' ' << p.second; return os;} template<typename T> ostream& operator<<(ostream& os, const vector<T>& v){int n = v.size(); rep(i, n) os << v[i] << (i == n - 1 ? "\n" : " "); return os;} template<typename T> ostream& operator<<(ostream& os, const vector<vector<T>>& v){int n = v.size(); rep(i, n) os << v[i] << (i == n - 1 ? "\n" : ""); return os;} template<typename T> void chmin(T& a, T b){a = min(a, b);} template<typename T> void chmax(T& a, T b){a = max(a, b);} int main(){ int h, w, n, d; cin >> h >> w >> n >> d; vector<vector<int>> a(h, vector<int>(w, -1)); rep(i, n){ int y, x; cin >> y >> x; y--; x--; a[y][x] = i; } dsu uf(n); rep(fy, h){ rep(fx, w){ if(a[fy][fx] == -1) continue; int from = a[fy][fx]; for(int dy = -d; dy <= d; dy++) for(int dx = -(d - abs(dy)); dx <= d - abs(dy); dx++){ int ty = fy + dy; int tx = fx + dx; if(ty >= 0 and ty < h and tx >= 0 and tx < w){ if(a[ty][tx] == -1) continue; int to = a[ty][tx]; uf.merge(from, to); } } } } auto f = uf.groups(); int m = f.size(); vector<int> belong(n); int base = 0; rep(i, m){ auto& v = f[i]; for(int from : v) belong[from] = i; if(v.size() >= 2) base++; } int MIN = 1001001001; int MAX = 0; rep(fy, h){ rep(fx, w){ if(a[fy][fx] != -1) continue; int tmp = base; set<int> se; for(int dy = -d; dy <= d; dy++) for(int dx = -(d - abs(dy)); dx <= d - abs(dy); dx++){ int ty = fy + dy; int tx = fx + dx; if(ty >= 0 and ty < h and tx >= 0 and tx < w){ if(a[ty][tx] == -1) continue; int to = a[ty][tx]; se.insert(belong[to]); } } bool is_constellation = false; for(int i : se){ if(!is_constellation){ is_constellation = true; tmp++; } if(f[i].size() >= 2){ tmp--; } } chmax(MAX, tmp); chmin(MIN, tmp); } } cout << MIN << ' ' << MAX << "\n"; return 0; }