結果
| 問題 |
No.2696 Sign Creation
|
| コンテスト | |
| ユーザー |
👑 |
| 提出日時 | 2024-03-22 22:17:28 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 2,722 bytes |
| コンパイル時間 | 4,816 ms |
| コンパイル使用メモリ | 259,468 KB |
| 最終ジャッジ日時 | 2025-02-20 11:50:19 |
|
ジャッジサーバーID (参考情報) |
judge1 / judge1 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 30 WA * 8 |
ソースコード
#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));
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]) 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]) 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 = base;
int MAX = base;
rep(fy, h){
rep(fx, w){
if(a[fy][fx]) 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]) 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;
}