結果
問題 | No.2696 Sign Creation |
ユーザー |
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提出日時 | 2024-03-22 22:33:56 |
言語 | C++23 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 93 ms / 2,500 ms |
コード長 | 2,383 bytes |
コンパイル時間 | 6,272 ms |
コンパイル使用メモリ | 323,000 KB |
実行使用メモリ | 6,820 KB |
最終ジャッジ日時 | 2024-12-20 12:10:46 |
合計ジャッジ時間 | 8,207 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge1 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 38 |
ソースコード
#include <bits/stdc++.h>using namespace std;#include <atcoder/all>using namespace atcoder;using ll = long long;using VI = vector<int>;using VVI = vector<VI>;using VL = vector<ll>;using VVL = vector<VL>;using VD = vector<double>;using VVD = vector<VD>;using VS = vector<string>;using P = pair<ll,ll>;using VP = vector<P>;#define rep(i, n) for (ll i = 0; i < ll(n); i++)#define out(x) cout << x << endl#define dout(x) cout << fixed << setprecision(10) << x << endl#define all(a) (a).begin(),(a).end()#define rall(a) (a).rbegin(),(a).rend()#define sz(x) (int)(x.size())#define re0 return 0#define pcnt __builtin_popcountlltemplate<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }constexpr int inf = 1e9;constexpr ll INF = 1e18;//using mint = modint1000000007;using mint = modint998244353;int main(){ll h,w,n,d;cin >> h >> w >> n >> d;VL x(n),y(n);VVL board(h,VL(w,-1));rep(i,n){cin >> x[i] >> y[i];x[i]--,y[i]--;board[x[i]][y[i]] = i;}VL di,dj;for(ll i = -d;i <= d;i++){for(ll j = -d;j <= d;j++){if(abs(i)+abs(j) <= d){di.emplace_back(i);dj.emplace_back(j);}}}dsu uf(h*w);rep(i,h)rep(j,w) if(board[i][j] != -1){rep(v,sz(di)){ll ni = i+di[v];ll nj = j+dj[v];if(ni < 0 || nj < 0 || ni >= h || nj >= w) continue;if(board[ni][nj] != -1){uf.merge(i*w+j,ni*w+nj);}}}ll now = 0;rep(i,h)rep(j,w)if(board[i][j]!=-1&&uf.leader(i*w+j)==i*w+j&&uf.size(i*w+j)>=2)now++;ll ansmx = 0,ansmn = INF;rep(i,h)rep(j,w) if(board[i][j] == -1){unordered_set<ll> seen;ll flag = 0;rep(v,sz(di)){ll ni = i+di[v];ll nj = j+dj[v];if(ni < 0 || nj < 0 || ni >= h || nj >= w) continue;if(board[ni][nj] != -1 && !seen.count(uf.leader(ni*w+nj))){if(uf.size(ni*w+nj)>=2) seen.insert(uf.leader(ni*w+nj));flag = 1;}}chmin(ansmn,now-sz(seen)+flag);chmax(ansmx,now-sz(seen)+flag);}cout << ansmn << ' ' << ansmx << endl;}