結果
| 問題 |
No.2696 Sign Creation
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2024-03-22 22:52:22 |
| 言語 | PyPy3 (7.3.15) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 2,401 bytes |
| コンパイル時間 | 652 ms |
| コンパイル使用メモリ | 82,584 KB |
| 実行使用メモリ | 81,680 KB |
| 最終ジャッジ日時 | 2024-12-20 12:18:21 |
| 合計ジャッジ時間 | 8,433 ms |
|
ジャッジサーバーID (参考情報) |
judge4 / judge3 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 21 WA * 17 |
ソースコード
import sys
sys.setrecursionlimit(5*10**5)
input = sys.stdin.readline
from collections import defaultdict, deque, Counter
from heapq import heappop, heappush
from bisect import bisect_left, bisect_right
from math import gcd
from collections import defaultdict
class UnionFind:
def __init__(self, n):
self.n = n
self.p = [-1] * (n+1)
def find(self, x):
if self.p[x] < 0:
return x
else:
self.p[x] = self.find(self.p[x])
return self.p[x]
def union(self, x, y):
x = self.find(x)
y = self.find(y)
if x == y:
return
if self.p[x] > self.p[y]:
x, y = y, x
self.p[x] += self.p[y]
self.p[y] = x
def same(self, a, b):
return self.find(a) == self.find(b)
def group(self):
d = defaultdict(list)
for i in range(1, self.n+1):
par = self.find(i)
d[par].append(i)
return d
h,w,n,d = map(int,input().split())
g = [[-1]*w for i in range(h)]
now = 1
for i in range(n):
n,m = map(int,input().split())
g[n-1][m-1] = i
uf = UnionFind(h*w+1)
for i in range(h):
for j in range(w):
if g[i][j] == -1: continue
for x in range(i-d,i+d+1):
for y in range(j-d, j+d+1):
if not (0<=x<h and 0<=y<w): continue
if g[x][y] == -1: continue
uf.union(x*w+y, i*w+j)
cnt = [0]*(h*w)
s = set()
for i in range(h):
for j in range(w):
if g[i][j] == -1: continue
g[i][j] = uf.find(i*w+j)
s.add(uf.find(i*w+j))
cnt[uf.find(i*w+j)] += 1
tot = len(s) - cnt.count(1)
mn = tot
mx = tot
for i in range(h):
for j in range(w):
if g[i][j] != -1: continue
two = 0
one = 0
wa = set()
for x in range(i-d,i+d+1):
for y in range(j-d, j+d+1):
if not (0<=x<h and 0<=y<w): continue
if g[x][y] == -1: continue
if g[x][y] in wa: continue
wa.add(g[x][y])
if cnt[g[x][y]] == 1:
one += 1
else:
two += 1
tmp = tot
if two >= 1:
tmp -= two-1
else:
if one:
tmp += 1
mn = min(tmp, mn)
mx = max(tmp, mx)
print(mn,mx)