結果
問題 | No.2696 Sign Creation |
ユーザー | tipstar0125 |
提出日時 | 2024-03-25 16:22:38 |
言語 | PyPy3 (7.3.15) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,322 bytes |
コンパイル時間 | 173 ms |
コンパイル使用メモリ | 82,508 KB |
実行使用メモリ | 107,924 KB |
最終ジャッジ日時 | 2024-05-17 18:25:08 |
合計ジャッジ時間 | 5,392 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge2 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 46 ms
62,576 KB |
testcase_01 | AC | 43 ms
55,540 KB |
testcase_02 | AC | 42 ms
55,304 KB |
testcase_03 | AC | 43 ms
56,008 KB |
testcase_04 | AC | 45 ms
56,780 KB |
testcase_05 | AC | 47 ms
55,944 KB |
testcase_06 | WA | - |
testcase_07 | AC | 44 ms
55,924 KB |
testcase_08 | AC | 293 ms
79,112 KB |
testcase_09 | AC | 48 ms
57,132 KB |
testcase_10 | AC | 198 ms
78,404 KB |
testcase_11 | AC | 48 ms
57,744 KB |
testcase_12 | AC | 48 ms
57,616 KB |
testcase_13 | TLE | - |
testcase_14 | -- | - |
testcase_15 | -- | - |
testcase_16 | -- | - |
testcase_17 | -- | - |
testcase_18 | -- | - |
testcase_19 | -- | - |
testcase_20 | -- | - |
testcase_21 | -- | - |
testcase_22 | -- | - |
testcase_23 | -- | - |
testcase_24 | -- | - |
testcase_25 | -- | - |
testcase_26 | -- | - |
testcase_27 | -- | - |
testcase_28 | -- | - |
testcase_29 | -- | - |
testcase_30 | -- | - |
testcase_31 | -- | - |
testcase_32 | -- | - |
testcase_33 | -- | - |
testcase_34 | -- | - |
testcase_35 | -- | - |
testcase_36 | -- | - |
testcase_37 | -- | - |
testcase_38 | -- | - |
testcase_39 | -- | - |
testcase_40 | -- | - |
ソースコード
from collections import defaultdict,deque class UnionFind(): def __init__(self, n): self.n = n self.parents = [-1] * n def find(self, x): if self.parents[x] < 0: return x else: self.parents[x] = self.find(self.parents[x]) return self.parents[x] def union(self, x, y): x = self.find(x) y = self.find(y) if x == y: return if self.parents[x] > self.parents[y]: x, y = y, x self.parents[x] += self.parents[y] self.parents[y] = x def size(self, x): return -self.parents[self.find(x)] def same(self, x, y): return self.find(x) == self.find(y) def members(self, x): root = self.find(x) return [i for i in range(self.n) if self.find(i) == root] def roots(self): return [i for i, x in enumerate(self.parents) if x < 0] def group_count(self): return len(self.roots()) def all_group_members(self): group_members = defaultdict(list) for member in range(self.n): group_members[self.find(member)].append(member) return group_members H,W,N,D=map(int,input().split()) XY=[tuple(map(int,input().split())) for _ in range(N)] mp=defaultdict(int) for (i,xy) in enumerate(XY):mp[xy]=i uf=UnionFind(N) for (x,y) in XY: dist=defaultdict(int) dist[(x,y)]=0 Q=deque() Q.append((x,y)) while len(Q): i,j=Q.popleft() if dist[(i,j)]==D:continue for (di,dj) in [(1,0),(-1,0),(0,1),(0,-1)]: ni=i+di nj=j+dj if 1<=ni<=H and 1<=nj<=W: if dist.get((ni,nj)) is None or dist[(i,j)]+1<dist[(ni,nj)]: dist[(ni,nj)]=dist[(i,j)]+1 Q.append((ni,nj)) if mp.get((ni,nj)) is not None: uf.union(mp[(i,j)],mp[(ni,nj)]) cand=set() star=set() sign=set() star_cand=defaultdict(set) sign_cand=defaultdict(set) for (x,y) in XY: root=uf.find(mp[(x,y)]) size=uf.size(root) if size==1:star.add(root) else:sign.add(root) dist=defaultdict(int) dist[(x,y)]=0 Q=deque() Q.append((x,y)) while len(Q): i,j=Q.popleft() if dist[(i,j)]==D:continue for (di,dj) in [(1,0),(-1,0),(0,1),(0,-1)]: ni=i+di nj=j+dj if 1<=ni<=H and 1<=nj<=W: if dist.get((ni,nj)) is None or dist[(i,j)]+1<dist[(ni,nj)]: dist[(ni,nj)]=dist[(i,j)]+1 Q.append((ni,nj)) if mp.get((ni,nj)) is None: cand.add((ni,nj)) if size==1:star_cand[root].add((ni,nj)) else:sign_cand[root].add((ni,nj)) star_num=len(star) sign_num=len(sign) star_cand_cnt=defaultdict(int) sign_cand_cnt=defaultdict(int) for (k,v) in star_cand.items(): for x in v:star_cand_cnt[x]+=1 for (k,v) in sign_cand.items(): for x in v:sign_cand_cnt[x]+=1 inc=0 dec=0 for c in cand: if star_cand_cnt.get(c) is not None and sign_cand_cnt.get(c) is None:inc+=1 elif star_cand_cnt.get(c) is None and sign_cand_cnt.get(c) is not None:dec=max(dec,sign_cand_cnt[c]) mx=sign_num mn=sign_num if inc>0:mx+=1 if dec>0:mn-=dec-1 print(mn,mx)