結果
問題 |
No.1266 7 Colors
|
ユーザー |
![]() |
提出日時 | 2023-11-30 10:42:06 |
言語 | Python3 (3.13.1 + numpy 2.2.1 + scipy 1.14.1) |
結果 |
TLE
(最新)
AC
(最初)
|
実行時間 | - |
コード長 | 5,363 bytes |
コンパイル時間 | 347 ms |
コンパイル使用メモリ | 13,312 KB |
実行使用メモリ | 112,660 KB |
最終ジャッジ日時 | 2024-09-26 13:50:43 |
合計ジャッジ時間 | 39,430 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge5 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 16 TLE * 3 |
ソースコード
import bisect import copy import decimal import fractions import heapq import itertools import math import random import sys import time from collections import Counter,deque,defaultdict from functools import lru_cache,reduce from heapq import heappush,heappop,heapify,heappushpop,_heappop_max,_heapify_max def _heappush_max(heap,item): heap.append(item) heapq._siftdown_max(heap, 0, len(heap)-1) def _heappushpop_max(heap, item): if heap and item < heap[0]: item, heap[0] = heap[0], item heapq._siftup_max(heap, 0) return item from math import gcd as GCD read=sys.stdin.read readline=sys.stdin.readline readlines=sys.stdin.readlines write=sys.stdout.write #import pypyjit #pypyjit.set_param('max_unroll_recursion=-1') #sys.set_int_max_str_digits(10**9) class UnionFind: def __init__(self,N,label=None,f=None,weighted=False,rollback=False): self.N=N self.parents=[None]*self.N self.size=[1]*self.N self.roots={i for i in range(self.N)} self.label=label if self.label!=None: self.label=[x for x in label] self.f=f self.weighted=weighted if self.weighted: self.weight=[0]*self.N self.rollback=rollback if self.rollback: self.operate_list=[] self.operate_set=[] def Find(self,x): stack=[] while self.parents[x]!=None: stack.append(x) x=self.parents[x] if not self.rollback: if self.weighted: w=0 for y in stack[::-1]: self.parents[y]=x w+=self.weight[y] self.weight[y]=w else: for y in stack[::-1]: self.parents[y]=x return x def Union(self,x,y,w=None): root_x=self.Find(x) root_y=self.Find(y) if self.rollback: self.operate_list.append([]) self.operate_set.append([]) if root_x==root_y: if self.weighted: if self.weight[y]-self.weight[x]==w: return True else: return False else: if self.size[root_x]<self.size[root_y]: x,y=y,x root_x,root_y=root_y,root_x if self.weighted: w=-w if self.rollback: self.operate_list[-1].append((self.parents,root_y,self.parents[root_y])) self.operate_list[-1].append((self.size,root_x,self.size[root_x])) self.operate_set[-1].append(root_y) if self.label!=None: self.operate_list[-1]((self.label,root_x,self.label[root_x])) if self.weighted: self.operate_list[-1].append((self.weight,root_y,self.weight[root_y])) self.parents[root_y]=root_x self.size[root_x]+=self.size[root_y] self.roots.remove(root_y) if self.label!=None: self.label[root_x]=self.f(self.label[root_x],self.label[root_y]) if self.weighted: self.weight[root_y]=w+self.weight[x]-self.weight[y] def Size(self,x): return self.size[self.Find(x)] def Same(self,x,y): return self.Find(x)==self.Find(y) def Label(self,x): return self.label[self.Find(x)] def Weight(self,x,y): root_x=self.Find(x) root_y=self.Find(y) if root_x!=root_y: return None return self.weight[y]-self.weight[x] def Roots(self): return list(self.roots) def Linked_Components_Count(self): return len(self.roots) def Linked_Components(self): linked_components=defaultdict(list) for x in range(self.N): linked_components[self.Find(x)].append(x) return linked_components def Rollback(self): assert self.rollback if self.operate_list: for lst,x,v in self.operate_list.pop(): lst[x]=v for x in self.operate_set.pop(): self.roots.add(x) return True else: return False def __str__(self): linked_components=defaultdict(list) for x in range(self.N): linked_components[self.Find(x)].append(x) return "\n".join(f"{r}: {linked_components[r]}" for r in sorted(list(linked_components.keys()))) N,M,Q=map(int,readline().split()) S=[[int(s) for s in readline().rstrip()] for n in range(N)] graph=[[] for x in range(N)] UF=UnionFind(N*7) for x in range(N): for c in range(7): if S[x][c] and S[x][(c+1)%7]: UF.Union(x*7+c,x*7+(c+1)%7) for m in range(M): u,v=map(int,readline().split()) u-=1;v-=1 graph[u].append(v) graph[v].append(u) for c in range(7): if S[u][c] and S[v][c]: UF.Union(u*7+c,v*7+c) for _ in range(Q): q,x,c=map(int,readline().split()) if q==1: x-=1;c-=1 S[x][c]=1 if S[x][(c-1)%7]: UF.Union(x*7+c,x*7+(c-1)%7) if S[x][(c+1)%7]: UF.Union(x*7+c,x*7+(c+1)%7) for y in graph[x]: if S[y][c]: UF.Union(x*7+c,y*7+c) else: x-=1 ans=UF.Size(x*7) print(ans)