結果

問題 No.2946 Puyo
ユーザー vwxyzvwxyz
提出日時 2024-10-25 21:23:27
言語 PyPy3
(7.3.15)
結果
AC  
実行時間 878 ms / 2,000 ms
コード長 5,034 bytes
コンパイル時間 270 ms
コンパイル使用メモリ 82,520 KB
実行使用メモリ 347,968 KB
最終ジャッジ日時 2024-10-25 21:23:58
合計ジャッジ時間 27,737 ms
ジャッジサーバーID
（参考情報） 		judge1 / judge4
このコードへのチャレンジ
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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 136 ms
89,348 KB
testcase_01 AC 135 ms
89,424 KB
testcase_02 AC 135 ms
89,460 KB
testcase_03 AC 859 ms
347,024 KB
testcase_04 AC 818 ms
347,968 KB
testcase_05 AC 842 ms
347,248 KB
testcase_06 AC 821 ms
347,108 KB
testcase_07 AC 863 ms
346,752 KB
testcase_08 AC 222 ms
114,452 KB
testcase_09 AC 397 ms
167,240 KB
testcase_10 AC 220 ms
110,012 KB
testcase_11 AC 482 ms
212,300 KB
testcase_12 AC 223 ms
112,632 KB
testcase_13 AC 144 ms
89,872 KB
testcase_14 AC 297 ms
115,572 KB
testcase_15 AC 218 ms
104,296 KB
testcase_16 AC 318 ms
129,508 KB
testcase_17 AC 564 ms
218,436 KB
testcase_18 AC 182 ms
92,260 KB
testcase_19 AC 398 ms
137,564 KB
testcase_20 AC 419 ms
148,840 KB
testcase_21 AC 563 ms
189,588 KB
testcase_22 AC 242 ms
103,964 KB
testcase_23 AC 411 ms
148,356 KB
testcase_24 AC 755 ms
211,744 KB
testcase_25 AC 618 ms
199,748 KB
testcase_26 AC 696 ms
211,884 KB
testcase_27 AC 193 ms
92,116 KB
testcase_28 AC 643 ms
189,912 KB
testcase_29 AC 878 ms
233,136 KB
testcase_30 AC 541 ms
171,716 KB
testcase_31 AC 742 ms
200,440 KB
testcase_32 AC 712 ms
201,136 KB
testcase_33 AC 623 ms
190,028 KB
testcase_34 AC 841 ms
233,920 KB
testcase_35 AC 665 ms
201,580 KB
testcase_36 AC 694 ms
211,540 KB
testcase_37 AC 768 ms
213,284 KB
testcase_38 AC 558 ms
189,360 KB
testcase_39 AC 528 ms
181,256 KB
testcase_40 AC 425 ms
149,420 KB
testcase_41 AC 637 ms
212,156 KB
testcase_42 AC 576 ms
201,276 KB
testcase_43 AC 628 ms
180,808 KB
testcase_44 AC 732 ms
200,376 KB
testcase_45 AC 647 ms
181,628 KB
testcase_46 AC 467 ms
149,452 KB
testcase_47 AC 649 ms
181,284 KB
権限があれば一括ダウンロードができます

ソースコード

diff # 

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,e_weighted=None,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.e_weighted=e_weighted
            self.weight=[self.e_weighted]*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=self.e_weighted
                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())))

H,W=map(int,input().split())
UF=UnionFind(H*W)
C=[list(input()) for h in range(H)]
for h in range(H):
    for w in range(W):
        for dh,dw in ((0,1),(1,0)):
            if h+dh<H and w+dw<W and C[h][w]==C[h+dh][w+dw]:
                UF.Union(h*W+w,(h+dh)*W+(w+dw))
for lc in UF.Linked_Components().values():
    if len(lc)>=4:
        for hw in lc:
            h,w=divmod(hw,W)
            C[h][w]="."
for h in range(H):
    print(*C[h],sep="")
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