結果
問題 | No.1290 Addition and Subtraction Operation |
ユーザー | vwxyz |
提出日時 | 2023-03-21 21:00:05 |
言語 | Python3 (3.12.2 + numpy 1.26.4 + scipy 1.12.0) |
結果 |
AC
|
実行時間 | 519 ms / 2,000 ms |
コード長 | 3,006 bytes |
コンパイル時間 | 224 ms |
コンパイル使用メモリ | 12,928 KB |
実行使用メモリ | 45,752 KB |
最終ジャッジ日時 | 2024-09-18 14:30:21 |
合計ジャッジ時間 | 21,926 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge1 |
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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 | 33 ms
11,008 KB |
testcase_01 | AC | 34 ms
11,008 KB |
testcase_02 | AC | 32 ms
11,008 KB |
testcase_03 | AC | 32 ms
11,008 KB |
testcase_04 | AC | 31 ms
11,008 KB |
testcase_05 | AC | 31 ms
10,880 KB |
testcase_06 | AC | 31 ms
11,008 KB |
testcase_07 | AC | 32 ms
11,008 KB |
testcase_08 | AC | 32 ms
11,008 KB |
testcase_09 | AC | 33 ms
11,008 KB |
testcase_10 | AC | 33 ms
11,008 KB |
testcase_11 | AC | 32 ms
11,008 KB |
testcase_12 | AC | 32 ms
11,008 KB |
testcase_13 | AC | 31 ms
11,008 KB |
testcase_14 | AC | 32 ms
11,008 KB |
testcase_15 | AC | 32 ms
11,008 KB |
testcase_16 | AC | 31 ms
10,880 KB |
testcase_17 | AC | 32 ms
11,008 KB |
testcase_18 | AC | 32 ms
11,008 KB |
testcase_19 | AC | 32 ms
11,008 KB |
testcase_20 | AC | 32 ms
11,136 KB |
testcase_21 | AC | 34 ms
11,008 KB |
testcase_22 | AC | 33 ms
11,008 KB |
testcase_23 | AC | 32 ms
11,008 KB |
testcase_24 | AC | 33 ms
11,008 KB |
testcase_25 | AC | 33 ms
11,008 KB |
testcase_26 | AC | 33 ms
11,008 KB |
testcase_27 | AC | 32 ms
11,008 KB |
testcase_28 | AC | 32 ms
11,008 KB |
testcase_29 | AC | 33 ms
11,008 KB |
testcase_30 | AC | 32 ms
10,880 KB |
testcase_31 | AC | 33 ms
11,136 KB |
testcase_32 | AC | 32 ms
11,008 KB |
testcase_33 | AC | 31 ms
11,008 KB |
testcase_34 | AC | 32 ms
11,008 KB |
testcase_35 | AC | 32 ms
11,136 KB |
testcase_36 | AC | 32 ms
11,008 KB |
testcase_37 | AC | 32 ms
11,136 KB |
testcase_38 | AC | 32 ms
11,136 KB |
testcase_39 | AC | 32 ms
10,880 KB |
testcase_40 | AC | 32 ms
10,880 KB |
testcase_41 | AC | 31 ms
11,008 KB |
testcase_42 | AC | 262 ms
11,264 KB |
testcase_43 | AC | 264 ms
11,136 KB |
testcase_44 | AC | 261 ms
11,136 KB |
testcase_45 | AC | 260 ms
11,136 KB |
testcase_46 | AC | 260 ms
11,136 KB |
testcase_47 | AC | 264 ms
11,136 KB |
testcase_48 | AC | 264 ms
11,136 KB |
testcase_49 | AC | 261 ms
11,264 KB |
testcase_50 | AC | 263 ms
11,136 KB |
testcase_51 | AC | 269 ms
11,136 KB |
testcase_52 | AC | 262 ms
11,136 KB |
testcase_53 | AC | 262 ms
11,136 KB |
testcase_54 | AC | 260 ms
11,136 KB |
testcase_55 | AC | 259 ms
11,136 KB |
testcase_56 | AC | 267 ms
11,136 KB |
testcase_57 | AC | 338 ms
36,464 KB |
testcase_58 | AC | 392 ms
34,756 KB |
testcase_59 | AC | 338 ms
36,724 KB |
testcase_60 | AC | 494 ms
25,336 KB |
testcase_61 | AC | 452 ms
28,656 KB |
testcase_62 | AC | 469 ms
27,632 KB |
testcase_63 | AC | 389 ms
34,800 KB |
testcase_64 | AC | 278 ms
42,432 KB |
testcase_65 | AC | 312 ms
37,488 KB |
testcase_66 | AC | 434 ms
32,756 KB |
testcase_67 | AC | 519 ms
25,720 KB |
testcase_68 | AC | 457 ms
28,144 KB |
testcase_69 | AC | 386 ms
34,548 KB |
testcase_70 | AC | 372 ms
35,292 KB |
testcase_71 | AC | 415 ms
33,420 KB |
testcase_72 | AC | 304 ms
37,620 KB |
testcase_73 | AC | 434 ms
29,428 KB |
testcase_74 | AC | 270 ms
42,500 KB |
testcase_75 | AC | 307 ms
42,872 KB |
testcase_76 | AC | 381 ms
35,016 KB |
testcase_77 | AC | 487 ms
32,504 KB |
testcase_78 | AC | 456 ms
33,748 KB |
testcase_79 | AC | 390 ms
39,436 KB |
testcase_80 | AC | 515 ms
30,676 KB |
testcase_81 | AC | 511 ms
30,412 KB |
testcase_82 | AC | 438 ms
37,864 KB |
testcase_83 | AC | 515 ms
31,036 KB |
testcase_84 | AC | 504 ms
31,964 KB |
testcase_85 | AC | 338 ms
40,620 KB |
testcase_86 | AC | 292 ms
45,752 KB |
ソースコード
import sys readline=sys.stdin.readline from collections import defaultdict class UnionFind: def __init__(self,N,label=None,f=None,weighted=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 def Find(self,x): stack=[] while self.parents[x]!=None: stack.append(x) x=self.parents[x] 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 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 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 __str__(self): linked_components=defaultdict(list) for x in range(self.N): linked_components[self.Find(x)].append(x) return "\n".join(f"{r}: {m}" for r,m in linked_components.items()) N,M=map(int,readline().split()) B=[0]+list(map(int,readline().split()))+[0] for i in range(1,N+1,2): B[i]*=-1 diff=[B[i+1]-B[i] for i in range(N+1)] UF=UnionFind(N+1) for m in range(M): l,r=map(int,readline().split()) l-=1 UF.Union(l,r) ans="YES" for r,lst in UF.Linked_Components().items(): if sum(diff[x] for x in lst): ans="NO" print(ans)