結果
問題 | No.1703 Much Matching |
ユーザー | harurun |
提出日時 | 2021-09-01 12:37:27 |
言語 | PyPy3 (7.3.15) |
結果 |
WA
(最新)
AC
(最初)
|
実行時間 | - |
コード長 | 2,033 bytes |
コンパイル時間 | 297 ms |
コンパイル使用メモリ | 82,228 KB |
実行使用メモリ | 87,752 KB |
最終ジャッジ日時 | 2024-07-23 03:27:32 |
合計ジャッジ時間 | 7,510 ms |
ジャッジサーバーID (参考情報) |
judge3 / 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 | 38 ms
53,756 KB |
testcase_01 | AC | 38 ms
53,468 KB |
testcase_02 | AC | 38 ms
53,636 KB |
testcase_03 | AC | 52 ms
64,988 KB |
testcase_04 | WA | - |
testcase_05 | AC | 65 ms
72,460 KB |
testcase_06 | AC | 223 ms
79,084 KB |
testcase_07 | AC | 83 ms
76,668 KB |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | AC | 105 ms
77,400 KB |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | AC | 70 ms
73,856 KB |
testcase_15 | WA | - |
testcase_16 | AC | 168 ms
78,732 KB |
testcase_17 | AC | 187 ms
81,140 KB |
testcase_18 | AC | 69 ms
73,164 KB |
testcase_19 | AC | 279 ms
80,688 KB |
testcase_20 | AC | 102 ms
76,832 KB |
testcase_21 | AC | 325 ms
81,268 KB |
testcase_22 | WA | - |
testcase_23 | AC | 158 ms
78,052 KB |
testcase_24 | AC | 73 ms
74,524 KB |
testcase_25 | WA | - |
testcase_26 | WA | - |
testcase_27 | AC | 191 ms
78,712 KB |
testcase_28 | WA | - |
testcase_29 | WA | - |
testcase_30 | WA | - |
testcase_31 | WA | - |
testcase_32 | WA | - |
testcase_33 | WA | - |
testcase_34 | WA | - |
testcase_35 | WA | - |
testcase_36 | AC | 542 ms
87,752 KB |
testcase_37 | AC | 95 ms
82,700 KB |
ソースコード
class dsu: def __init__(self,n): assert n>0,"n must be Natural" self.n=n self.parents=[-1]*n return def find(self,x): assert x<self.n,"warning!! this is 0 index" if self.parents[x]<0: return x self.parents[x]=self.find(self.parents[x]) return self.parents[x] def merge(self,x,y): assert x<self.n and y<self.n,"warning!! this is 0 index" 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 return def size(self,x): assert x<self.n,"warning!! this is 0 index" return -self.parents[self.find(x)] def same(self,x,y): assert x<self.n and y<self.n,"warning!! this is 0 index" return self.find(x)==self.find(y) def leader(self,x): assert x<self.n,"warning!! this is 0 index" if self.parents[x]<0: return x self.parents[x]=self.leader(self.parents[x]) return self.parents[x] def groups(self): ld=[self.leader(i) for i in range(self.n)] res=[[] for _ in range(self.n)] for i in range(self.n): res[ld[i]].append(i) return list(filter(lambda a:a !=[],res)) def lcs(S,T): dp=[[0]*(len(T)+1)for _ in[0]*(len(S)+1)] for i in range(1,len(S)+1): for j in range(1,len(T)+1): if S[i-1]==T[j-1]: dp[i][j]=dp[i-1][j-1]+1 else: dp[i][j]=max(dp[i-1][j],dp[i][j-1]) length=dp[len(S)][len(T)] i=len(S) j=len(T) ans=[] while length>0: if S[i-1]==T[j-1]: ans.append(S[i-1]) i-=1 j-=1 length-=1 elif dp[i][j]==dp[i-1][j]: i-=1 else: j-=1 return len(ans[::-1]) def main(): N,M,Q=map(int,input().split()) uf=dsu(N+M) for _ in[0]*Q: a,b=map(int,input().split()) uf.merge(a-1,N+b-1) A=list(range(0,N)) B=list(range(N,N+M)) g=uf.groups() for i in g: for j in i: if j<N: A[j]=i[0] else: B[j-N]=i[0] ans=lcs(A,B) print(ans) return main()