結果
問題 | No.1703 Much Matching |
ユーザー | harurun |
提出日時 | 2021-09-01 12:38:32 |
言語 | PyPy3 (7.3.15) |
結果 |
WA
(最新)
AC
(最初)
|
実行時間 | - |
コード長 | 2,069 bytes |
コンパイル時間 | 287 ms |
コンパイル使用メモリ | 82,500 KB |
実行使用メモリ | 84,568 KB |
最終ジャッジ日時 | 2024-07-23 03:27:38 |
合計ジャッジ時間 | 5,719 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge4 |
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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 | 39 ms
53,500 KB |
testcase_01 | AC | 39 ms
53,268 KB |
testcase_02 | AC | 39 ms
53,676 KB |
testcase_03 | AC | 53 ms
65,316 KB |
testcase_04 | WA | - |
testcase_05 | AC | 64 ms
71,176 KB |
testcase_06 | AC | 141 ms
81,852 KB |
testcase_07 | AC | 62 ms
74,244 KB |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | AC | 84 ms
76,748 KB |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | AC | 55 ms
68,092 KB |
testcase_15 | WA | - |
testcase_16 | AC | 111 ms
79,144 KB |
testcase_17 | AC | 125 ms
78,088 KB |
testcase_18 | AC | 54 ms
66,076 KB |
testcase_19 | AC | 177 ms
83,364 KB |
testcase_20 | AC | 79 ms
76,104 KB |
testcase_21 | AC | 197 ms
80,892 KB |
testcase_22 | WA | - |
testcase_23 | AC | 117 ms
77,732 KB |
testcase_24 | AC | 59 ms
67,604 KB |
testcase_25 | WA | - |
testcase_26 | WA | - |
testcase_27 | AC | 120 ms
78,456 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 | 292 ms
84,568 KB |
testcase_37 | AC | 89 ms
84,172 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]) from sys import stdin pin=stdin.readline def main(): N,M,Q=map(int,pin().split()) uf=dsu(N+M) for _ in[0]*Q: a,b=map(int,pin().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()