結果
問題 | No.2149 Vanitas Vanitatum |
ユーザー | vwxyz |
提出日時 | 2023-05-16 01:14:31 |
言語 | Python3 (3.12.2 + numpy 1.26.4 + scipy 1.12.0) |
結果 |
RE
|
実行時間 | - |
コード長 | 4,072 bytes |
コンパイル時間 | 237 ms |
コンパイル使用メモリ | 13,184 KB |
実行使用メモリ | 89,768 KB |
最終ジャッジ日時 | 2024-05-08 04:59:12 |
合計ジャッジ時間 | 7,008 ms |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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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 | 30 ms
11,136 KB |
testcase_01 | AC | 29 ms
11,264 KB |
testcase_02 | AC | 33 ms
11,392 KB |
testcase_03 | AC | 31 ms
11,264 KB |
testcase_04 | RE | - |
testcase_05 | RE | - |
testcase_06 | AC | 30 ms
11,392 KB |
testcase_07 | AC | 31 ms
11,136 KB |
testcase_08 | RE | - |
testcase_09 | AC | 31 ms
11,264 KB |
testcase_10 | AC | 31 ms
11,392 KB |
testcase_11 | AC | 32 ms
11,136 KB |
testcase_12 | AC | 31 ms
11,136 KB |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | AC | 31 ms
11,264 KB |
testcase_17 | AC | 30 ms
11,136 KB |
testcase_18 | AC | 31 ms
11,136 KB |
testcase_19 | AC | 469 ms
59,604 KB |
testcase_20 | AC | 734 ms
89,088 KB |
testcase_21 | AC | 155 ms
24,832 KB |
testcase_22 | AC | 730 ms
87,924 KB |
testcase_23 | AC | 579 ms
72,012 KB |
testcase_24 | AC | 32 ms
11,264 KB |
testcase_25 | AC | 403 ms
51,200 KB |
testcase_26 | AC | 862 ms
89,768 KB |
ソースコード
import sys readline=sys.stdin.readline def Extended_Euclid(n,m): stack=[] while m: stack.append((n,m)) n,m=m,n%m if n>=0: x,y=1,0 else: x,y=-1,0 for i in range(len(stack)-1,-1,-1): n,m=stack[i] x,y=y,x-(n//m)*y return x,y class MOD: def __init__(self,p,e=None): self.p=p self.e=e if self.e==None: self.mod=self.p else: self.mod=self.p**self.e def Pow(self,a,n): a%=self.mod if n>=0: return pow(a,n,self.mod) else: #assert math.gcd(a,self.mod)==1 x=Extended_Euclid(a,self.mod)[0] return pow(x,-n,self.mod) def Build_Fact(self,N): assert N>=0 self.factorial=[1] if self.e==None: for i in range(1,N+1): self.factorial.append(self.factorial[-1]*i%self.mod) else: self.cnt=[0]*(N+1) for i in range(1,N+1): self.cnt[i]=self.cnt[i-1] ii=i while ii%self.p==0: ii//=self.p self.cnt[i]+=1 self.factorial.append(self.factorial[-1]*ii%self.mod) self.factorial_inve=[None]*(N+1) self.factorial_inve[-1]=self.Pow(self.factorial[-1],-1) for i in range(N-1,-1,-1): ii=i+1 while ii%self.p==0: ii//=self.p self.factorial_inve[i]=(self.factorial_inve[i+1]*ii)%self.mod def Build_Inverse(self,N): self.inverse=[None]*(N+1) assert self.p>N self.inverse[1]=1 for n in range(2,N+1): if n%self.p==0: continue a,b=divmod(self.mod,n) self.inverse[n]=(-a*self.inverse[b])%self.mod def Inverse(self,n): return self.inverse[n] def Fact(self,N): if N<0: return 0 retu=self.factorial[N] if self.e!=None and self.cnt[N]: retu*=pow(self.p,self.cnt[N],self.mod)%self.mod retu%=self.mod return retu def Fact_Inve(self,N): if self.e!=None and self.cnt[N]: return None return self.factorial_inve[N] def Comb(self,N,K,divisible_count=False): if K<0 or K>N: return 0 retu=self.factorial[N]*self.factorial_inve[K]%self.mod*self.factorial_inve[N-K]%self.mod if self.e!=None: cnt=self.cnt[N]-self.cnt[N-K]-self.cnt[K] if divisible_count: return retu,cnt else: retu*=pow(self.p,cnt,self.mod) retu%=self.mod return retu def Hook_Length_Formula(lst,mod=0): lst=sorted(lst) le=[0]*lst[-1] nume,deno=1,1 s=0 for l in lst: for j in range(l): nume*=s+1 deno*=le[j]+l-j s+=1 le[j]+=1 if mod: nume%=mod deno%=mod if mod: retu=nume*MOD(mod).Pow(deno,-1)%mod else: retu=nume//deno return retu N=int(readline()) A=[0]+list(map(int,readline().split())) mod=998244353 if sum(A)%2: ans=0 else: MD=MOD(mod) MD.Build_Fact(N*max(A)) lst=[] for i in range(N): for _ in range(A[i+1]-A[i]): lst.append(1) lst.append(0) lst0=lst[::2] lst1=lst[1::2] L,R=[0],[] for i in range(len(lst0)): if lst0[i]==0: L.append(i+1) R.append(i) R.append(len(lst0)) lst0=[r-l for l,r in zip(L,R)] for i in range(1,len(lst0)): lst0[i]+=lst0[i-1] L,R=[0],[] for i in range(len(lst1)): if lst1[i]==0: L.append(i+1) R.append(i) R.append(len(lst1)) lst1=[r-l for l,r in zip(L,R)] for i in range(1,len(lst1)): lst1[i]+=lst1[i-1] ans=Hook_Length_Formula(lst0[:-1][::-1],mod)*Hook_Length_Formula(lst1[:-1][::-1],mod)%mod ans*=MD.Comb(sum(lst0[:-1])+sum(lst1[:-1]),sum(lst0[:-1])) ans%=mod print(ans)