結果
問題 | No.1388 Less than K |
ユーザー | vwxyz |
提出日時 | 2023-11-19 02:38:14 |
言語 | PyPy3 (7.3.15) |
結果 |
AC
|
実行時間 | 2,941 ms / 3,000 ms |
コード長 | 3,949 bytes |
コンパイル時間 | 377 ms |
コンパイル使用メモリ | 81,920 KB |
実行使用メモリ | 92,288 KB |
最終ジャッジ日時 | 2024-09-26 06:13:21 |
合計ジャッジ時間 | 41,175 ms |
ジャッジサーバーID (参考情報) |
judge2 / 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 | 50 ms
52,736 KB |
testcase_01 | AC | 47 ms
52,736 KB |
testcase_02 | AC | 56 ms
60,732 KB |
testcase_03 | AC | 46 ms
53,252 KB |
testcase_04 | AC | 62 ms
64,508 KB |
testcase_05 | AC | 100 ms
76,464 KB |
testcase_06 | AC | 86 ms
73,728 KB |
testcase_07 | AC | 54 ms
60,508 KB |
testcase_08 | AC | 117 ms
76,672 KB |
testcase_09 | AC | 83 ms
71,296 KB |
testcase_10 | AC | 77 ms
70,400 KB |
testcase_11 | AC | 75 ms
69,504 KB |
testcase_12 | AC | 111 ms
77,200 KB |
testcase_13 | AC | 135 ms
77,592 KB |
testcase_14 | AC | 165 ms
77,952 KB |
testcase_15 | AC | 314 ms
79,656 KB |
testcase_16 | AC | 414 ms
80,500 KB |
testcase_17 | AC | 600 ms
82,300 KB |
testcase_18 | AC | 982 ms
84,788 KB |
testcase_19 | AC | 1,391 ms
87,040 KB |
testcase_20 | AC | 1,475 ms
87,576 KB |
testcase_21 | AC | 139 ms
87,680 KB |
testcase_22 | AC | 81 ms
74,368 KB |
testcase_23 | AC | 96 ms
78,080 KB |
testcase_24 | AC | 115 ms
82,176 KB |
testcase_25 | AC | 126 ms
83,584 KB |
testcase_26 | AC | 115 ms
84,480 KB |
testcase_27 | AC | 96 ms
80,384 KB |
testcase_28 | AC | 75 ms
72,576 KB |
testcase_29 | AC | 73 ms
71,808 KB |
testcase_30 | AC | 63 ms
64,768 KB |
testcase_31 | AC | 67 ms
67,072 KB |
testcase_32 | AC | 59 ms
60,672 KB |
testcase_33 | AC | 81 ms
75,648 KB |
testcase_34 | AC | 82 ms
75,392 KB |
testcase_35 | AC | 80 ms
74,112 KB |
testcase_36 | AC | 96 ms
81,920 KB |
testcase_37 | AC | 83 ms
77,696 KB |
testcase_38 | AC | 169 ms
87,780 KB |
testcase_39 | AC | 120 ms
86,208 KB |
testcase_40 | AC | 144 ms
85,120 KB |
testcase_41 | AC | 269 ms
91,668 KB |
testcase_42 | AC | 112 ms
87,772 KB |
testcase_43 | AC | 552 ms
91,200 KB |
testcase_44 | AC | 2,249 ms
91,648 KB |
testcase_45 | AC | 637 ms
90,940 KB |
testcase_46 | AC | 829 ms
89,728 KB |
testcase_47 | AC | 2,862 ms
91,496 KB |
testcase_48 | AC | 2,446 ms
91,844 KB |
testcase_49 | AC | 855 ms
88,960 KB |
testcase_50 | AC | 2,890 ms
91,520 KB |
testcase_51 | AC | 710 ms
91,136 KB |
testcase_52 | AC | 599 ms
91,264 KB |
testcase_53 | AC | 387 ms
92,032 KB |
testcase_54 | AC | 228 ms
91,776 KB |
testcase_55 | AC | 97 ms
91,384 KB |
testcase_56 | AC | 641 ms
92,052 KB |
testcase_57 | AC | 1,679 ms
92,132 KB |
testcase_58 | AC | 2,941 ms
92,160 KB |
testcase_59 | AC | 700 ms
91,236 KB |
testcase_60 | AC | 588 ms
91,392 KB |
testcase_61 | AC | 107 ms
89,344 KB |
testcase_62 | AC | 89 ms
77,952 KB |
testcase_63 | AC | 118 ms
91,872 KB |
testcase_64 | AC | 140 ms
91,904 KB |
testcase_65 | AC | 230 ms
92,032 KB |
testcase_66 | AC | 391 ms
91,904 KB |
testcase_67 | AC | 392 ms
91,520 KB |
testcase_68 | AC | 1,223 ms
92,288 KB |
testcase_69 | AC | 1,408 ms
91,980 KB |
testcase_70 | AC | 2,304 ms
92,000 KB |
testcase_71 | AC | 818 ms
89,728 KB |
testcase_72 | AC | 120 ms
91,820 KB |
testcase_73 | AC | 111 ms
90,180 KB |
testcase_74 | AC | 102 ms
85,504 KB |
testcase_75 | AC | 91 ms
80,640 KB |
testcase_76 | AC | 90 ms
80,640 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 H,W,K=map(int,readline().split()) H-=1;W-=1 K//=2 mod=998244353 fact=[1]+[i for i in range(1,H+W+1)] for i in range(1,H+W+1): fact[i]*=fact[i-1] fact[i]%=mod fact_inve=[i for i in range(1,H+W+1)]+[pow(fact[H+W],mod-2,mod)] for i in range(H+W-1,-1,-1): fact_inve[i]*=fact_inve[i+1] fact_inve[i]%=mod N=min(H,W) ans=0 if K<=290: for h in range(N+1): if h: prev=dp dp=[0]*(2*K+1) else: dp=[0]*(2*K+1) dp[K]=1 for w in range(max(h-K,0),min(h+K,N)+1): if h and abs((h-1)-w)<=K: dp[w-h+K]+=prev[w-(h-1)+K] if w and abs(h-(w-1))<=K: dp[w-h+K]+=dp[(w-1)-h+K] dp[w-h+K]%=mod ans+=fact[H+W]*fact_inve[H-h]%mod*fact_inve[W-h]%mod*fact_inve[2*h]%mod*dp[K]%mod ans%=mod else: for cnt in range(N+1): s=fact_inve[cnt]*fact_inve[cnt]%mod for i in range(1,cnt//(K+1)+1): if i%2: s-=2*fact_inve[cnt-(K+1)*i]*fact_inve[cnt+(K+1)*i]%mod else: s+=2*fact_inve[cnt-(K+1)*i]*fact_inve[cnt+(K+1)*i]%mod s%=mod ans+=fact[H+W]*fact_inve[H-cnt]%mod*fact_inve[W-cnt]%mod*s%mod ans%=mod print(ans)