結果
問題 | No.1388 Less than K |
ユーザー | vwxyz |
提出日時 | 2023-11-19 02:34:48 |
言語 | PyPy3 (7.3.15) |
結果 |
AC
|
実行時間 | 2,743 ms / 3,000 ms |
コード長 | 3,953 bytes |
コンパイル時間 | 328 ms |
コンパイル使用メモリ | 82,460 KB |
実行使用メモリ | 92,288 KB |
最終ジャッジ日時 | 2024-09-26 06:11:11 |
合計ジャッジ時間 | 38,228 ms |
ジャッジサーバーID (参考情報) |
judge3 / 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 | 35 ms
52,992 KB |
testcase_01 | AC | 37 ms
52,864 KB |
testcase_02 | AC | 45 ms
60,544 KB |
testcase_03 | AC | 36 ms
53,376 KB |
testcase_04 | AC | 49 ms
64,384 KB |
testcase_05 | AC | 77 ms
76,800 KB |
testcase_06 | AC | 69 ms
73,600 KB |
testcase_07 | AC | 47 ms
60,544 KB |
testcase_08 | AC | 96 ms
76,544 KB |
testcase_09 | AC | 65 ms
71,296 KB |
testcase_10 | AC | 61 ms
70,784 KB |
testcase_11 | AC | 59 ms
69,248 KB |
testcase_12 | AC | 87 ms
77,412 KB |
testcase_13 | AC | 112 ms
77,988 KB |
testcase_14 | AC | 135 ms
78,080 KB |
testcase_15 | AC | 285 ms
79,744 KB |
testcase_16 | AC | 371 ms
80,768 KB |
testcase_17 | AC | 528 ms
82,048 KB |
testcase_18 | AC | 870 ms
84,992 KB |
testcase_19 | AC | 1,266 ms
87,412 KB |
testcase_20 | AC | 1,379 ms
87,936 KB |
testcase_21 | AC | 112 ms
87,808 KB |
testcase_22 | AC | 65 ms
74,752 KB |
testcase_23 | AC | 75 ms
77,824 KB |
testcase_24 | AC | 94 ms
82,432 KB |
testcase_25 | AC | 105 ms
83,584 KB |
testcase_26 | AC | 95 ms
84,480 KB |
testcase_27 | AC | 78 ms
80,256 KB |
testcase_28 | AC | 59 ms
72,448 KB |
testcase_29 | AC | 58 ms
72,320 KB |
testcase_30 | AC | 49 ms
64,128 KB |
testcase_31 | AC | 51 ms
67,200 KB |
testcase_32 | AC | 41 ms
60,928 KB |
testcase_33 | AC | 64 ms
76,032 KB |
testcase_34 | AC | 62 ms
75,264 KB |
testcase_35 | AC | 62 ms
74,496 KB |
testcase_36 | AC | 77 ms
81,920 KB |
testcase_37 | AC | 66 ms
77,952 KB |
testcase_38 | AC | 141 ms
87,808 KB |
testcase_39 | AC | 97 ms
86,144 KB |
testcase_40 | AC | 117 ms
85,248 KB |
testcase_41 | AC | 230 ms
91,904 KB |
testcase_42 | AC | 90 ms
88,064 KB |
testcase_43 | AC | 484 ms
91,392 KB |
testcase_44 | AC | 2,075 ms
91,720 KB |
testcase_45 | AC | 578 ms
91,208 KB |
testcase_46 | AC | 760 ms
89,728 KB |
testcase_47 | AC | 2,612 ms
91,648 KB |
testcase_48 | AC | 2,231 ms
92,032 KB |
testcase_49 | AC | 2,743 ms
92,084 KB |
testcase_50 | AC | 2,621 ms
91,648 KB |
testcase_51 | AC | 613 ms
91,392 KB |
testcase_52 | AC | 534 ms
91,264 KB |
testcase_53 | AC | 334 ms
92,032 KB |
testcase_54 | AC | 190 ms
91,780 KB |
testcase_55 | AC | 75 ms
91,520 KB |
testcase_56 | AC | 566 ms
92,032 KB |
testcase_57 | AC | 1,531 ms
92,288 KB |
testcase_58 | AC | 2,652 ms
92,032 KB |
testcase_59 | AC | 656 ms
91,520 KB |
testcase_60 | AC | 547 ms
91,520 KB |
testcase_61 | AC | 83 ms
89,728 KB |
testcase_62 | AC | 65 ms
78,208 KB |
testcase_63 | AC | 94 ms
92,268 KB |
testcase_64 | AC | 116 ms
92,288 KB |
testcase_65 | AC | 195 ms
92,240 KB |
testcase_66 | AC | 342 ms
92,032 KB |
testcase_67 | AC | 343 ms
91,520 KB |
testcase_68 | AC | 1,095 ms
92,032 KB |
testcase_69 | AC | 1,278 ms
92,160 KB |
testcase_70 | AC | 2,145 ms
92,032 KB |
testcase_71 | AC | 761 ms
89,856 KB |
testcase_72 | AC | 97 ms
91,904 KB |
testcase_73 | AC | 85 ms
90,112 KB |
testcase_74 | AC | 79 ms
85,760 KB |
testcase_75 | AC | 70 ms
80,512 KB |
testcase_76 | AC | 70 ms
80,384 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<=300: 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]%mod*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)