結果
問題 | No.2062 Sum of Subset mod 999630629 |
ユーザー | googol_S0 |
提出日時 | 2022-08-26 22:20:24 |
言語 | PyPy3 (7.3.15) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,560 bytes |
コンパイル時間 | 308 ms |
コンパイル使用メモリ | 82,304 KB |
実行使用メモリ | 93,440 KB |
最終ジャッジ日時 | 2024-10-13 22:57:18 |
合計ジャッジ時間 | 4,062 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 | 62 ms
66,944 KB |
testcase_01 | AC | 61 ms
67,072 KB |
testcase_02 | AC | 61 ms
66,816 KB |
testcase_03 | AC | 65 ms
66,944 KB |
testcase_04 | AC | 62 ms
66,560 KB |
testcase_05 | AC | 61 ms
67,072 KB |
testcase_06 | AC | 61 ms
66,688 KB |
testcase_07 | AC | 61 ms
66,816 KB |
testcase_08 | AC | 84 ms
88,704 KB |
testcase_09 | AC | 78 ms
84,608 KB |
testcase_10 | AC | 78 ms
82,432 KB |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | WA | - |
testcase_20 | WA | - |
testcase_21 | WA | - |
testcase_22 | WA | - |
testcase_23 | AC | 81 ms
87,168 KB |
testcase_24 | AC | 82 ms
87,040 KB |
testcase_25 | WA | - |
testcase_26 | WA | - |
testcase_27 | WA | - |
testcase_28 | WA | - |
testcase_29 | WA | - |
testcase_30 | WA | - |
testcase_31 | WA | - |
ソースコード
mod=998244353 def cmb(n,r): if r<0 or r>n: return 0 return ((g1[n]*g2[r]%mod)*g2[n-r])%mod N=300000 g1=[1]*(N+3) for i in range(2,N+3): g1[i]=g1[i-1]*i%mod g2=[0]*len(g1) g2[-1]=pow(g1[-1],mod-2,mod) for i in range(N+1,-1,-1): g2[i]=g2[i+1]*(i+1)%mod inv=[0]*(N+3) for i in range(1,N+3): inv[i]=g2[i]*g1[i-1]%mod N=int(input()) A=list(map(int,input().split())) mod=998244353 MOD=999630629 S=sum(A) if S<MOD: print(pow(2,N-1,mod)*S%mod) exit() class FPS: sum_e=(911660635, 509520358, 369330050, 332049552, 983190778, 123842337, 238493703, 975955924, 603855026, 856644456, 131300601, 842657263, 730768835, 942482514, 806263778, 151565301, 510815449, 503497456, 743006876, 741047443, 56250497) sum_ie=(86583718, 372528824, 373294451, 645684063, 112220581, 692852209, 155456985, 797128860, 90816748, 860285882, 927414960, 354738543, 109331171, 293255632, 535113200, 308540755, 121186627, 608385704, 438932459, 359477183, 824071951) mod=998244353 g=3 def butterfly(self,a): n=len(a) h=(n-1).bit_length() for ph in range(1,h+1): w=1<<(ph-1) p=1<<(h-ph) now=1 for s in range(w): offset=s<<(h-ph+1) for i in range(p): l=a[i+offset] r=a[i+offset+p]*now r%=self.mod a[i+offset]=l+r a[i+offset]%=self.mod a[i+offset+p]=l-r a[i+offset+p]%=self.mod now*=self.sum_e[(~s & -~s).bit_length()-1] now%=self.mod def butterfly_inv(self,a): n=len(a) h=(n-1).bit_length() for ph in range(h,0,-1): w=1<<(ph-1) p=1<<(h-ph) inow=1 for s in range(w): offset=s<<(h-ph+1) for i in range(p): l=a[i+offset] r=a[i+offset+p] a[i+offset]=l+r a[i+offset]%=self.mod a[i+offset+p]=(l-r)*inow a[i+offset+p]%=self.mod inow*=self.sum_ie[(~s & -~s).bit_length()-1] inow%=self.mod def convolution(self,a,b): n=len(a);m=len(b) if not(a) or not(b): return [] if min(n,m)<=40: if n<m: n,m=m,n a,b=b,a res=[0]*(n+m-1) for i in range(n): for j in range(m): res[i+j]+=a[i]*b[j] res[i+j]%=self.mod return res z=1<<((n+m-2).bit_length()) a,b=list(a),list(b) a=a+[0]*(z-n) b=b+[0]*(z-m) self.butterfly(a) self.butterfly(b) c=[0]*z for i in range(z): c[i]=(a[i]*b[i])%self.mod self.butterfly_inv(c) iz=pow(z,self.mod-2,self.mod) for i in range(n+m-1): c[i]=(c[i]*iz)%self.mod return c[:n+m-1] C=[0]*10000 for i in range(N): C[10000-A[i]]+=1 X=dict() X[0]=1 def f(x,y): kx=list(x.keys()) ky=list(y.keys()) z=dict() for i in range(len(kx)): for j in range(len(ky)): p,q=kx[i],ky[i] r=p+q if r>K: continue z[r]=(z.get(r,0)+x[p]*y[q])%mod return z K=S-MOD for i in range(10000): if C[i]==0: continue v=dict() for j in range(C[i],-1,-1): p=(10000-i)*(C[i]-j) if p>K: break v[p]=(v.get(p,0)+cmb(C[i],j))%mod X=f(X,v) print((pow(2,N-1,mod)*S-sum(X)*(MOD-mod))%mod)