結果
| 問題 |
No.1503 Bitwise And Convolution Twisted
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2021-05-07 22:31:06 |
| 言語 | PyPy3 (7.3.15) |
| 結果 |
AC
|
| 実行時間 | 1,691 ms / 2,000 ms |
| コード長 | 1,481 bytes |
| コンパイル時間 | 218 ms |
| コンパイル使用メモリ | 82,048 KB |
| 実行使用メモリ | 351,676 KB |
| 最終ジャッジ日時 | 2024-09-15 10:34:22 |
| 合計ジャッジ時間 | 9,121 ms |
|
ジャッジサーバーID (参考情報) |
judge6 / judge1 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 9 |
ソースコード
mod = 998244353
def andconv(n,X,Y):
if n==0:
res=[(X[0]*Y[0])%mod]
return res
x=[X[i]+X[i+2**(n-1)] for i in range(2**(n-1))]
y=[Y[i]+Y[i+2**(n-1)] for i in range(2**(n-1))]
z=[X[i+2**(n-1)] for i in range(2**(n-1))]
w=[Y[i+2**(n-1)] for i in range(2**(n-1))]
res1=andconv(n-1,x,y)
res2=andconv(n-1,z,w)
res1=[(res1[i]-res2[i])%mod for i in range(2**(n-1))]
return res1+res2
def subset(n,X):
if n==0:
return [X[0]%mod]
x = subset(n-1,X[:1<<(n-1)])
y = subset(n-1,X[1<<(n-1):])
for i in range(1<<(n-1)):
y[i] += x[i]
y[i] %= mod
return x+y
def isubset(n,X):
if n==0:
return [X[0]%mod]
x = isubset(n-1,X[:1<<(n-1)])
y = isubset(n-1,X[1<<(n-1):])
for i in range(1<<(n-1)):
y[i] = y[i] - x[i]
y[i] %= mod
return x+y
import sys,random,bisect
from collections import deque,defaultdict
from heapq import heapify,heappop,heappush
from itertools import permutations
from math import log,gcd
input = lambda :sys.stdin.readline().rstrip()
mi = lambda :map(int,input().split())
li = lambda :list(mi())
N = int(input())
A = li()
B = li()
A = A[::-1]
A1 = subset(N,A)
A1 = A1[::-1]
B1 = isubset(N,B)
C = [A1[k]*B1[k]%mod for k in range(1<<N)]
C = subset(N,C)
print(*C)
"""
C_n = \sum_{i subset n} B_i (\sum_{i subset j subset n} (-1)**(j-i) A1_j)
= \sum_{i subset n} \sum_{j subset i} A1_i * (i-j) * B_j
= \sum_{i subset n} A1_i B1_i
"""