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 22:35:52 |
| 言語 | PyPy3 (7.3.15) |
| 結果 |
MLE
|
| 実行時間 | - |
| コード長 | 1,310 bytes |
| コンパイル時間 | 244 ms |
| コンパイル使用メモリ | 82,184 KB |
| 実行使用メモリ | 600,480 KB |
| 最終ジャッジ日時 | 2024-09-15 10:41:26 |
| 合計ジャッジ時間 | 6,515 ms |
|
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 6 MLE * 1 -- * 2 |
ソースコード
mod = 998244353
def subset(n,X):
res = [[] for i in range(2*n)]
for i in range(n,2*n):
res[i] = [X[i-n]]
for i in range(n-1,-1,-1):
res[i] = res[2*i] + res[2*i+1]
size = len(res[i])//2
for j in range(size):
res[i][j+size] += res[i][j]
res[i][j+size] %= mod
return res[1]
def isubset(n,X):
res = [[] for i in range(2 * n)]
for i in range(n,2*n):
res[i] = [X[i-n]]
for i in range(n-1,-1,-1):
res[i] = res[2*i] + res[2*i+1]
size = len(res[i])//2
for j in range(size):
res[i][j+size] -= res[i][j]
res[i][j+size] %= mod
return res[1]
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(1<<N,A)
A1 = A1[::-1]
B1 = isubset(1<<N,B)
C = [A1[k]*B1[k]%mod for k in range(1<<N)]
C = subset(1<<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
"""