cp-library
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test/library-checker/set-power-series/power_projection_of_set_power_series.test.py
- View this file on GitHub
- Last update: 2025-08-24 20:27:05+09:00
- Problem: https://judge.yosupo.jp/problem/power_projection_of_set_power_series
Depends on
- cp_library/alg/dp/max2_fn.py
- cp_library/bit/popcnts_fn.py
- cp_library/ds/list/elist_fn.py
- cp_library/ds/list/list_find_fn.py
- cp_library/ds/view/view_cls.py
- cp_library/io/fast_io_fn.py
- cp_library/io/io_base_cls.py
- cp_library/io/io_cls.py
- cp_library/math/conv/ior_mobius_ranked_fn.py
- cp_library/math/conv/ior_zeta_pair_ranked_fn.py
- cp_library/math/conv/mod/isubset_conv_ranked_fn.py
- cp_library/math/conv/mod/subset_conv_fn.py
- cp_library/math/sps/mod/sps_pow_proj_fn.py
- cp_library/math/sps/mod/sps_pow_proj_poly_fn.py
Code
# verification-helper: PROBLEM https://judge.yosupo.jp/problem/power_projection_of_set_power_series
def main():
N, M = rd()
A = rdl(1<<N)
W = rdl(1<<N)
ans = sps_pow_proj_poly(W, A, M, 998244353)
wtnl(ans)
from cp_library.math.sps.mod.sps_pow_proj_poly_fn import sps_pow_proj_poly
from cp_library.io.fast_io_fn import rd, rdl, wtnl
main()# verification-helper: PROBLEM https://judge.yosupo.jp/problem/power_projection_of_set_power_series
def main():
N, M = rd()
A = rdl(1<<N)
W = rdl(1<<N)
ans = sps_pow_proj_poly(W, A, M, 998244353)
wtnl(ans)
'''
╺━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━╸
https://kobejean.github.io/cp-library
'''
from typing import Generic
from typing import TypeVar
_S = TypeVar('S'); _T = TypeVar('T'); _U = TypeVar('U'); _T1 = TypeVar('T1'); _T2 = TypeVar('T2'); _T3 = TypeVar('T3'); _T4 = TypeVar('T4'); _T5 = TypeVar('T5'); _T6 = TypeVar('T6')
import sys
def list_find(lst: list, value, start = 0, stop = sys.maxsize):
try:
return lst.index(value, start, stop)
except:
return -1
class view(Generic[_T]):
__slots__ = 'A', 'l', 'r'
def __init__(V, A: list[_T], l: int = 0, r: int = 0): V.A, V.l, V.r = A, l, r
def __len__(V): return V.r - V.l
def __getitem__(V, i: int):
if 0 <= i < V.r - V.l: return V.A[V.l+i]
else: raise IndexError
def __setitem__(V, i: int, v: _T): V.A[V.l+i] = v
def __contains__(V, v: _T): return list_find(V.A, v, V.l, V.r) != -1
def set_range(V, l: int, r: int): V.l, V.r = l, r
def index(V, v: _T): return V.A.index(v, V.l, V.r) - V.l
def reverse(V):
l, r = V.l, V.r-1
while l < r: V.A[l], V.A[r] = V.A[r], V.A[l]; l += 1; r -= 1
def sort(V, /, *args, **kwargs):
A = V.A[V.l:V.r]; A.sort(*args, **kwargs)
for i,a in enumerate(A,V.l): V.A[i] = a
def pop(V): V.r -= 1; return V.A[V.r]
def append(V, v: _T): V.A[V.r] = v; V.r += 1
def popleft(V): V.l += 1; return V.A[V.l-1]
def appendleft(V, v: _T): V.l -= 1; V.A[V.l] = v;
def validate(V): return 0 <= V.l <= V.r <= len(V.A)
def popcnts(N):
P = [0]*(1 << N)
for i in range(N):
for m in range(b := 1<<i):
P[m^b] = P[m] + 1
return P
'''
╺━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━╸
x₀ ────────●─●────────●───●────────●───────●────────► X₀
╳ ╲ ╱ ╲ ╱
x₄ ────────●─●────────●─╳─●────────●─╲───╱─●────────► X₁
╳ ╳ ╲ ╲ ╱ ╱
x₂ ────────●─●────────●─╳─●────────●─╲─╳─╱─●────────► X₂
╳ ╱ ╲ ╲ ╳ ╳ ╱
x₆ ────────●─●────────●───●────────●─╳─╳─╳─●────────► X₃
╳ ╳ ╳ ╳
x₁ ────────●─●────────●───●────────●─╳─╳─╳─●────────► X₄
╳ ╲ ╱ ╱ ╳ ╳ ╲
x₅ ────────●─●────────●─╳─●────────●─╱─╳─╲─●────────► X₅
╳ ╳ ╱ ╱ ╲ ╲
x₃ ────────●─●────────●─╳─●────────●─╱───╲─●────────► X₆
╳ ╱ ╲ ╱ ╲
x₇ ────────●─●────────●───●────────●───────●────────► X₇
╺━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━╸
Math - Convolution
'''
def max2(a, b): return a if a > b else b
def ior_zeta_pair_ranked(A, B, N, M, Z):
for i in range(0, Z, M):
l, r = i+(1<<(i>>N))-1, i+M
for j in range(N):
m = l|(b := 1<<j)
while m < r: A[m] += A[m^b]; B[m] += B[m^b]; m = m+1|b
return A, B
def ior_mobius_ranked(A: list[int], N: int, M: int, Z: int):
for i in range(0, Z, M):
l, r = i, i+M-(1<<(N-(i>>N)))+1
for j in range(N):
m = l|(b := 1<<j)
while m < r: A[m] -= A[m^b]; m = m+1|b
return A
def isubset_conv_ranked(Ar, Br, N, M, Z, mod) -> list[int]:
ior_zeta_pair_ranked(Ar, Br, N, M, Z)
for i in range(Z): Ar[i], Br[i] = Ar[i]%mod, Br[i]%mod
for ij in range(Z-M,-1,-M):
for k in range(M): Ar[ij|k] = (Ar[ij|k] * Br[k]) % mod
r = M-(1 << (N-(ij>>N)))+1
for i in range(0,ij,M):
j = ij-i; l = (1 << (max2(i,j)>>N))-1
for k in range(l,r): Ar[ij|k] += Ar[i|k] * Br[j|k] % mod
return ior_mobius_ranked(Ar, N, M, Z)
def subset_conv(A: list[int], B: list[int], N: int, mod: int) -> list[int]:
Z = (N+1)*(M:=1<<N)
Ar, Br, C, P = [0]*Z, [0]*Z, [0]*M, popcnts(N)
for i, p in enumerate(P): Ar[p<<N|i], Br[p<<N|i] = A[i], B[i]
isubset_conv_ranked(Ar, Br, N, M, Z, mod)
for i, p in enumerate(P): C[i] = Ar[p<<N|i] % mod
return C
def sps_pow_proj(A, B, M, mod):
N = len(B).bit_length() - 1
assert B[0] == 0, "B[0] must be 0 for sps_pow_proj"
Aview, Bview, P = view(A := A[::-1]), view(B), []
for i in range(N + 1):
P.append(A[(1<<N)-1]); A[(1<<N)-1] = 0
for m in range(N - i):
i0 = (1<<N)-(1<<(m+1)); i1 = 1 << m; i2 = (1<<N)-(1<<m)
Aview.set_range(i0, i0+(1<<m)); Bview.set_range(i1, i1+(1<<m))
R = subset_conv(Aview, Bview, m, mod)
for h in range(1 << m): A[i2+h], A[i0+h] = (A[i2+h]+R[h])%mod, 0
return P[:M]
def sps_pow_proj_poly(A, B, M, mod):
N = len(B).bit_length()-1; b = B[0]; B[0] = 0
P, F, H = sps_pow_proj(A, B, N + 1, mod), [], [0]*(N+1); H[0] = 1
for i in range(M):
v = 0
for j in range(N + 1):
if j < len(P): v = (v+H[j]*P[j])%mod
F.append(v)
for j in range(N-1, -1, -1): H[j+1]=H[j]*(i+1)%mod
H[0]=H[0]*b%mod
return F
from os import read as os_read, write as os_write, fstat as os_fstat
from __pypy__.builders import StringBuilder
class IOBase:
@property
def char(io) -> bool: ...
@property
def writable(io) -> bool: ...
def __next__(io) -> str: ...
def write(io, s: str) -> None: ...
def readline(io) -> str: ...
def readtoken(io) -> str: ...
def readtokens(io) -> list[str]: ...
def readints(io) -> list[int]: ...
def readdigits(io) -> list[int]: ...
def readnums(io) -> list[int]: ...
def readchar(io) -> str: ...
def readchars(io) -> str: ...
def readinto(io, lst: list[str]) -> list[str]: ...
def readcharsinto(io, lst: list[str]) -> list[str]: ...
def readtokensinto(io, lst: list[str]) -> list[str]: ...
def readintsinto(io, lst: list[int]) -> list[int]: ...
def readdigitsinto(io, lst: list[int]) -> list[int]: ...
def readnumsinto(io, lst: list[int]) -> list[int]: ...
def wait(io): ...
def flush(io) -> None: ...
def line(io) -> list[str]: ...
class IO(IOBase):
BUFSIZE = 1 << 16; stdin: 'IO'; stdout: 'IO'
__slots__ = 'f', 'file', 'B', 'O', 'V', 'S', 'l', 'p', 'char', 'sz', 'st', 'ist', 'writable', 'encoding', 'errors'
def __init__(io, file):
io.file = file
try: io.f = file.fileno(); io.sz, io.writable = max2(io.BUFSIZE, os_fstat(io.f).st_size), ('x' in file.mode or 'r' not in file.mode)
except: io.f, io.sz, io.writable = -1, io.BUFSIZE, False
io.B, io.O, io.S = bytearray(), [], StringBuilder(); io.V = memoryview(io.B); io.l = io.p = 0
io.char, io.st, io.ist, io.encoding, io.errors = False, [], [], 'ascii', 'ignore'
def _dec(io, l, r): return io.V[l:r].tobytes().decode(io.encoding, io.errors)
def readbytes(io, sz): return os_read(io.f, sz)
def load(io):
while io.l >= len(io.O):
if not (b := io.readbytes(io.sz)):
if io.O[-1] < len(io.B): io.O.append(len(io.B))
break
pos = len(io.B); io.B.extend(b)
while ~(pos := io.B.find(b'\n', pos)): io.O.append(pos := pos+1)
def __next__(io):
if io.char: return io.readchar()
else: return io.readtoken()
def readchar(io):
io.load(); r = io.O[io.l]
c = chr(io.B[io.p])
if io.p >= r-1: io.p = r; io.l += 1
else: io.p += 1
return c
def write(io, s: str): io.S.append(s)
def readline(io): io.load(); l, io.p = io.p, io.O[io.l]; io.l += 1; return io._dec(l, io.p)
def readtoken(io):
io.load(); r = io.O[io.l]
if ~(p := io.B.find(b' ', io.p, r)): s = io._dec(io.p, p); io.p = p+1
else: s = io._dec(io.p, r-1); io.p = r; io.l += 1
return s
def readtokens(io): io.st.clear(); return io.readtokensinto(io.st)
def readints(io): io.ist.clear(); return io.readintsinto(io.ist)
def readdigits(io): io.ist.clear(); return io.readdigitsinto(io.ist)
def readnums(io): io.ist.clear(); return io.readnumsinto(io.ist)
def readchars(io): io.load(); l, io.p = io.p, io.O[io.l]; io.l += 1; return io._dec(l, io.p-1)
def readinto(io, lst):
if io.char: return io.readcharsinto(lst)
else: return io.readtokensinto(lst)
def readcharsinto(io, lst): lst.extend(io.readchars()); return lst
def readtokensinto(io, lst):
io.load(); r = io.O[io.l]
while ~(p := io.B.find(b' ', io.p, r)): lst.append(io._dec(io.p, p)); io.p = p+1
lst.append(io._dec(io.p, r-1)); io.p = r; io.l += 1; return lst
def _readint(io, r):
while io.p < r and io.B[io.p] <= 32: io.p += 1
if io.p >= r: return None
minus = x = 0
if io.B[io.p] == 45: minus = 1; io.p += 1
while io.p < r and io.B[io.p] >= 48: x = x * 10 + (io.B[io.p] & 15); io.p += 1
io.p += 1
return -x if minus else x
def readintsinto(io, lst):
io.load(); r = io.O[io.l]
while io.p < r and (x := io._readint(r)) is not None: lst.append(x)
io.l += 1; return lst
def _readdigit(io): d = io.B[io.p] & 15; io.p += 1; return d
def readdigitsinto(io, lst):
io.load(); r = io.O[io.l]
while io.p < r and io.B[io.p] > 32: lst.append(io._readdigit())
if io.B[io.p] == 10: io.l += 1
io.p += 1
return lst
def readnumsinto(io, lst):
if io.char: return io.readdigitsinto(lst)
else: return io.readintsinto(lst)
def line(io): io.st.clear(); return io.readinto(io.st)
def wait(io):
io.load(); r = io.O[io.l]
while io.p < r: yield
def flush(io):
if io.writable: os_write(io.f, io.S.build().encode(io.encoding, io.errors)); io.S = StringBuilder()
sys.stdin = IO.stdin = IO(sys.stdin); sys.stdout = IO.stdout = IO(sys.stdout)
def rd(): return IO.stdin.readints()
def rds(): return IO.stdin.__next__()
def rdl(n): return IO.stdin.readintsinto(elist(n))
def wt(s): IO.stdout.write(s)
def wtn(s): IO.stdout.write(f'{s}\n')
def wtnl(l): IO.stdout.write(' '.join(map(str, l)))
def elist(hint: int) -> list: ...
try:
from __pypy__ import newlist_hint
except:
def newlist_hint(hint): return []
elist = newlist_hint
main()