cp-library

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View the Project on GitHub kobejean/cp-library

:heavy_check_mark: cp_library/ds/view/csr6_cls.py

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Code

import cp_library.__header__
from typing import Generic
from cp_library.misc.typing import _T1, _T2, _T3, _T4, _T5, _T6
import cp_library.ds.__header__
import cp_library.ds.view.__header__
from cp_library.ds.view.view6_cls import view6

class CSR6(Generic[_T1, _T2, _T3, _T4, _T5, _T6]):
    __slots__ = 'A1', 'A2', 'A3', 'A4', 'A5', 'A6', 'O'
    def __init__(csr, A1: list[_T1], A2: list[_T2], A3: list[_T3], A4: list[_T4], A5: list[_T5], A6: list[_T6], O: list[int]): 
        csr.A1, csr.A2, csr.A3, csr.A4, csr.A5, csr.A6, csr.O = A1, A2, A3, A4, A5, A6, O
    def __len__(csr): return len(csr.O)-1
    def __getitem__(csr, i: int): return view6(csr.A1, csr.A2, csr.A3, csr.A4, csr.A5, csr.A6, csr.O[i], csr.O[i+1])
    def __call__(csr, i: int, j: int): ij = csr.O[i]+j; return csr.A1[ij], csr.A2[ij], csr.A3[ij], csr.A4[ij], csr.A5[ij], csr.A6[ij]
    def set(csr, i: int, j: int, v: tuple[_T1, _T2, _T3, _T4, _T5, _T6]): ij = csr.O[i]+j; csr.A1[ij], csr.A2[ij], csr.A3[ij], csr.A4[ij], csr.A5[ij], csr.A6[ij] = v
    @classmethod
    def bucketize(cls, N: int, K: list[int], V1: list[_T1], V2: list[_T2], V3: list[_T3], V4: list[_T4], V5: list[_T5], V6: list[_T6]):
        A1: list[_T1] = [0]*len(K); A2: list[_T2] = [0]*len(K); A3: list[_T3] = [0]*len(K); A4: list[_T4] = [0]*len(K); A5: list[_T5] = [0]*len(K); A6: list[_T6] = [0]*len(K); O = [0]*(N+1)
        for k in K: O[k] += 1
        for i in range(N): O[i+1] += O[i]
        for e in range(len(K)): k = K[~e]; O[k] -= 1; A1[O[k]] = V1[~e]; A2[O[k]] = V2[~e]; A3[O[k]] = V3[~e]; A4[O[k]] = V4[~e]; A5[O[k]] = V5[~e]; A6[O[k]] = V6[~e]
        return cls(A1, A2, A3, A4, A5, A6, O)
'''
╺━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━╸
             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')






def argsort_ranged(A: list[int], l: int, r: int, reverse=False):
    P = Packer(r-l-1); I = [A[l+i] for i in range(r-l)]; P.ienumerate(I, reverse); I.sort()
    for i in range(r-l): I[i] = (I[i] & P.m) + l
    return I



class Packer:
    __slots__ = 's', 'm'
    def __init__(P, mx: int): P.s = mx.bit_length(); P.m = (1 << P.s) - 1
    def enc(P, a: int, b: int): return a << P.s | b
    def dec(P, x: int) -> tuple[int, int]: return x >> P.s, x & P.m
    def enumerate(P, A, reverse=False): P.ienumerate(A:=list(A), reverse); return A
    def ienumerate(P, A, reverse=False):
        if reverse:
            for i,a in enumerate(A): A[i] = P.enc(-a, i)
        else:
            for i,a in enumerate(A): A[i] = P.enc(a, i)
    def indices(P, A: list[int]): P.iindices(A:=list(A)); return A
    def iindices(P, A):
        for i,a in enumerate(A): A[i] = P.m&a


def isort_ranged(*L: list, l: int, r: int, reverse=False):
    n = r - l
    order = argsort_ranged(L[0], l, r, reverse=reverse)
    inv = [0] * n
    # order contains indices in range [l, r), need to map to [0, n)
    for i in range(n): inv[order[i]-l] = i
    for i in range(n):
        j = order[i] - l  # j is in range [0, n)
        for A in L: A[l+i], A[l+j] = A[l+j], A[l+i]
        order[inv[i]], order[inv[j]] = order[inv[j]], order[inv[i]]
        inv[i], inv[j] = inv[j], inv[i]
    return L

class view6(Generic[_T1, _T2, _T3, _T4, _T5, _T6]):
    __slots__ = 'A1', 'A2', 'A3', 'A4', 'A5', 'A6', 'l', 'r'
    def __init__(V, A1: list[_T1], A2: list[_T2], A3: list[_T3], A4: list[_T4], A5: list[_T5], A6: list[_T6], l: int = 0, r: int = 0): 
        V.A1, V.A2, V.A3, V.A4, V.A5, V.A6, V.l, V.r = A1, A2, A3, A4, A5, A6, l, r
    def __len__(V): return V.r - V.l
    def __getitem__(V, i: int): 
        if 0 <= i < V.r - V.l: return V.A1[V.l+i], V.A2[V.l+i], V.A3[V.l+i], V.A4[V.l+i], V.A5[V.l+i], V.A6[V.l+i]
        else: raise IndexError
    def __setitem__(V, i: int, v: tuple[_T1, _T2, _T3, _T4, _T5, _T6]): V.A1[V.l+i], V.A2[V.l+i], V.A3[V.l+i], V.A4[V.l+i], V.A5[V.l+i], V.A6[V.l+i] = v
    def __contains__(V, v: tuple[_T1, _T2, _T3, _T4, _T5, _T6]): raise NotImplemented
    def set_range(V, l: int, r: int): V.l, V.r = l, r
    def index(V, v: tuple[_T1, _T2, _T3, _T4, _T5, _T6]): raise NotImplemented
    def reverse(V):
        l, r = V.l, V.r-1
        while l < r: 
            V.A1[l], V.A1[r] = V.A1[r], V.A1[l]
            V.A2[l], V.A2[r] = V.A2[r], V.A2[l]
            V.A3[l], V.A3[r] = V.A3[r], V.A3[l]
            V.A4[l], V.A4[r] = V.A4[r], V.A4[l]
            V.A5[l], V.A5[r] = V.A5[r], V.A5[l]
            V.A6[l], V.A6[r] = V.A6[r], V.A6[l]
            l += 1; r -= 1
    def sort(V, reverse=False): isort_ranged(V.A1, V.A2, V.A3, V.A4, V.A5, V.A6, l=V.l, r=V.r, reverse=reverse)
    def pop(V): V.r -= 1; return V.A1[V.r], V.A2[V.r], V.A3[V.r], V.A4[V.r], V.A5[V.r], V.A6[V.r]
    def append(V, v: tuple[_T1, _T2, _T3, _T4, _T5, _T6]): V.A1[V.r], V.A2[V.r], V.A3[V.r], V.A4[V.r], V.A5[V.r], V.A6[V.r] = v; V.r += 1
    def popleft(V): V.l += 1; return V.A1[V.l-1], V.A2[V.l-1], V.A3[V.l-1], V.A4[V.l-1], V.A5[V.l-1], V.A6[V.l-1]
    def appendleft(V, v: tuple[_T1, _T2, _T3, _T4, _T5, _T6]): V.l -= 1; V.A1[V.l], V.A2[V.l], V.A3[V.l], V.A4[V.l], V.A5[V.l], V.A6[V.l] = v
    def validate(V): return 0 <= V.l <= V.r <= len(V.A1)

class CSR6(Generic[_T1, _T2, _T3, _T4, _T5, _T6]):
    __slots__ = 'A1', 'A2', 'A3', 'A4', 'A5', 'A6', 'O'
    def __init__(csr, A1: list[_T1], A2: list[_T2], A3: list[_T3], A4: list[_T4], A5: list[_T5], A6: list[_T6], O: list[int]): 
        csr.A1, csr.A2, csr.A3, csr.A4, csr.A5, csr.A6, csr.O = A1, A2, A3, A4, A5, A6, O
    def __len__(csr): return len(csr.O)-1
    def __getitem__(csr, i: int): return view6(csr.A1, csr.A2, csr.A3, csr.A4, csr.A5, csr.A6, csr.O[i], csr.O[i+1])
    def __call__(csr, i: int, j: int): ij = csr.O[i]+j; return csr.A1[ij], csr.A2[ij], csr.A3[ij], csr.A4[ij], csr.A5[ij], csr.A6[ij]
    def set(csr, i: int, j: int, v: tuple[_T1, _T2, _T3, _T4, _T5, _T6]): ij = csr.O[i]+j; csr.A1[ij], csr.A2[ij], csr.A3[ij], csr.A4[ij], csr.A5[ij], csr.A6[ij] = v
    @classmethod
    def bucketize(cls, N: int, K: list[int], V1: list[_T1], V2: list[_T2], V3: list[_T3], V4: list[_T4], V5: list[_T5], V6: list[_T6]):
        A1: list[_T1] = [0]*len(K); A2: list[_T2] = [0]*len(K); A3: list[_T3] = [0]*len(K); A4: list[_T4] = [0]*len(K); A5: list[_T5] = [0]*len(K); A6: list[_T6] = [0]*len(K); O = [0]*(N+1)
        for k in K: O[k] += 1
        for i in range(N): O[i+1] += O[i]
        for e in range(len(K)): k = K[~e]; O[k] -= 1; A1[O[k]] = V1[~e]; A2[O[k]] = V2[~e]; A3[O[k]] = V3[~e]; A4[O[k]] = V4[~e]; A5[O[k]] = V5[~e]; A6[O[k]] = V6[~e]
        return cls(A1, A2, A3, A4, A5, A6, O)
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