結果

問題 No.3175 転移迷宮 (Easy)
コンテスト
ユーザー lif4635
提出日時 2025-06-06 22:38:49
言語 PyPy3
(7.3.15)
結果
AC  
実行時間 1,642 ms / 3,000 ms
コード長 7,692 bytes
コンパイル時間 583 ms
コンパイル使用メモリ 82,320 KB
実行使用メモリ 82,032 KB
最終ジャッジ日時 2025-06-06 22:39:42
合計ジャッジ時間 44,558 ms
ジャッジサーバーID
（参考情報） 		judge2 / judge3
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 2
other AC * 44
権限があれば一括ダウンロードができます

ソースコード

diff # 

# input
import sys
input = sys.stdin.readline
II = lambda : int(input())
MI = lambda : map(int, input().split())
LI = lambda : [int(a) for a in input().split()]
SI = lambda : input().rstrip()
LLI = lambda n : [[int(a) for a in input().split()] for _ in range(n)]
LSI = lambda n : [input().rstrip() for _ in range(n)]
MI_1 = lambda : map(lambda x:int(x)-1, input().split())
LI_1 = lambda : [int(a)-1 for a in input().split()]

def graph(n:int, m:int, dir:bool=False, index:int=-1) -> list[set[int]]:
    edge = [set() for i in range(n+1+index)]
    for _ in range(m):
        a,b = map(int, input().split())
        a += index
        b += index
        edge[a].add(b)
        if not dir:
            edge[b].add(a)
    return edge

def graph_w(n:int, m:int, dir:bool=False, index:int=-1) -> list[set[tuple]]:
    edge = [set() for i in range(n+1+index)]
    for _ in range(m):
        a,b,c = map(int, input().split())
        a += index
        b += index
        edge[a].add((b,c))
        if not dir:
            edge[b].add((a,c))
    return edge

mod = 998244353
inf = 1001001001001001001
ordalp = lambda s : ord(s)-65 if s.isupper() else ord(s)-97
ordallalp = lambda s : ord(s)-39 if s.isupper() else ord(s)-97
yes = lambda : print("Yes")
no = lambda : print("No")
yn = lambda flag : print("Yes" if flag else "No")
def acc(a:list[int]):
    sa = [0]*(len(a)+1)
    for i in range(len(a)):
        sa[i+1] = a[i] + sa[i]
    return sa

prinf = lambda ans : print(ans if ans < 1000001001001001001 else -1)
alplow = "abcdefghijklmnopqrstuvwxyz"
alpup = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
alpall = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
URDL = {'U':(-1,0), 'R':(0,1), 'D':(1,0), 'L':(0,-1)}
DIR_4 = [[-1,0],[0,1],[1,0],[0,-1]]
DIR_8 = [[-1,0],[-1,1],[0,1],[1,1],[1,0],[1,-1],[0,-1],[-1,-1]]
DIR_BISHOP = [[-1,1],[1,1],[1,-1],[-1,-1]]
prime60 = [2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59]
sys.set_int_max_str_digits(0)
sys.setrecursionlimit(10**6)
# import pypyjit
# pypyjit.set_param('max_unroll_recursion=-1')

from collections import defaultdict,deque
from heapq import heappop,heappush
from bisect import bisect_left,bisect_right
DD = defaultdict
BSL = bisect_left
BSR = bisect_right

# input
import sys
input = sys.stdin.readline
II = lambda : int(input())
MI = lambda : map(int, input().split())
LI = lambda : [int(a) for a in input().split()]
SI = lambda : input().rstrip()
LLI = lambda n : [[int(a) for a in input().split()] for _ in range(n)]
LSI = lambda n : [input().rstrip() for _ in range(n)]
MI_1 = lambda : map(lambda x:int(x)-1, input().split())
LI_1 = lambda : [int(a)-1 for a in input().split()]

def graph(n:int, m:int, dir:bool=False, index:int=-1) -> list[set[int]]:
    edge = [set() for i in range(n+1+index)]
    for _ in range(m):
        a,b = map(int, input().split())
        a += index
        b += index
        edge[a].add(b)
        if not dir:
            edge[b].add(a)
    return edge

def graph_w(n:int, m:int, dir:bool=False, index:int=-1) -> list[set[tuple]]:
    edge = [set() for i in range(n+1+index)]
    for _ in range(m):
        a,b,c = map(int, input().split())
        a += index
        b += index
        edge[a].add((b,c))
        if not dir:
            edge[b].add((a,c))
    return edge

mod = 998244353
inf = 1001001001001001001
ordalp = lambda s : ord(s)-65 if s.isupper() else ord(s)-97
ordallalp = lambda s : ord(s)-39 if s.isupper() else ord(s)-97
yes = lambda : print("Yes")
no = lambda : print("No")
yn = lambda flag : print("Yes" if flag else "No")
def acc(a:list[int]):
    sa = [0]*(len(a)+1)
    for i in range(len(a)):
        sa[i+1] = a[i] + sa[i]
    return sa

prinf = lambda ans : print(ans if ans < 1000001001001001001 else -1)
alplow = "abcdefghijklmnopqrstuvwxyz"
alpup = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
alpall = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
URDL = {'U':(-1,0), 'R':(0,1), 'D':(1,0), 'L':(0,-1)}
DIR_4 = [[-1,0],[0,1],[1,0],[0,-1]]
DIR_8 = [[-1,0],[-1,1],[0,1],[1,1],[1,0],[1,-1],[0,-1],[-1,-1]]
DIR_BISHOP = [[-1,1],[1,1],[1,-1],[-1,-1]]
prime60 = [2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59]
sys.set_int_max_str_digits(0)
sys.setrecursionlimit(10**6)
# import pypyjit
# pypyjit.set_param('max_unroll_recursion=-1')

from collections import defaultdict,deque
from heapq import heappop,heappush
from bisect import bisect_left,bisect_right
DD = defaultdict
BSL = bisect_left
BSR = bisect_right


def GaussJordan_mod(a, mod, is_extended = False):
    """
    in-plece 掃き出し
    行列の慣習に合わせて、n, m が逆転しています
    """
    n, m = len(a[0]), len(a)
    
    for i in range(m):
        for j in range(n):
            a[i][j] %= mod
    
    rank = 0
    for col in range(n - is_extended):
        for row in range(rank, m):
            if a[row][col] != 0:
                pivot = row
                break
        else:
            continue
        
        a[pivot], a[rank] = a[rank], a[pivot]
        
        inv = pow(a[rank][col], mod-2, mod)
        for i in range(n):
            if a[rank][i] != 0:
                a[rank][i] = a[rank][i] * inv % mod
        
        for row in range(m):
            if row != rank and a[row][col] != 0:
                coef = a[row][col]
                for i in range(n):
                    a[row][i] -= a[rank][i] * coef % mod
                    if a[row][i] < 0: a[row][i] += mod
        
        rank += 1
    return rank

def GaussJordan_xor(n, a, is_extended = False):
    """
    in-plece bit列での掃き出し
    n = 列数
    """
    m = len(a)
    rank = 0
    for col in reversed(range(is_extended, n)):
        for row in range(rank, m):
            if a[row] >> col & 1:
                pivot = row
                break
        else:
            continue
        a[pivot], a[rank] = a[rank], a[pivot]
        for row in range(m):
            if row != rank and a[row] >> col & 1:
                a[row] ^= a[rank]
        rank += 1
    return rank


from copy import deepcopy

def linear_equation(a, b, mod = None):
    """
    連立一次方程式を解く
    """
    assert len(a) == len(b)
    
    if mod == 2:
        # m, n = len(a), len(a[0])
        # mat = b.copy()
        # for i in range(m):
        #     for j in range(n):
        #         if a[i][j]:
        #             mat[i] += 1 << j + 1
        
        # rank = GaussJordan_xor(n+1, mat, True)
        
        # for row in range(rank, m):
        #     if mat[row] & 1: return None, None
        
        
        
        # comp = []
        # part = []
        
        # row = 0
        # for col in range(n):
        #     if mat[row][col] == 
        
        
        return comp, part
    else:
        m, n = len(a), len(a[0])
        mat = deepcopy(a)
        for i in range(m):
            mat[i].append(b[i])
            
        rank = GaussJordan_mod(mat, mod, True)
        # print(mat, rank)
        for row in range(rank, m):
            if mat[row][n]:
                return None, None
        part = [mat[i][n] for i in range(rank)]
        comp = mat[:rank]
        for i in range(rank):
            comp[i].pop()
        return comp, part


def solve():
    n, k  = MI()
    a = [[0]*n for i in range(n)]
    for i in range(n):
        for j in range(i - k, i + k + 1):
            if j < 0 or n <= j: continue
            if i == j:
                a[i][j] = - 2 * k
            else:
                a[i][j] = 1
    # print(a)
    # b = [0] * n
    b = [( - (2 * k + 1)) % mod] * n

    comp, part = linear_equation(a, b, mod)
    # if comp == None:
        # no()
        # exit()
    print(*part)

# for i in range(n):
    

ans = [0]

t = II()
for i in range(t):
    solve()
0