結果
問題 | No.2344 (l+r)^2 |
ユーザー | 👑 rin204 |
提出日時 | 2024-01-02 21:19:55 |
言語 | PyPy3 (7.3.15) |
結果 |
AC
|
実行時間 | 555 ms / 2,000 ms |
コード長 | 5,965 bytes |
コンパイル時間 | 331 ms |
コンパイル使用メモリ | 82,328 KB |
実行使用メモリ | 120,288 KB |
最終ジャッジ日時 | 2024-09-27 17:53:40 |
合計ジャッジ時間 | 4,110 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge5 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 35 ms
52,764 KB |
testcase_01 | AC | 555 ms
77,188 KB |
testcase_02 | AC | 222 ms
78,500 KB |
testcase_03 | AC | 227 ms
78,072 KB |
testcase_04 | AC | 222 ms
78,488 KB |
testcase_05 | AC | 228 ms
78,872 KB |
testcase_06 | AC | 224 ms
78,432 KB |
testcase_07 | AC | 138 ms
97,480 KB |
testcase_08 | AC | 139 ms
99,256 KB |
testcase_09 | AC | 133 ms
94,680 KB |
testcase_10 | AC | 138 ms
95,016 KB |
testcase_11 | AC | 103 ms
86,312 KB |
testcase_12 | AC | 229 ms
120,288 KB |
ソースコード
class NTT998: # fmt: off rate2=(0, 911660635, 509520358, 369330050, 332049552, 983190778, 123842337, 238493703, 975955924, 603855026, 856644456, 131300601, 842657263, 730768835, 942482514, 806263778, 151565301, 510815449, 503497456, 743006876, 741047443, 56250497, 867605899, 0) irate2=(0, 86583718, 372528824, 373294451, 645684063, 112220581, 692852209, 155456985, 797128860, 90816748, 860285882, 927414960, 354738543, 109331171, 293255632, 535113200, 308540755, 121186627, 608385704, 438932459, 359477183, 824071951, 103369235, 0) rate3=(0, 372528824, 337190230, 454590761, 816400692, 578227951, 180142363, 83780245, 6597683, 70046822, 623238099, 183021267, 402682409, 631680428, 344509872, 689220186, 365017329, 774342554, 729444058, 102986190, 128751033, 395565204, 0) irate3=(0, 509520358, 929031873, 170256584, 839780419, 282974284, 395914482, 444904435, 72135471, 638914820, 66769500, 771127074, 985925487, 262319669, 262341272, 625870173, 768022760, 859816005, 914661783, 430819711, 272774365, 530924681, 0) # fmt: on def butterfly(A): n = len(A) h = (n - 1).bit_length() le = 0 while le < h: if h - le == 1: p = 1 << (h - le - 1) rot = 1 for s in range(1 << le): offset = s << (h - le) for i in range(p): l = A[i + offset] r = A[i + offset + p] * rot A[i + offset] = (l + r) % 998244353 A[i + offset + p] = (l - r) % 998244353 rot *= NTT998.rate2[(~s & -~s).bit_length()] rot %= 998244353 le += 1 else: p = 1 << (h - le - 2) rot = 1 for s in range(1 << le): rot2 = rot * rot % 998244353 rot3 = rot2 * rot % 998244353 offset = s << (h - le) for i in range(p): a0 = A[i + offset] a1 = A[i + offset + p] * rot a2 = A[i + offset + p * 2] * rot2 a3 = A[i + offset + p * 3] * rot3 a1na3imag = (a1 - a3) % 998244353 * 911660635 A[i + offset] = (a0 + a2 + a1 + a3) % 998244353 A[i + offset + p] = (a0 + a2 - a1 - a3) % 998244353 A[i + offset + p * 2] = (a0 - a2 + a1na3imag) % 998244353 A[i + offset + p * 3] = (a0 - a2 - a1na3imag) % 998244353 rot *= NTT998.rate3[(~s & -~s).bit_length()] rot %= 998244353 le += 2 def butterfly_inv(A): n = len(A) h = (n - 1).bit_length() le = h while le: if le == 1: p = 1 << (h - le) irot = 1 for s in range(1 << (le - 1)): offset = s << (h - le + 1) for i in range(p): l = A[i + offset] r = A[i + offset + p] A[i + offset] = (l + r) % 998244353 A[i + offset + p] = (l - r) * irot % 998244353 irot *= NTT998.irate2[(~s & -~s).bit_length()] irot %= 998244353 le -= 1 else: p = 1 << (h - le) irot = 1 for s in range(1 << (le - 2)): irot2 = irot * irot % 998244353 irot3 = irot2 * irot % 998244353 offset = s << (h - le + 2) for i in range(p): a0 = A[i + offset] a1 = A[i + offset + p] a2 = A[i + offset + p * 2] a3 = A[i + offset + p * 3] a2na3iimag = (a2 - a3) * 86583718 % 998244353 A[i + offset] = (a0 + a1 + a2 + a3) % 998244353 A[i + offset + p] = (a0 - a1 + a2na3iimag) * irot % 998244353 A[i + offset + p * 2] = (a0 + a1 - a2 - a3) * irot2 % 998244353 A[i + offset + p * 3] = (a0 - a1 - a2na3iimag) * irot3 % 998244353 irot *= NTT998.irate3[(~s & -~s).bit_length()] irot %= 998244353 le -= 2 def multiply(A, B): n = len(A) m = len(B) if min(n, m) <= 60: C = [0] * (n + m - 1) for i in range(n): if i % 8 == 0: for j in range(m): C[i + j] += A[i] * B[j] C[i + j] %= 998244353 else: for j in range(m): C[i + j] += A[i] * B[j] return [c % 998244353 for c in C] A = A[:] B = B[:] z = 1 << (n + m - 2).bit_length() A += [0] * (z - n) B += [0] * (z - m) NTT998.butterfly(A) NTT998.butterfly(B) for i in range(z): A[i] *= B[i] A[i] %= 998244353 NTT998.butterfly_inv(A) A = A[: n + m - 1] iz = pow(z, 998244353 - 2, 998244353) return [a * iz % 998244353 for a in A] def solve(): n, m = map(int, input().split()) A = list(map(int, input().split())) if n > m: d = n - m B = [0] * (d + 1) for i in range(d + 1): if d & i == i: B[i] = 1 B = B[::-1] A = [a & 1 for a in A] res = NTT998.multiply(A, B) A = [a & 1 for a in res[len(B) - 1 : len(B) - 1 + m]] mask = (1 << m) - 1 while len(A) >= 2: for i in range(len(A) - 1): A[i] = (A[i] + A[i + 1]) ** 2 A[i] &= mask A.pop() print(A[0]) for _ in range(int(input())): solve()