結果
| 問題 |
No.1349 Subset Product Queries
|
| コンテスト | |
| ユーザー |
gew1fw
|
| 提出日時 | 2025-06-12 21:34:47 |
| 言語 | PyPy3 (7.3.15) |
| 結果 |
RE
|
| 実行時間 | - |
| コード長 | 2,206 bytes |
| コンパイル時間 | 271 ms |
| コンパイル使用メモリ | 81,908 KB |
| 実行使用メモリ | 142,700 KB |
| 最終ジャッジ日時 | 2025-06-12 21:36:46 |
| 合計ジャッジ時間 | 5,574 ms |
|
ジャッジサーバーID (参考情報) |
judge5 / judge1 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 1 |
| other | AC * 2 WA * 1 RE * 10 TLE * 1 -- * 16 |
ソースコード
import bisect
def main():
import sys
input = sys.stdin.read
data = input().split()
ptr = 0
N = int(data[ptr])
ptr += 1
Q = int(data[ptr])
ptr += 1
P = int(data[ptr])
ptr += 1
A = list(map(int, data[ptr:ptr+N]))
ptr += N
# Precompute prefix_zero
prefix_zero = [0] * (N + 1)
for i in range(1, N+1):
prefix_zero[i] = prefix_zero[i-1] + (1 if A[i-1] == 0 else 0)
# Precompute positions for each K
pos = [[] for _ in range(P)]
for idx, a in enumerate(A, 1):
pos[a % P].append(idx)
# Precompute A_mod for quick access
A_mod = [a % P for a in A]
for _ in range(Q):
L = int(data[ptr])
ptr += 1
R = int(data[ptr])
ptr += 1
K = int(data[ptr])
ptr += 1
if K == 0:
zeros = prefix_zero[R] - prefix_zero[L-1]
print("Yes" if zeros > 0 else "No")
continue
# Check if K is present in pos[K]
list_k = pos[K % P]
if list_k:
# Find the first index >= L and <= R
idx = bisect.bisect_left(list_k, L)
if idx < len(list_k) and list_k[idx] <= R:
print("Yes")
continue
# Now, perform subset product check
# Collect elements in L-1 to R-1 (0-based)
elements = []
for i in range(L-1, R):
a = A[i]
if a == 0:
continue
elements.append(a)
if not elements:
print("No")
continue
mask = 0
found = False
for a in elements:
mod_a = A_mod[a]
if mod_a == K % P:
found = True
break
temp = 0
for mod in range(P):
if (mask >> mod) & 1:
new_mod = (mod * mod_a) % P
temp |= (1 << new_mod)
temp |= (1 << mod_a)
mask |= temp
if (mask >> (K % P)) & 1:
found = True
break
print("Yes" if found else "No")
if __name__ == "__main__":
main()
gew1fw