結果
問題 |
No.1349 Subset Product Queries
|
ユーザー |
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提出日時 | 2025-06-12 18:22:04 |
言語 | PyPy3 (7.3.15) |
結果 |
WA
|
実行時間 | - |
コード長 | 1,873 bytes |
コンパイル時間 | 182 ms |
コンパイル使用メモリ | 82,512 KB |
実行使用メモリ | 325,468 KB |
最終ジャッジ日時 | 2025-06-12 18:22:26 |
合計ジャッジ時間 | 4,816 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 1 |
other | AC * 8 WA * 2 TLE * 1 -- * 19 |
ソースコード
import sys def main(): input = sys.stdin.read().split() ptr = 0 N = int(input[ptr]) ptr += 1 Q = int(input[ptr]) ptr += 1 P = int(input[ptr]) ptr += 1 A = list(map(int, input[ptr:ptr+N])) ptr += N # Precompute prefix_zeros prefix_zeros = [0] * (N + 1) for i in range(N): prefix_zeros[i+1] = prefix_zeros[i] + (1 if A[i] == 0 else 0) # Precompute trans[a][x] = (x * a) % P for all a and x trans = [] for a in range(P): t = [] for x in range(P): t.append((x * a) % P) trans.append(t) # Process each query for _ in range(Q): L = int(input[ptr]) ptr += 1 R = int(input[ptr]) ptr += 1 K = int(input[ptr]) ptr += 1 if K == 0: zeros = prefix_zeros[R] - prefix_zeros[L-1] print("Yes" if zeros > 0 else "No") else: # Check non-zero elements in [L, R] mask = 0 found = False for i in range(L-1, R): a = A[i] if a == 0: continue a_mod = a % P if a_mod == 0: continue # since K is non-zero, but a_mod is zero, but this is already handled. product_mask = 0 temp_mask = mask x = 0 while temp_mask != 0 and x < P: if temp_mask & 1: product_mask |= 1 << trans[a_mod][x] temp_mask >>= 1 x += 1 new_mask = mask | product_mask | (1 << a_mod) if (new_mask & (1 << K)) != 0: found = True break mask = new_mask print("Yes" if found else "No") if __name__ == "__main__": main()