結果
問題 |
No.506 限られたジャパリまん
|
ユーザー |
![]() |
提出日時 | 2025-03-31 17:31:57 |
言語 | PyPy3 (7.3.15) |
結果 |
WA
|
実行時間 | - |
コード長 | 1,636 bytes |
コンパイル時間 | 314 ms |
コンパイル使用メモリ | 82,652 KB |
実行使用メモリ | 77,976 KB |
最終ジャッジ日時 | 2025-03-31 17:33:04 |
合計ジャッジ時間 | 12,508 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge5 |
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ファイルパターン | 結果 |
---|---|
other | AC * 12 WA * 13 |
ソースコード
MOD = 10**9 + 7 H, W, K, P = map(int, input().split()) friends = [] for _ in range(K): x, y, name = input().split() friends.append((int(x), int(y), name)) max_count = 0 best_mask = None for mask in range(0, 1 << K): # Check if the number of set bits is <= P bit_count = bin(mask).count('1') if bit_count > P: continue # Generate blocked cells (friends not in this mask) blocked = set() for idx in range(K): if not (mask & (1 << idx)): xf, yf, _ = friends[idx] blocked.add((xf, yf)) # Initialize DP table dp = [[0] * (W + 1) for _ in range(H + 1)] dp[0][0] = 1 # Starting point for i in range(H + 1): for j in range(W + 1): if i == 0 and j == 0: continue # Already initialized if (i, j) in blocked: dp[i][j] = 0 continue top = dp[i-1][j] if i > 0 else 0 left = dp[i][j-1] if j > 0 else 0 dp[i][j] = (top + left) % MOD current_count = dp[H][W] if current_count > max_count: max_count = current_count best_mask = mask elif current_count == max_count and current_count != 0: # According to problem statement, there is a unique maximum # So this case won't occur for valid test cases pass if max_count == 0 or best_mask is None: print(0) else: print(max_count % MOD) # Collect the names in the order of input selected_names = [friends[idx][2] for idx in range(K) if (best_mask & (1 << idx))] for name in selected_names: print(name)