結果
| 問題 |
No.506 限られたジャパリまん
|
| コンテスト | |
| ユーザー |
gew1fw
|
| 提出日時 | 2025-06-12 20:27:44 |
| 言語 | PyPy3 (7.3.15) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 1,497 bytes |
| コンパイル時間 | 342 ms |
| コンパイル使用メモリ | 82,560 KB |
| 実行使用メモリ | 78,288 KB |
| 最終ジャッジ日時 | 2025-06-12 20:28:14 |
| 合計ジャッジ時間 | 12,975 ms |
|
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
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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 = 0
for mask in range(0, 1 << K):
cnt = bin(mask).count('1')
if cnt > P:
continue
blocked = set()
for i in range(K):
if not (mask & (1 << i)):
x, y, _ = friends[i]
blocked.add((x, y))
dp = [[0] * (W + 1) for _ in range(H + 1)]
if (0, 0) not in blocked:
dp[0][0] = 1
for x in range(H + 1):
for y in range(W + 1):
if x == 0 and y == 0:
continue
if (x, y) in blocked:
dp[x][y] = 0
continue
total = 0
if x > 0:
total += dp[x-1][y]
if y > 0:
total += dp[x][y-1]
dp[x][y] = total % MOD
current = dp[H][W]
if current > max_count:
max_count = current
best_mask = mask
elif current == max_count and current != 0:
current_included = [i for i in range(K) if (mask & (1 << i))]
best_included = [i for i in range(K) if (best_mask & (1 << i))]
if current_included < best_included:
best_mask = mask
if max_count == 0:
print(0)
else:
print(max_count % MOD)
included_names = [friends[i][2] for i in range(K) if (best_mask & (1 << i))]
for name in included_names:
print(name)
gew1fw