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 |
lam6er
|
| 提出日時 | 2025-04-15 23:34:22 |
| 言語 | PyPy3 (7.3.15) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 1,595 bytes |
| コンパイル時間 | 217 ms |
| コンパイル使用メモリ | 82,268 KB |
| 実行使用メモリ | 76,776 KB |
| 最終ジャッジ日時 | 2025-04-15 23:35:20 |
| 合計ジャッジ時間 | 5,367 ms |
|
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| other | AC * 12 WA * 13 |
ソースコード
H, W, K, P = map(int, input().split())
friends = []
friend_index = [[-1 for _ in range(W+1)] for _ in range(H+1)]
for idx in range(K):
x, y, name = input().split()
x = int(x)
y = int(y)
friends.append((x, y, name))
friend_index[x][y] = idx
MOD = 10**9 + 7
max_count = 0
best_mask = 0
for mask in range(0, 1 << K):
bits = bin(mask).count('1')
if bits > P:
continue
previous_row = [0] * (W + 1)
previous_row[0] = 1 # Starting point (0,0)
for i in range(H + 1):
current_row = [0] * (W + 1)
for j in range(W + 1):
if i == 0 and j == 0:
current_row[j] = 1
continue
# Check if current cell is blocked
fi = friend_index[i][j]
if fi != -1 and not (mask & (1 << fi)):
current_row[j] = 0
continue
total = 0
if i > 0:
total += previous_row[j]
if j > 0:
total += current_row[j - 1]
current_row[j] = total % MOD
previous_row = current_row
current_count = previous_row[W]
if current_count > max_count:
max_count = current_count
best_mask = mask
elif current_count == max_count and mask < best_mask:
best_mask = mask
if max_count == 0:
print(0)
else:
selected = []
for idx in range(K):
if best_mask & (1 << idx):
selected.append(friends[idx][2])
print(max_count % MOD)
for name in selected:
print(name)
lam6er