結果

問題 No.506 限られたジャパリまん
ユーザー lam6er
提出日時 2025-03-20 21:18:03
言語 PyPy3
(7.3.15)
結果
WA  
実行時間 -
コード長 1,370 bytes
コンパイル時間 321 ms
コンパイル使用メモリ 82,600 KB
実行使用メモリ 78,232 KB
最終ジャッジ日時 2025-03-20 21:19:27
合計ジャッジ時間 13,346 ms
ジャッジサーバーID
(参考情報)
judge1 / judge2
このコードへのチャレンジ
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ファイルパターン 結果
other AC * 12 WA * 13
権限があれば一括ダウンロードができます

ソースコード

diff #
プレゼンテーションモードにする

H, W, K, P = map(int, input().split())
friends = []
grid_map = {}
for i in range(K):
x, y, name = input().split()
x = int(x)
y = int(y)
friends.append((x, y, name))
grid_map[(x, y)] = i # Maps coordinate to friend index
MOD = 10**9 + 7
max_count = -1
best_mask = 0
for mask in range(0, 1 << K):
selected = bin(mask).count('1')
if selected > P:
continue
dp = [[0] * (W + 1) for _ in range(H + 1)]
dp[0][0] = 1 # Starting point
for x in range(H + 1):
for y in range(W + 1):
if x == 0 and y == 0:
continue
blocked = False
if (x, y) in grid_map:
idx = grid_map[(x, y)]
if not (mask & (1 << idx)):
blocked = True
if blocked:
dp[x][y] = 0
else:
total = 0
if x > 0:
total += dp[x-1][y]
if y > 0:
total += dp[x][y-1]
dp[x][y] = total % MOD
current_count = dp[H][W]
if current_count > max_count:
max_count = current_count
best_mask = mask
if max_count <= 0:
print(0)
else:
print(max_count % MOD)
selected_names = [friends[i][2] for i in range(K) if (best_mask & (1 << i))]
for name in selected_names:
print(name)
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