結果
| 問題 |
No.2178 Payable Magic Items
|
| コンテスト | |
| ユーザー |
lam6er
|
| 提出日時 | 2025-04-15 23:12:14 |
| 言語 | PyPy3 (7.3.15) |
| 結果 |
AC
|
| 実行時間 | 755 ms / 4,000 ms |
| コード長 | 1,470 bytes |
| コンパイル時間 | 532 ms |
| コンパイル使用メモリ | 82,632 KB |
| 実行使用メモリ | 116,496 KB |
| 最終ジャッジ日時 | 2025-04-15 23:14:49 |
| 合計ジャッジ時間 | 10,976 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 |
|---|---|
| sample | AC * 4 |
| other | AC * 23 |
ソースコード
import sys
import itertools
def components_to_index(components):
index = 0
for c in components:
index = index * 5 + c
return index
def main():
N, K = map(int, sys.stdin.readline().split())
tuples = []
max_index = 5 ** K
arr = [0] * max_index
for _ in range(N):
s = sys.stdin.readline().strip()
components = list(map(int, s))
index = components_to_index(components)
tuples.append(components)
arr[index] = 1
for d in range(K):
other_dims = [i for i in range(K) if i != d]
ranges = [range(5) for _ in range(K - 1)]
for other_values in itertools.product(*ranges):
components = [0] * K
idx = 0
for i in range(K):
if i == d:
continue
components[i] = other_values[idx]
idx += 1
for a_d in range(4, -1, -1):
components[d] = a_d
index = components_to_index(components)
if a_d < 4:
next_components = components.copy()
next_components[d] += 1
next_index = components_to_index(next_components)
arr[index] += arr[next_index]
answer = 0
for components in tuples:
index = components_to_index(components)
if arr[index] >= 2:
answer += 1
print(answer)
if __name__ == '__main__':
main()
lam6er