結果
| 問題 |
No.1634 Sorting Integers (Multiple of K) Hard
|
| コンテスト | |
| ユーザー |
lam6er
|
| 提出日時 | 2025-03-20 20:32:01 |
| 言語 | PyPy3 (7.3.15) |
| 結果 |
TLE
|
| 実行時間 | - |
| コード長 | 1,485 bytes |
| コンパイル時間 | 187 ms |
| コンパイル使用メモリ | 82,840 KB |
| 実行使用メモリ | 119,272 KB |
| 最終ジャッジ日時 | 2025-03-20 20:33:02 |
| 合計ジャッジ時間 | 6,540 ms |
|
ジャッジサーバーID (参考情報) |
judge1 / judge5 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 4 |
| other | AC * 4 TLE * 1 -- * 23 |
ソースコード
import math
from collections import defaultdict
n, k = map(int, input().split())
c = list(map(int, input().split()))
# Calculate the product of factorials of the counts
product_factorial = 1
for count in c:
product_factorial *= math.factorial(count)
# Special case: K=1, all numbers are divisible by 1
if k == 1:
total = math.factorial(n) // product_factorial
print(total)
exit()
# Initialize dynamic programming
dp = defaultdict(lambda: defaultdict(int))
initial_remaining = tuple(c)
dp[initial_remaining][0] = 1
for _ in range(n):
new_dp = defaultdict(lambda: defaultdict(int))
for remaining in list(dp.keys()):
rem_dict = dp[remaining]
for current_rem, count in rem_dict.items():
for digit in range(1, 10):
idx = digit - 1
if remaining[idx] == 0:
continue
# Calculate new remaining counts after using this digit
new_remaining = list(remaining)
new_remaining[idx] -= 1
new_remaining = tuple(new_remaining)
# Calculate new remainder
new_rem = (current_rem * 10 + digit) % k
# Update the new_dp with multiplied by the available count
new_dp[new_remaining][new_rem] += count * remaining[idx]
dp = new_dp
# Extract the final answer
final_remaining = tuple([0]*9)
answer = dp.get(final_remaining, {}).get(0, 0) // product_factorial
print(answer)
lam6er