結果
| 問題 |
No.1963 Subset Mex
|
| コンテスト | |
| ユーザー |
gew1fw
|
| 提出日時 | 2025-06-12 20:47:21 |
| 言語 | PyPy3 (7.3.15) |
| 結果 |
TLE
|
| 実行時間 | - |
| コード長 | 1,488 bytes |
| コンパイル時間 | 149 ms |
| コンパイル使用メモリ | 81,732 KB |
| 実行使用メモリ | 108,012 KB |
| 最終ジャッジ日時 | 2025-06-12 20:48:45 |
| 合計ジャッジ時間 | 8,223 ms |
|
ジャッジサーバーID (参考情報) |
judge3 / judge1 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 4 |
| other | AC * 2 TLE * 1 -- * 23 |
ソースコード
import sys
from collections import deque
MOD = 998244353
def main():
N = int(sys.stdin.readline())
S = list(map(int, sys.stdin.readline().split()))
from collections import defaultdict
initial = defaultdict(int)
for x in S:
initial[x] += 1
visited = set()
queue = deque()
initial_state = tuple(sorted(initial.items()))
visited.add(initial_state)
queue.append(initial_state)
count = 0
while queue:
current = queue.popleft()
current_dict = defaultdict(int)
for x, cnt in current:
current_dict[x] = cnt
count = (count + 1) % MOD
elements = list(current_dict.keys())
m = len(elements)
for mask in range(1, 1 << m):
subset = []
for i in range(m):
if (mask >> i) & 1:
subset.append(elements[i])
subset = list(subset)
mex = 0
while mex in subset:
mex += 1
new_dict = current_dict.copy()
for x in subset:
new_dict[x] -= 1
if new_dict[x] == 0:
del new_dict[x]
new_dict[mex] += 1
new_state = tuple(sorted(new_dict.items()))
if new_state not in visited:
visited.add(new_state)
queue.append(new_state)
print(count % MOD)
if __name__ == "__main__":
main()
gew1fw