結果
| 問題 |
No.1633 Sorting Integers (Multiple of 2^K)
|
| コンテスト | |
| ユーザー |
gew1fw
|
| 提出日時 | 2025-06-12 15:33:46 |
| 言語 | PyPy3 (7.3.15) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 2,470 bytes |
| コンパイル時間 | 176 ms |
| コンパイル使用メモリ | 82,532 KB |
| 実行使用メモリ | 596,576 KB |
| 最終ジャッジ日時 | 2025-06-12 15:35:12 |
| 合計ジャッジ時間 | 5,254 ms |
|
ジャッジサーバーID (参考情報) |
judge5 / judge4 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 17 WA * 3 MLE * 1 -- * 24 |
ソースコード
import sys
from collections import deque
def main():
N = int(sys.stdin.readline().strip())
c = list(map(int, sys.stdin.readline().split()))
max_k = 30 # Since 2^30 is about 1e9, which is manageable
for k in range(max_k, 0, -1):
target = 1 << k # 2^k
m = min(k, N)
if m < k:
# Check if target has exactly N digits and matches the counts
s = str(target)
if len(s) != N:
continue
cnt = [0] * 9
for ch in s:
d = int(ch)
cnt[d-1] += 1
# Compare with c
match = True
for i in range(9):
if cnt[i] != c[i]:
match = False
break
if match:
print(k)
return
else:
# Perform BFS for m digits
visited = set()
initial_mod = 0
initial_digits = tuple([0]*9)
queue = deque()
queue.append((initial_mod, initial_digits))
visited.add((initial_mod, initial_digits))
found = False
for step in range(m):
level_size = len(queue)
for _ in range(level_size):
current_mod, digits_used = queue.popleft()
for d in range(1, 10):
if digits_used[d-1] >= c[d-1]:
continue
new_digits = list(digits_used)
new_digits[d-1] += 1
new_digits_tuple = tuple(new_digits)
new_mod = (current_mod * 10 + d) % target
if (new_mod, new_digits_tuple) not in visited:
visited.add((new_mod, new_digits_tuple))
queue.append((new_mod, new_digits_tuple))
# Check if any state after m steps has mod 0
for state in queue:
mod, digits = state
if mod == 0:
valid = True
for i in range(9):
if digits[i] > c[i]:
valid = False
break
if valid:
found = True
break
if found:
print(k)
return
print(0)
if __name__ == "__main__":
main()
gew1fw