結果
問題 |
No.1694 ZerOne
|
ユーザー |
![]() |
提出日時 | 2025-04-15 22:57:24 |
言語 | PyPy3 (7.3.15) |
結果 |
TLE
|
実行時間 | - |
コード長 | 2,066 bytes |
コンパイル時間 | 149 ms |
コンパイル使用メモリ | 82,728 KB |
実行使用メモリ | 101,664 KB |
最終ジャッジ日時 | 2025-04-15 22:58:53 |
合計ジャッジ時間 | 3,793 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge2 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | TLE * 1 -- * 30 |
ソースコード
from collections import deque def count_reachable(s): visited = set() q = deque() q.append(s) visited.add(s) n = len(s) while q: current = q.popleft() # Generate all possible t and u pairs # Iterate over all possible t and u pairs where t is before u for t_start in range(n): for t_end in range(t_start, n): t = current[t_start:t_end+1] t0 = t.count('0') t1 = len(t) - t0 # Now find u after t for u_start in range(t_end + 1, n): for u_end in range(u_start, n): u = current[u_start:u_end+1] u0 = u.count('0') u1 = len(u) - u0 if t0 == u0 and t1 == u1: # Swap t and u new_str = current[:t_start] + u + current[t_end+1:u_start] + t + current[u_end+1:] if new_str not in visited: visited.add(new_str) q.append(new_str) # Also check pairs where u is before t for u_start in range(n): for u_end in range(u_start, n): u = current[u_start:u_end+1] u0 = u.count('0') u1 = len(u) - u0 # Find t after u for t_start in range(u_end + 1, n): for t_end in range(t_start, n): t = current[t_start:t_end+1] t0 = t.count('0') t1 = len(t) - t0 if t0 == u0 and t1 == u1: new_str = current[:u_start] + t + current[u_end+1:t_start] + u + current[t_end+1:] if new_str not in visited: visited.add(new_str) q.append(new_str) return len(visited) # Read input and output the result s = input().strip() print(count_reachable(s))