結果
問題 | No.1909 Detect from Substrings |
ユーザー |
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提出日時 | 2025-03-31 17:49:29 |
言語 | PyPy3 (7.3.15) |
結果 |
MLE
|
実行時間 | - |
コード長 | 1,464 bytes |
コンパイル時間 | 254 ms |
コンパイル使用メモリ | 82,048 KB |
実行使用メモリ | 848,260 KB |
最終ジャッジ日時 | 2025-03-31 17:50:29 |
合計ジャッジ時間 | 6,411 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge4 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 5 MLE * 1 -- * 30 |
ソースコード
def main(): import sys input = sys.stdin.read().split() idx = 0 N = int(input[idx]) idx += 1 M = int(input[idx]) idx += 1 S = [] for _ in range(N): s = input[idx].strip() S.append(s) idx += 1 if N == 0: print(0) return # Generate all possible candidates from the first string first = S[0] candidates = set() for pos in range(M + 1): for c in 'abcdefghijklmnopqrstuvwxyz': new_str = first[:pos] + c + first[pos:] candidates.add(new_str) # Check each candidate against all S_i valid_count = 0 candidate_list = list(candidates) # To potentially iterate faster for candidate in candidate_list: all_valid = True for s in S: i = 0 # pointer for candidate (T) j = 0 # pointer for current S_i len_c = len(candidate) len_s = len(s) # Early check for lengths (though given, may not be necessary) if len_s != M or len_c != M + 1: all_valid = False break while i < len_c and j < len_s: if candidate[i] == s[j]: j += 1 i += 1 if j != len_s: all_valid = False break if all_valid: valid_count += 1 print(valid_count) if __name__ == "__main__": main()