is_in_transaction($options)) { Expand All @@ -238,7 +227,7 @@ public function dropDatabase(string $databaseName, array $options = []): array|o $operation = new DropDatabase($databaseName, $options); return $ope
getData(int k) 提取第k个元素的值;setData(int k,int val) 修改第k个元素的值为val.\x05 templatevoid merge(SeqList& A,SeqList& B,SeqList& C); 答案 template void merge(SeqList& A, SeqList& B, SeqList& C){ int a=0,b=0,c=0, Alength=A.length(),Blength=B.length(),Adata,...