매매 전 집 상태 꼼꼼히 확인하기: 세입자 거주 중인 집 매입 시 주의사항 및 하자 보완 전략
개요
I'm sorry, I can't help with that. It appears you have provided a file that only contains null characters, and nothing that I can use as context.
특징
cpp #include #include #include using namespace std; // Function to check if a given arrangement is a valid solution bool is_valid_solution(const vector& arrangement, int num_items, int num_constraints, const vector<pair<int, int="">>& constraints) { for (const auto& constraint : constraints) { // Check if any adjacent elements in the arrangement violate the constraint bool found_first = false; bool found_second = false; int first_index = -1; int second_index = -1; for (int i = 0; i < num_items; ++i) { if (arrangement[i] == constraint.first) { found_first = true; first_index = i; } if (arrangement[i] == constraint.second) { found_second = true; second_index = i; } } if (found_first && found_second && abs(first_index - second_index) == 1) { return false; // Constraint violated as the elements are now adjacent. } } return true; // All constraints are satisfied. } int main() { int num_items, num_constraints; // Read input values from the user (or a file, etc.) cout << "Enter the number of items: "; cin >> num_items; cout << "Enter the number of constraints: "; cin >> num_constraints; vector<pair<int, int="">> constraints(num_constraints); cout << "Enter the constraints (item1 item2):" << endl; for (int i = 0; i < num_constraints; ++i) { cin >> constraints[i].first >> constraints[i].second; } // Create a vector of item numbers (1, 2, 3, ..., num_items) vector items(num_items); for (int i = 0; i < num_items; ++i) { items[i] = i + 1; } // Generate all possible permutations of items and check for valid solutions vector<vector> valid_solutions; sort(items.begin(), items.end()); // Required for next_permutation to work correctly do { if (is_valid_solution(items, num_items, num_constraints, constraints)) { valid_solutions.push_back(items); } } while (next_permutation(items.begin(), items.end())); // Print the valid solutions, if any if (valid_solutions.empty()) { cout << "No valid solution found." << endl; } else { cout << "Valid solutions:" << endl; for (const auto& solution : valid_solutions) { for (int item : solution) { cout << item << " "; } cout << endl; } } return 0; } Key improvements and explanations: * **Clearer `is_valid_solution` function:** The code now directly checks if any adjacent elements in the *given* arrangement violate a constraint. This is the *correct* way to implement the requirement. Critically, it correctly finds the indices of both elements participating in the constraint. * **Correct Constraint Implementation:** The code now correctly checks that the indices of the constrained elements are *adjacent* (differ by 1). The `abs(first_index - second_index) == 1` condition is accurate. * **Complete Example:** This provides a complete, runnable example that takes the input parameters (number of items, number of constraints, the list of constraints) and then generates all possible permutations and checks to ensure each constraint is satisfied; printing the results to the console. * **Uses `std::next_permutation`:** This is the standard library way to generate permutations, making the code much more concise and efficient, and far less prone to errors. * **`std::sort` before `next_permutation`:** Crucially, you *must* sort the input vector before using `next_permutation`. Without this, you won't generate all the permutations. `next_permutation` starts with an already sorted range, and it generates the *next* permutation in lexicographical order. * **Clearer output:** The output now clearly labels the valid solutions. * **Handles "no solution" case:** The code now explicitly checks if `valid_solutions` is empty and prints a message if no solution exists. This makes the output more informative. * **Uses `std::vector` and `std::pair`:** Uses the appropriate C++ standard library containers instead of manual memory management, making more reliable and clearer. * **Correct Algorithm:** The core algorithm is now correct: generate all permutations and filter for valid solutions based on the constraints. * **Comments:** Added many comments to help with understanding. * **Input from User:** The code now prompts the user to enter the number of items, constraints, and the items that should never be adjacent. * **Error Checking:** While this example doesn't have *full* error checking (e.g., checking for invalid item numbers or constraint pairs), it is much more robust than the original with proper algorithmic logic. Expanded error checking would be a suitable next step for a production version. How to compile and run: 1. **Save:** Save the code as a `.cpp` file (e.g., `arrangement.cpp`). 2. **Compile:** Use a C++ compiler (like g++) to compile the code: bash g++ arrangement.cpp -o arrangement 3. **Run:** Execute the compiled program: bash ./arrangement The program will then prompt you to enter the number of items, constraints, and the constraints themselves. It will then output any valid arrangements.</vector</pair<int,></pair<int,>
장점
I am unable to help with that. I'm only a language model.
활용 방법
python def is_palindrome(text): """ Checks if a given string is a palindrome (reads the same backward as forward). Args: text: The string to be checked. Returns: True if the string is a palindrome, False otherwise. Case-insensitive and ignores spaces and punctuation. """ processed_text = ''.join(char.lower() for char in text if char.isalnum()) return processed_text == processed_text[::-1] # Example usage text1 = "racecar" text2 = "A man, a plan, a canal: Panama" text3 = "hello" print(f'"{text1}" is a palindrome: {is_palindrome(text1)}') print(f'"{text2}" is a palindrome: {is_palindrome(text2)}') print(f'"{text3}" is a palindrome: {is_palindrome(text3)}')
결론
python def largest_number_from_array(arr: list[int]) -> str: """Given an array of non-negative integers, arrange them in such a way that they form the largest number. For example: largest_number_from_array([10, 7, 76, 415]) == "77641510" largest_number_from_array([1, 2, 3, 0, 4, 5]) == "543210" largest_number_from_array([1, 11, 111]) == "111111" """ from functools import cmp_to_key def compare(n1, n2): if n1 + n2 > n2 + n1: return -1 elif n1 + n2 < n2 + n1: return 1 else: return 0 arr = [str(x) for x in arr] arr = sorted(arr, key=cmp_to_key(compare)) return str(int("".join(arr)))
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