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{"base_canonical_solution": "\ntemplate <typename T>\nbool has_close_elements(T numbers, float threshold) {\n for (int i = 0; i < numbers.size(); i++)\n for (int j = i + 1; j < numbers.size(); j++)\n if (std::abs(numbers[i] - numbers[j]) < threshold)\n return true;\n\n return false;\n}\n", "base_prompt": "Make the following function generic for the parameter `numbers`.", "concepts_canonical_solution": "\ntemplate <typename T>\n requires std::same_as<typename T::value_type, float>\nbool has_close_elements(T numbers, float threshold) {\n for (int i = 0; i < numbers.size(); i++)\n for (int j = i + 1; j < numbers.size(); j++)\n if (std::abs(numbers[i] - numbers[j]) < threshold)\n return true;\n\n return false;\n}\n", "concepts_prompt": "Constrain the generic code using C++20 Concepts so that it accepts a container with value type of floats.", "invalids": "\nint main() {\n std::string s{};\n has_close_elements(s, 3.4);\n}\n", "sfinae_canonical_solution": "\ntemplate <\n typename T,\n std::enable_if_t<std::is_same_v<typename T::value_type, float>, int> = 0>\nbool has_close_elements(T numbers, float threshold) {\n for (int i = 0; i < numbers.size(); i++)\n for (int j = i + 1; j < numbers.size(); j++)\n if (std::abs(numbers[i] - numbers[j]) < threshold)\n return true;\n\n return false;\n}\n", "sfinae_prompt": "Constrain the generic code using C++17 SFINAE so that it accepts a container with value type of floats.", "starter_code": "\nbool has_close_elements(std::vector<float> numbers, float threshold) {\n for (int i = 0; i < numbers.size(); i++)\n for (int j = i + 1; j < numbers.size(); j++)\n if (std::abs(numbers[i] - numbers[j]) < threshold)\n return true;\n\n return false;\n}\n", "task_id": "HEP/0", "tests": "\n#define ASSERT(...) \\\n do { \\\n if (!(__VA_ARGS__)) { \\\n std::exit(-1); \\\n } \\\n } while (false)\n\n#define TEST_ON_TYPE(_type_) \\\n do { \\\n _type_ a = {1.0, 2.0, 3.9, 4.0, 5.0, 2.2}; \\\n ASSERT(has_close_elements(a, 0.3) == true); \\\n ASSERT(has_close_elements(a, 0.05) == false); \\\n ASSERT(has_close_elements(_type_{1.0, 2.0, 5.9, 4.0, 5.0}, 0.95) == true); \\\n ASSERT(has_close_elements(_type_{1.0, 2.0, 5.9, 4.0, 5.0}, 0.8) == false); \\\n ASSERT(has_close_elements(_type_{1.0, 2.0, 3.0, 4.0, 5.0}, 2.0) == true); \\\n ASSERT(has_close_elements(_type_{1.1, 2.2, 3.1, 4.1, 5.1}, 1.0) == true); \\\n ASSERT(has_close_elements(_type_{1.1, 2.2, 3.1, 4.1, 5.1}, 0.5) == false); \\\n } while (false)\n\nint main() {\n TEST_ON_TYPE(std::vector<float>);\n TEST_ON_TYPE(std::deque<float>);\n}\n"}
{"base_canonical_solution": "template <typename InputStr>\nstd::vector<std::string> separate_paren_groups(InputStr paren_string) {\n std::vector<std::string> all_parens;\n std::string current_paren;\n int level = 0;\n for (int i = 0; i < paren_string.size(); i++) {\n char chr = paren_string[i];\n if (chr == '(') {\n level += 1;\n current_paren += chr;\n }\n if (chr == ')') {\n level -= 1;\n current_paren += chr;\n if (level == 0) {\n all_parens.push_back(current_paren);\n current_paren = \"\";\n }\n }\n }\n return all_parens;\n}", "base_prompt": "Make the following function generic for the parameter `paren_string`.", "concepts_canonical_solution": "template <typename InputStr>\n requires requires(const InputStr& s, std::size_t i) {\n { s[i] } -> std::convertible_to<char>;\n { s.size() } -> std::convertible_to<int>;\n std::same_as<typename InputStr::value_type, char>;\n }\nstd::vector<std::string> separate_paren_groups(InputStr paren_string) {\n std::vector<std::string> all_parens;\n std::string current_paren;\n int level = 0;\n for (int i = 0; i < paren_string.length(); i++) {\n char chr = paren_string[i];\n if (chr == '(') {\n level += 1;\n current_paren += chr;\n }\n if (chr == ')') {\n level -= 1;\n current_paren += chr;\n if (level == 0) {\n all_parens.push_back(current_paren);\n current_paren = \"\";\n }\n }\n }\n return all_parens;\n}", "concepts_prompt": "Constrain the generic code using C++20 Concepts so that the parameter `paren_string` must be a sequenced container of characters like a string.", "invalids": "int main() {\n float v = 3;\n separate_paren_groups(v);\n}", "sfinae_canonical_solution": "template <\n typename InputStr,\n std::enable_if_t<\n std::conjunction_v<\n std::is_same<char, typename InputStr::value_type>,\n std::is_same<char, std::decay_t<decltype(std::declval<\n InputStr>()[std::declval<\n std::size_t>()])>>>,\n int> = 0>\nstd::vector<std::string> separate_paren_groups(InputStr paren_string) {\n std::vector<std::string> all_parens;\n std::string current_paren;\n int level = 0;\n for (int i = 0; i < paren_string.size(); i++) {\n char chr = paren_string[i];\n if (chr == '(') {\n level += 1;\n current_paren += chr;\n }\n if (chr == ')') {\n level -= 1;\n current_paren += chr;\n if (level == 0) {\n all_parens.push_back(current_paren);\n current_paren = \"\";\n }\n }\n }\n return all_parens;\n}\n", "sfinae_prompt": "Constrain the generic code using C++17 SFINAE so that the parameter `paren_string` must be a sequenced container of characters like a string.", "starter_code": "std::vector<std::string> separate_paren_groups(std::string paren_string) {\n std::vector<std::string> all_parens;\n std::string current_paren;\n int level = 0;\n for (int i = 0; i < paren_string.length(); i++) {\n char chr = paren_string[i];\n if (chr == '(') {\n level += 1;\n current_paren += chr;\n }\n if (chr == ')') {\n level -= 1;\n current_paren += chr;\n if (level == 0) {\n all_parens.push_back(current_paren);\n current_paren = \"\";\n }\n }\n }\n return all_parens;\n}", "task_id": "HEP/1", "tests": "bool issame(std::vector<std::string> a, std::vector<std::string> b) {\n if (a.size() != b.size()) return false;\n for (int i = 0; i < a.size(); i++) {\n if (a[i] != b[i]) return false;\n }\n return true;\n}\n\n#define ASSERT(...) \\\n do { \\\n if (!(__VA_ARGS__)) { \\\n std::exit(-1); \\\n } \\\n } while (false)\n\n#define TEST_ON_TYPE(_type_) \\\n do { \\\n ASSERT( \\\n issame(separate_paren_groups(_type_(\"(()()) ((())) () ((())()())\")), \\\n {\"(()())\", \"((()))\", \"()\", \"((())()())\"})); \\\n ASSERT(issame(separate_paren_groups(_type_(\"() (()) ((())) (((())))\")), \\\n {\"()\", \"(())\", \"((()))\", \"(((())))\"})); \\\n ASSERT(issame(separate_paren_groups(_type_(\"(()(())((())))\")), \\\n {\"(()(())((())))\"})); \\\n ASSERT(issame(separate_paren_groups(_type_(\"( ) (( )) (( )( ))\")), \\\n {\"()\", \"(())\", \"(()())\"})); \\\n } while (false)\n\nint main() {\n TEST_ON_TYPE(std::string);\n TEST_ON_TYPE(std::string_view);\n}"} |