2 курс. Программирование на C++. Турнир 2, осень 2021

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5770772

User

Костюков Максим Сергеевич

Time

14.11.2021 16:12 (25天 14:12) 16:13>>

Processing

16:12 ... 16:12 (6,03 秒)

File

5770772.cpp (CLang++ 5.0.0 + Address Sanitizer)

Contest

2 курс. Программирование на C++. Турнир 2, осень 2021

Problem

B: Фабрика

Testset

Limits

Time: 1s Memory: 4096Mb

Status [?]

LI	Source check error

source | results

factory.h:36:  Extra space before ( in function call  [whitespace/parens] [4]
factory.h:43:  Missing space before {  [whitespace/braces] [5]
Done processing factory.h
Total errors found: 2

[打印 | | ]

≡

#include <iostream>
#include <map>
#include <string>

using std::string;
using std::map;

class Object {
 public:
  virtual std::string ToString() const = 0;
  virtual ~Object() {}
};

class Apple: public Object {
  [[nodiscard]] std::string ToString() const override {
    return "apple!";
  }
};

class List: public Object {
  [[nodiscard]] std::string ToString() const override {
    return "list";
  }
};

class yai : public Object {
  [[nodiscard]] std::string ToString() const override {
    return "yet another identifier";
  }
};

class Factory {
 private:
  map<string, Object*(*)()> functions;
 public:
  Object* Create (const std::string& class_id) {
    if (class_id == "apple!") {
      return new Apple();
    }
    if (class_id == "list") {
      return new List();
    }
    if (class_id == "yet another identifier"){
      return new yai();
    }
    return functions[class_id]();
  }
  void Register(const std::string& class_id, Object*(*instance_creator)()) {
    functions[class_id] = instance_creator;
  }
};

(1 030 b)

0.120s 0.009s 10