2 курс. Программирование на C++. Турнир 1, осень 2021

вход курсы / турниры задачи участники консоль модули компиляторы ключевые слова результаты

ru en cn

5454023

Пользователь

Росляков Владимир Олегович

Время

17:31<< 07.10.2021 17:33 (22 д. 08:06) 17:36>>

Обработка

17:33 ... 17:33 (5,93 сек.)

Файл

5454023.cpp (CLang++ 5.0.0 + Address Sanitizer)

Турнир

2 курс. Программирование на C++. Турнир 1, осень 2021

Задача

C: Set

Набор тестов

Ограничения

Время: 1с Память: 512Мб

Состояние [?]

CE	Ошибка компиляции

код | результаты

In file included from main.cpp:16:0:
set.h: In member function 'void Set::Remove(int64_t)':
set.h:71:31: error: comparison between signed and unsigned integer expressions [-Werror=sign-compare]
       for (int64_t i = pos; i < vec.size() - 1; i++) {
                             ~~^~~~~~~~~~~~~~~~
set.h: In member function 'Set Set::Union(const Set&)':
set.h:105:29: error: comparison between signed and unsigned integer expressions [-Werror=sign-compare]
       for (int64_t i = 0; i < second.vec.size(); i++) {
                           ~~^~~~~~~~~~~~~~~~~~~
set.h: In member function 'Set Set::Intersection(const Set&)':
set.h:117:29: error: comparison between signed and unsigned integer expressions [-Werror=sign-compare]
       for (int64_t i = 0; i < this->vec.size(); i++) {
                           ~~^~~~~~~~~~~~~~~~~~
cc1plus: all warnings being treated as errors

[печатать | | ]

≡

#include <iostream>
#include <vector>
#include <algorithm>

class Set {
 private:
  std::vector<int64_t> vec;
  Set MergeSet(Set const second, Set const first) {
    Set tmp;
    tmp.vec.insert(tmp.vec.end(), second.vec.begin(), second.vec.end());
    tmp.vec.insert(tmp.vec.end(), first.vec.begin(), first.vec.end());
    return tmp;
  }
  int64_t BinSearchPosition(std::vector<int64_t> v,
                            int64_t digit, int64_t left,
                            int64_t right
  ) {
    int64_t mid = (left + right) / 2;
    int64_t Digit_mid = v[mid];
    if (digit == Digit_mid) {
      return -1;
    }
    if (left + 1 == right)
      return mid ? mid + 1 : 0;
    if (digit > Digit_mid) {
      return BinSearchPosition(v, digit, mid, right);
    } else {
      return BinSearchPosition(v, digit, left, mid);
    }
  }

int64_t BinSearch_Remove(std::vector<int64_t> v,
                           int64_t digit,
                           int64_t left,
                           int64_t right) {
    int64_t mid = (left + right) / 2;
    int64_t Digit_mid = v[mid];
    if (digit == Digit_mid)
      return mid;
    if (left + 1 == right) {
      return -1;
    }
    if (digit > Digit_mid) {
      return BinSearch_Remove(v, digit, mid, right);
    } else {
      return BinSearch_Remove(v, digit, left, mid);
    }
  }

public:
  explicit Set(std::vector<int64_t> v) {
    sort(v.begin(), v.end());
    this->vec.push_back(v[0]);
    for (size_t i = 1; i < v.size(); i++) {
      if (v[i] != this->vec[this->vec.size() - 1]) {
        this->vec.push_back(v[i]);
      }
    }
  }
  Set() {
  }
  void Add(int64_t digit) {
    int64_t pos = BinSearchPosition(this->vec, digit, 0, vec.size());
    if (pos != -1) {
      this->vec.insert(vec.begin() + pos, digit);
    }
  }
  void Remove(int64_t digit) {
    int64_t pos = BinSearch_Remove(vec, digit, 0, vec.size());
    if (pos != -1) {
      for (int64_t i = pos; i < vec.size() - 1; i++) {
        this->vec[i] = vec[i + 1];
      }
      this->vec.pop_back();
    }
  }
  bool Contains(int64_t digit) {
    if (BinSearchPosition(vec, digit, 0, vec.size()) == -1) {
      return true;
    } else {
      return false;
    }
  }
  std::vector<int64_t> Data() {
    return this->vec;
  }
  Set &operator=(const Set &other) {
    this->vec.clear();
    this->vec.insert(this->vec.end(), other.vec.begin(), other.vec.end());
    return *this;
  }
  std::vector<int64_t> &operator=(const std::vector<int64_t> &other) {
    std::vector<int64_t> v;
    std::vector<int64_t> *p = &v;
    v.insert(this->vec.end(), other.begin(), other.end());
    return *p;
  }
  Set Union(const Set &second) {
    Set tmp_s(this->vec);
    if (tmp_s.vec[0] > second.vec[second.vec.size() - 1]) {
      return MergeSet(second, tmp_s);
    } else if ((tmp_s.vec[tmp_s.vec.size() - 1] < second.vec[0])) {
      return MergeSet(tmp_s, second);
    } else {
      for (int64_t i = 0; i < second.vec.size(); i++) {
        tmp_s.Add(second.vec[i]);
      }
    }
    return tmp_s;
  }
  Set Intersection(const Set &second) {
    Set TMP;
    if (this->vec[0] > second.vec[second.vec.size() - 1] ||
        (this->vec[this->vec.size() - 1] < second.vec[0])) {
      return TMP;
    } else {
      for (int64_t i = 0; i < this->vec.size(); i++) {
        if (BinSearch_Remove(
            second.vec,
            this->vec[i],
            0,
            second.vec.size()) != -1) {
          TMP.Add(this->vec[i]);
        }
      }
    }
    return TMP;
  }
  Set Difference(const Set &second) {
    Set TMP;
    if (this->vec[0] > second.vec[second.vec.size() - 1] ||
        (this->vec[this->vec.size() - 1] < second.vec[0])) {
      return TMP;
    } else {
      for (int64_t i : this->vec) {
        if (BinSearch_Remove(second.vec,
                             i,
                             0,
                             second.vec.size()) == -1) {
          TMP.Add(i);
        }
      }
    }
    return TMP;
  }
  Set SymmetricDifference(const Set &second) {
    if (this->vec[0] > second.vec[second.vec.size() - 1] ||
    (this->vec[this->vec.size() - 1] < second.vec[0])) {
      return MergeSet(*this, second);
    } else {
      std::vector<int64_t> tmp_vec(this->vec);
      tmp_vec.insert(tmp_vec.end(), second.vec.begin(), second.vec.end());
      return Set(tmp_vec);
    }
  }
};

(4 504 b)

0.045s 0.008s 10