Glagolev ruslan request to check homework2 #17

MykolaSuperman · 2019-12-28T13:25:58Z

обьявляйте переменные по мере их использования, вот зачем тут обьявлять переменные first_half_of_the_number и second_half_of_the_number если реально они будут применяться только после того как вы проверите коректность введенного числа, т.е. проверка что число содержит 6 цифр

MykolaSuperman · 2019-12-28T13:27:14Z

вот например тут, зачем вверху обьявлять переменную check_number а тут ей присваивать значение почему нельзя сделать сразу
int check_number = abs(normal_number)

MykolaSuperman · 2019-12-28T13:31:01Z

вот зачем обьявлять все тут переменные??? как думаете удобно смотреть весь список переменных в начале, а потом искать по всему коду где же они применяються. Приучайтесь создавать переменные(обьявлять), перед первым их использованием. Не надо все переменные создавать в начале, а потом ниже в коде их инициализировать, так никто не пишет

MykolaSuperman · 2019-12-28T13:35:19Z

вместо типа long long в цикле лучше писать size_t

MykolaSuperman · 2019-12-28T13:33:56Z

например зачем выносить в начале main обьявление переменной divisor_1, если она реально используеться только внутри цикла. Т.е. это плохо когда вы увеличиваете скоп переменной, когда ее скоп реально есть только тело цикла. Это плохо для читабельности кода

MykolaSuperman · 2019-12-28T13:37:02Z

название переменной огонь)

MykolaSuperman · 2019-12-28T13:36:18Z

вместо int привыкайте использовать size_t, и только в редких случаях пишите int

-Original file line number
+Diff line change
@@ -0,0 +1,25 @@
+    #include <iostream>
+    int main() {
+      int number;
+      int sum = 0;
+      int count_digit_in_number = 0;
+      std::cout << "Please enter any number, this program will calculate the sum "
+                   "of the\n";
+      std::cout << "digits in the number, and Arithmetic mean of the digits of "
+                   "your number-";
+      std::cin >> number;
+      while (number != 0) {
+        sum += number % 10;
+        number /= 10;
+        count_digit_in_number++;
+      }
+      auto avarage = static_cast<double>(sum) / count_digit_in_number;
+      std::cout << "The sum of the digits of your number- " << sum << std::endl;
+      std::cout << "Arithmetic mean of the digits of your number - " << avarage
+                << std::endl;
+      return 0;
+    }

-Original file line number
+Diff line change
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+    #include <iostream>
+    int main() {
+      int number;
+      int first_half_of_the_number = 0;
+      int second_half_of_the_number = 0;
+      int count_digit_in_number = 0;
+      std::cout << "This program calculates whether your ticket is successful or "
+                   "unsuccessful!\n";
+      std::cout << "Enter a six-digit number-" << std::endl;
+      std::cin >> number;
+      while (number != 0) {
+        int check_the_number_of_digits = 0;
+        int c = number;
+        while (c != 0) {
+          c /= 10;
+          check_the_number_of_digits++;
+        }
+        if (check_the_number_of_digits != 6) {
+          std::cout << "The number is not six-digit, enter the six-digit number-"
+                    << std::endl;
+          std::cin >> number;
+        }
+        break;
+      }
+      while (count_digit_in_number < 3) {
+        first_half_of_the_number += number % 10;
+        number /= 10;
+        count_digit_in_number++;
+      }
+      while (number != 0) {
+        second_half_of_the_number += number % 10;
+        number /= 10;
+      }
+      if (second_half_of_the_number == first_half_of_the_number) {
+        std::cout << "Your ticket is successful";
+      } else {
+        std::cout << "Your ticket is no  unsuccessful";
+      }
+      return 0;
+    }

-Original file line number
+Diff line change
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+    #include <cmath>
+    #include <iostream>
+    int main() {
+      int normal_number;
+      int check_number;
+      int multiplicity_of_number = 1;
+      auto reverse_number = 0;
+      std::cout << "This program reverses the digits of your number in places.\n";
+      std::cout << "Enter your number-";
+      std::cin >> normal_number;
+      check_number = abs(normal_number);
+      while (check_number != 0) {
+        check_number /= 10;
+        multiplicity_of_number *= 10;
+        if (check_number > 0 && check_number < 9) {
+          check_number = 0;
+        }
+      }
+      while (normal_number != 0) {
+        reverse_number =
+            reverse_number + multiplicity_of_number * (normal_number % 10);
+        normal_number /= 10;
+        multiplicity_of_number /= 10;
+      }
+      std::cout << "reverse number-" << reverse_number;
+      return 0;
+    }

-Original file line number
+Diff line change
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+    #include <iostream>
+    int main() {
+      auto sum = 0;
+      int number_of_digits = 1;
+      size_t max_iteration{50};
+      std::cout << "This program calculates the sum of odd numbers in the range \n";
+      std::cout << "from -60 to 90, and you can enter no more than 50 numbers."
+                << std::endl;
+      while (max_iteration > 0) {
+        int number;
+        std::cout << "Enter number " << number_of_digits << ":" << std::endl;
+        std::cin >> number;
+        if (number >= -60 && number <= 90) {
+          if (number % 2 != 0) {
+            sum += number;
+          }
+          ++number_of_digits;
+          --max_iteration;
+        }
+      }
+      std::cout << "Sum of odd elements- " << sum;
+      return 0;
+    }

-Original file line number
+Diff line change
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+    #include <iostream>
+    int main() {
+      long long number;
+      long long divisor = 0;
+      long long best_sum_number_divisor = 0;
+      long long sum_number_divisor = 0;
+      long long divisor_1;
+      long long best_divisor;
+      std::cout << "This program calculates the best divisor of your number, as "
+                   "well as the best divisor,\n";
+      std::cout << "based on the sum of the divisor.\n";
+      std::cout << "Enter tour number- ";
+      std::cin >> number;
+      for (long long i = 1; i <= number; ++i) {
+        if (number % i == 0) {
+          std::cout << "Divisor- " << i << "\n";
+          if (divisor < i) {
+            divisor = i;
+          }
+          divisor_1 = divisor;
+          while (divisor_1 > 0) {
+            sum_number_divisor += divisor_1 % 10;
+            divisor_1 /= 10;
+          }
+          if (sum_number_divisor > best_sum_number_divisor) {
+            best_sum_number_divisor = sum_number_divisor;
+            sum_number_divisor = 0;
+            best_divisor = divisor;
+          }
+        }
+      }
+      std::cout << "The best divisor your number- " << best_divisor << std::endl;
+      std::cout << "The best divisor by the sum of the digits -" << best_divisor;
+      return 0;
+    }

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Glagolev ruslan request to check homework2 #17

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MykolaSuperman Dec 28, 2019

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-Original file line number
+Diff line change
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+    #include <iostream>
+    int main() {
+      int number;
+      int skimmer = 0;
+      std::cout << "This program draws a Christmas tree with the symbol '*', which "
+                   "will be based on the number you specify.\n";
+      std::cout << "You need to enter only odd numbers from 0 to 100." << std::endl;
+      std::cout << "Enter your number-";
+      std::cin >> number;
+      while (number % 2 == 0 || number < 0 || number > 100) {
+        std::cout << "Enter the correct number- ";
+        std::cin >> number;
+      }
+      for (int a = 0; a != (number + 1) / 2; a++) {
+        for (int i = 0; i < number; i++) {
+          int max = i + skimmer;
+          int min = i - skimmer;
+          if (max >= number / 2 && min <= number / 2) {
+            std::cout << "*";
+          } else {
+            std::cout << " ";
+          }
+        }
+        std::cout << "\n";
+        skimmer++;
+      }
+      return 0;
+    }

Glagolev ruslan request to check homework2 #17

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MykolaSuperman Dec 28, 2019

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