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Asked: November 27, 20242024-11-27T04:11:06+00:00 2024-11-27T04:11:06+00:00

C++ Ternary Operator

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Ассаламу алейкум, сегодня мы поговорим с вами о переводе Тернарного оператора, используемого в языке программирования C++ — тернарный оператор.

Тернарный оператор оценивает тестовое условие и выполняет блок кода на основе результата условия.

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#include <iostream>  using namespace std;  int main()  {   double marks;    // take input from users   cout << "Enter your marks: ";   cin >> marks;    // ternary operator checks if   // marks is greater than 40   string result = (marks >= 40) ? "passed" : "failed";    cout << "You " << result << " the exam.";    return 0; } 
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Результат:

Enter your marks: 80 You passed the exam. 
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Когда использовать тернарный оператор?

В C++ тернарный оператор можно использовать для замены некоторых типов операторов if...else.

Например, мы можем заменить этот код

#include <iostream>  using namespace std;  int main()  {   // Create a variable   int number = -4;    if (number > 0)   {     cout << "Positive Number";    }   else   {     cout << "Negative Number!";   }    return 0; } 
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Например, этот вариант выполнен в тернарном виде:

#include <iostream> #include <string>  using namespace std;  int main()  {   int number = -4;   string result;    // Using ternary operator   result = (number > 0) ? "Positive Number!" : "Negative Number!";    cout << result << endl;    return 0; } 
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`Здесь обе программы дают одинаковый результат. Однако использование тернарного оператора делает наш код более читабельным и чистым.

Примечание. Если результат короткий, нам нужно использовать тернарный оператор`

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