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Как в C++ извлечь корень
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Для того, чтобы квадратный корень в C++ достаточно использовать функцию sqrt , которая находится в библиотеке math.h .
Функция sqrt принимает один аргумент: число, для которого нужно найти квадратный корень
double sqrt ( double x );
using namespace std;
int main ()
<
printf (“%g”, sqrt (1024));
return 0;
>
Результатом работы данной программы будет вывод числа 32, что и есть квадратным корнем числа 1024.
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sqrt в C/C++: квадратный корень
�� Привет! В этой статье мы поговорим о функции sqrt . Эта функция позволяет нам вычислить квадратный корень в C/C++. Сначала мы посмотрим как использовать эту функцию на примере, а потом попробуем реализовать ее сами. Также мы разберемся чем отличается sqrt от sqrtl и sqrtf . В конце статьи вы найдете упражнения для закрепления материала.
Как получить корень числа в C/C++
Для того, чтобы вычислить квадратный корень числа в C/C++ мы можем воспользоваться встроенной функцией sqrt . Эта функция доступна нам после подключения файла . В C++ можно подключить . Вот как выглядит прототип этой функции:
double sqrt (double x);- Единственным аргументом функция принимает число, для которого нужно вычислить квадратный корен