std::rand
De cppreference.com
![]() |
This page has been machine-translated from the English version of the wiki using Google Translate.
The translation may contain errors and awkward wording. Hover over text to see the original version. You can help to fix errors and improve the translation. For instructions click here. |
Definido en la cabecera <cstdlib>
|
||
int rand(); |
||
Devuelve una distribuida uniformemente pseudo-aleatorio valor integral entre 0 y
RAND_MAX
(0 y RAND_MAX incluido) .Original:
Returns a uniformly distributed pseudo-random integral value between 0 and
RAND_MAX
(0 and RAND_MAX included).The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
You can help to correct and verify the translation. Click here for instructions.
srand()
debe ser llamada antes de cualquier llamada a rand()
para inicializar el generador de números aleatorios .Original:
srand()
should be called before any calls to rand()
to initialize the random number generator.The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
You can help to correct and verify the translation. Click here for instructions.
Contenido |
[editar] Parámetros
(Ninguno)
Original:
(none)
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
You can help to correct and verify the translation. Click here for instructions.
[editar] Valor de retorno
Pseudo-random valor integral entre 0 y ..
RAND_MAX
Original:
Pseudo-random integral value between 0 and
RAND_MAX
.The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
You can help to correct and verify the translation. Click here for instructions.
[editar] Ejemplo
#include <cstdlib> #include <iostream> #include <ctime> int main() { std::srand(std::time(0)); //use current time as seed for random generator int uniform_random_variable = std::rand(); std::cout << "Uniform random value on [0 " << RAND_MAX << "]: " << uniform_random_variable << '\n'; }
Posible salida:
Uniform random value on [0 2147483647]: 1373858591
[editar] Ver también
inicializa pseudo-generador de números aleatorios Original: initializes pseudo-random number generator The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (función) | |
Documentacion C de rand
|