srand_开发者

generating random numbers - srand c++

I am having trouble using srand. i am trying to generate a random numb开发者_如何学Cer in the interval 100 to 200.[详细]

2023-04-11 16:34 分类：问答

Bingo Board: Generating unique values

I\'m having trouble generating unique values which do NOT repeat for this bingo board. My code is relatively simple: I use a nested for loop to generate the values with some print statements; upon eac[详细]

2023-04-07 00:31 分类：问答

C Programming - bizarre output from rand()

Below is a sample program I got to practice the use of the rand() function. The weirdest thing is that every time the program is run, the first number generated by rand() (rand[0] in the program\'s o[详细]

2023-04-05 03:34 分类：问答

How often should I call srand() in a C++ application?

I have a C++ application which calls rand() in various places. Do I need to initialize srand() regularly to ensure that rand() is reasonably random, or is it enough to call it once when the开发者_如何[详细]

2023-03-26 07:08 分类：问答

Multidimensional array with rand()

I want to create a multidimensional array with just two values : 0 or 1. I use the srand/rand functions but array contains only 0.[详细]

2023-03-04 14:09 分类：问答

What is the best practice when writing Perl tests that involve randomness?

While working on some updates to my module List::Gen, I decided to add a ->pick(num) method, which will return a num sized list of random elements from its source.To test this, I used srand to seed[详细]

2023-02-26 20:19 分类：问答

How would I call a function several times changing the random numbers inside the function every time it is called?

I am making a game for my C class (actually remaking one) and I have a function that produces random prices.The problem is that I need to call this function 60 times throughout the game and have the n[详细]

2023-02-25 21:42 分类：问答

srand seed consistency between physical machines

I\'m not quite sure how to phrase this question, but I couldn\'t find any others like it. Say I have this code:[详细]

2023-02-16 04:57 分类：问答

Random Number PHP Confusion

So lets say I have 2 numbers in decimals (eg .75 and .25). I am t开发者_JAVA技巧rying to make a function that gets these 2 numbers and chooses a \"winner\" randomly but based on those 2 numbers\' perc[详细]

2023-02-12 06:21 分类：问答

Random numbers in POSIX C API

I\'m looking to generate large, non-negative integer random values on a POSIX system. I\'ve found 2 possible functions that fit the bill, and their respective initializers:[详细]

2023-02-08 04:00 分类：问答