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  1. How does rand() work in C? - Stack Overflow

    Oct 28, 2015 · The rand() function returns a pseudo-random integer in the range 0 to RAND_MAX inclusive (i.e., the mathematical range [0, RAND_MAX]). The srand() function sets its …

  2. How to generate a random int in C? - Stack Overflow

    Aug 4, 2015 · Many implementations of rand() cycle through a short list of numbers, and the low bits have shorter cycles. The way that some programs call rand() is awful, and calculating a …

  3. rand() function in c++ - Stack Overflow

    Sep 27, 2011 · The c++ rand () function gives you a number from 0 to RAND_MAX (a constant defined in <cstdlib>), which is at least 32767. (from the c++ documentation) The modulus (%) …

  4. How do I get a specific range of numbers from rand ()?

    Jul 30, 2009 · M + rand() / (RAND_MAX / (N - M + 1) + 1) (Note, by the way, that RAND_MAX is a constant telling you what the fixed range of the C library rand function is. You cannot set …

  5. c++ - How does modulus and rand () work? - Stack Overflow

    Oct 24, 2013 · A second lesson is that this shows another way in which <random> is easier to use than rand() and manually computing your own distributions. The built-in …

  6. Why is the use of rand() considered bad? - Stack Overflow

    Oct 18, 2018 · Usage of rand() is usually frowned upon despite using a seed via srand(). Why would that be the case? What better alternatives are available?

  7. Generate a value between 0.0 and 1.0 using rand () - Stack Overflow

    The OP's reasoning for trying it was wrong, but had this been necessary, the UB could've been avoided by adding 1.0 instead of 1, which would coerce RAND_MAX to double type and so …

  8. How does rand() work? Does it have certain tendencies? Is there ...

    Aug 23, 2010 · The actual implementation of the random number generator is left unspecified, so the actual behavior is specific to the implementation. The important thing to remember is that …

  9. c - How does srand relate to rand function? - Stack Overflow

    printf("%d\n", rand() % 50); Where is the connection between rand and srand? What I mean or expect is I assume rand () will get some parameter from srand () so it knows to generate …

  10. What's the Right Way to use the rand () Function in C++?

    srand(rand()); This basically just did the same as the program did in the first place but outputted a different set of numbers (which makes sense since the first number generated by rand () is …