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 argument as …

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 (%) operator gives …

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 …

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 uniform_int_distribution allows …

Jul 22, 2018 · me gustaria si me pudieran explicar bien cual es la diferencia, me confundo mucho con rand y srand, ¿cual es la diferencia? He buscado en otros sitios, pero confundo más. Gracias.

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?

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 avoid the integer …

Aug 21, 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 rand does …

Jul 25, 2013 · randomnumber = rand() % 10; printf("%d\n", randomnumber); return 0; } This is a simple program where randomnumber is an uninitialized int variable that is meant to be printed as a random …

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 always …