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 uniform_int_distribution allows you to directly state the desired, inclusive range.
How to generate a random int in C? - Stack Overflow
STL doesn't exist for C. You have to call rand, or better yet, random. These are declared in the standard library header stdlib.h. rand is POSIX, random is a BSD spec function. The difference between rand and random is that random returns a much more usable 32-bit random number, and rand typically returns a 16-bit number.
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 (%) operator gives the remainder after dividing.
How do I get a specific range of numbers from rand ()?
Jul 30, 2009 · Here is my answer there, which contains the definition for my int utils_rand(int min, int max) func, which returns a random number using rand() which is in the specific range from min to max, inclusive, thereby also answering this question.
How does rand () work in C? - Stack Overflow
Oct 28, 2015 · The rand() function takes the 'seed' to produce the next random output value, then generates a new 'seed' from the old 'seed' then returns the 'random' output value
generate a random number between 1 and 10 in c - Stack Overflow
Jul 24, 2013 · #include <stdio.h> #include <stdlib.h> int main() { int randomnumber; 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 number between 1 and 10. However, it always prints the same number whenever I run over and over again. Can somebody please help and tell me ...
rand () between 0 and 1 - Stack Overflow
Why the +1? Let's say RAND_MAX=2, so rand () return 0 or 1 or 2 if you want it to return a number between 0 and 1 shouldn't you divide it by 2 instead of 3?
Why do I always get the same sequence of random numbers with …
To quote from man rand : The srand () function sets its argument as the seed for a new sequence of pseudo-random integers to be returned by rand (). These sequences are repeatable by calling srand () with the same seed value. If no seed value is provided, the rand () function is automatically seeded with a value of 1.
Getting random numbers in Java - Stack Overflow
May 5, 2011 · I would like to get a random value between 1 to 50 in Java. How may I do that with the help of Math.random();? How do I bound the values that Math.random() returns?
How to generate a random number in C++? - Stack Overflow
Nov 19, 2012 · The overall interface of std::rand() isn't very intuitive for the proper generation of pseudo-random numbers between a given range, e.g., producing numbers between [1, 6] the way @Predictability wanted. The common usage of std::rand() eliminates the possibility of a uniform distribution of pseudo-random numbers, because of the Pigeonhole Principle.