How to generate a random number in a given range in C.
Examples:
Input : Lower = 50,
Upper = 100,
Count of random Number = 5
Output : 91 34 21 88 29
Explanation: lower is the lower limit of the
range and upper is the upper limit of the range.
Output contains 5 random numbers in given range.
As C does not have an inbuilt function for generating a number in the range, but it does have rand function which generate a random number from 0 to RAND_MAX. With the help of rand () a number in range can be generated as num = (rand() % (upper – lower + 1)) + lower
// C program for generating a // random number in a given range. #include <stdio.h> #include <stdlib.h> #include <time.h> // Generates and prints ‘count‘ random // numbers in range [lower, upper]. void printRandoms(int lower, int upper, int count) { int i; for (i = 0; i < count; i++) { int num = (rand() % (upper - lower + 1)) + lower; printf("%d ", num); } } // Driver code int main() { int lower = 5, upper = 7, count = 1; // Use current time as // seed for random generator srand(time(0)); printRandoms(lower, upper, count); return 0; }
Generating random number in a range in C
原文：https://www.cnblogs.com/JasperZhao/p/12812800.html