In this C program, We will learn to generate a sequence of N random numbers between 1 to M. This program takes N(count of random numbers to generates) as input from user and then generates N random numbers between 1 to M(here M = 1000).
It uses rand function of stdlib standard library. It returns a pseudo-random number in the range of 0 to RAND_MAX, where RAND_MAX is a platform dependent value(macro) that is equal to the maximum value returned by rand function.
To generate random numbers between 1 to 1000, we will evaluate rand() % 1000, which always return a value between [0, 999]. To get a value between [1, 1000] we will add 1
to the modulus value, that is rand()%1000 + 1/.
For Example:
(22456 % 1000) + 1 = 457C program to find n random numbers between 1 to 1000
#include<stdio.h>
#include<stdlib.h>
int main() {
int n, random;
printf("Enter number of random numbers\n");
scanf("%d", &n);
printf("%d random numbers between 0 to 1000\n", n);
while(n--){
random = rand()%1000 + 1;
printf("%d\n", random);
}
return 0;
}
Output
Enter number of random numbers 10 10 random numbers between 0 to 1000 243 52 625 841 352 263 582 557 173 625
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