generate_all_the_prime_numbers.c

#include <stdio.h>

int isPrime(int n) {
    if (n <= 1) {
        return 0;
    }
    for (int i = 2; i * i <= n; i++) {
        if (n % i == 0) {
            return 0;
        }
    }
    return 1;
}

void generatePrimes(int start, int end) {
    printf("Prime numbers between %d and %d are: ", start, end);
    for (int i = start; i <= end; i++) {
        if (isPrime(i)) {
            printf("%d ", i);
        }
    }
    printf("\n");
}

int main() {
    int start, end;
    
    scanf("%d", &start);
    
    scanf("%d", &end);

    generatePrimes(start, end);  // calling the function to generate prime numbers

    return 0;
}