r
R is a programming language and free software
environment for statistical computing and graphics
supported by the R Foundation for Statistical
Computing. The R language is widely used among
statisticians and data miners for developing
statistical software and data analysis.R
R is a programming language
and free software environment for statistical
computing and graphics supported by the R Foundation for Statistical Computing.
The R language is widely used among statisticians and data miners for developing statistical
software and data analysis.r
/*
* Source:
* https://en.wikipedia.org/wiki/Sieve_of_Eratosthenes
*
* Description:
* Calculates prime numbers till a number n
*
* Time Complexity:
* O(n log(log(n)))
*/
List<bool> sieve_of_eratosthenes(int n) {
// Input: n: int
// Output: is_prime: List<bool> denoting whether ith element is prime or not
List<bool> is_prime = new List.filled(n + 1, true);
is_prime[0] = false;
is_prime[1] = false;
for (int i = 2; i * i <= n; i++) {
if (is_prime[i]) {
for (int j = i * i; j <= n; j += i) {
// mark all multiples of i as false
is_prime[j] = false;
}
}
}
return is_prime;
}
main() {
// Prints all the primes under 50
List<bool> primes = sieve_of_eratosthenes(50);
for (int i = 2; i <= 50; i++) {
if (primes[i]) {
print(i);
}
}
}R
R - Functional programming language and environment for
statistical computing and graphics.
R's Awesome List
https://github.com/qinwf/awesome-R#readmeCopyright © 2021 Codeinu
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