stau.space
My omnium-gatherom of scripts and source code.
1/*
2 * =====================================================================================
3 *
4 * Filename: functions.c
5 *
6 * Description: code golf solutions
7 *
8 * Version: 1.0
9 * Created: 04/19/2023 09:42:21 PM
10 * Revision: none
11 * Compiler: clang
12 *
13 * Author: Sunglow
14 *
15 * =====================================================================================
16 */
17#include <stdlib.h>
18#include <stdio.h>
19
20void abundant(void) {
21 for (int i = 0; i <= 200; ++i) {
22 int accumulator = 0;
23
24 for (int j = 1; j < i; ++j) {
25 if (i % j == 0)
26 accumulator += j;
27 }
28 if (accumulator > i)
29 printf("%d\n", i);
30 }
31}
32
33void abundant_long(void) {
34 for (int i = 0; i <= 1000; ++i) {
35 int accumulator = 0;
36
37 for (int j = 1; j < i; ++j) {
38 if (i % j == 0)
39 accumulator += j;
40 }
41 if (accumulator > i)
42 printf("%d\n", i);
43 }
44}
45
46int collatz_calculator(const int n, int iteration) {
47 ++iteration;
48 if (n == 1) {
49 return iteration;
50 } else if (n % 2 == 0) {
51 iteration = collatz_calculator(n / 2, iteration);
52 } else {
53 iteration = collatz_calculator(n*3 + 1, iteration);
54 }
55 return iteration;
56}
57void collatz(void) {
58 for (int i = 1; i <= 1000; ++i)
59 printf("%d\n", collatz_calculator(i,0)-1);
60}
61
62/*
63void divisors(void) {
64 for (int i = 0; i <= 100; ++i) {
65 int arr[i/2];
66 for (int j = 1; j < i/2; ++j) {
67 }
68 }
69}
70*/