jiniux

/*
 
 If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23.

 Find the sum of all the multiples of 3 or 5 below 1000.
 
 */

import Foundation

jiniux

/*
 
 Each new term in the Fibonacci sequence is generated by adding the previous two terms. By starting with 1 and 2, the first 10 terms will be:

 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, ...

 By considering the terms in the Fibonacci sequence whose values do not exceed four million, find the sum of the even-valued terms.
 
 */

jiniux

/*
 
 The prime factors of 13195 are 5, 7, 13 and 29.

 What is the largest prime factor of the number 600851475143 ?
 
 */

import Foundation

jiniux

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#define TOTAL_LETTERS 26
#define KEY           13

char rotc(char ch, int key) {
    if (ch >= 'A' && ch <= 'Z') {
        return 'A' + ((ch - 'A' + key) % TOTAL_LETTERS);

jiniux

use std::{error::Error, env::args, fs::File, io::Read};

fn load_input(path : &str) -> Result<Vec<i64>, std::io::Error> {
    let mut file = File::open(path)?;
    
    let mut data = String::new();
    file.read_to_string(&mut data)?;

    let data : Vec<i64> = data.split('\n')
        .map(|line| line.parse::<i64>().unwrap_or(0)).collect();

jiniux

use std::{error::Error, env::args, fs::File, io::Read};

fn load_input(path : &str) -> Result<Vec<i64>, std::io::Error> {
    let mut file = File::open(path)?;
    
    let mut data = String::new();
    file.read_to_string(&mut data)?;

    let data : Vec<i64> = data.split('\n')
        .map(|line| line.parse::<i64>().unwrap_or(0)).collect();

jiniux

use std::{env::args, error::Error, fs::File, ops::RangeInclusive, io::Read};

type PasswordPolicy = (RangeInclusive<u32>, char, String);

fn load_input(path : &str) -> Result<Vec<PasswordPolicy>, std::io::Error> {
    let mut file = File::open(path)?;
    
    let mut data = String::new();
    file.read_to_string(&mut data)?;

jiniux

use std::{env::args, error::Error, fs::File, ops::RangeInclusive, io::Read};

type PasswordPolicy = (RangeInclusive<u32>, char, String);

fn load_input(path : &str) -> Result<Vec<PasswordPolicy>, std::io::Error> {
    let mut file = File::open(path)?;
    
    let mut data = String::new();
    file.read_to_string(&mut data)?;

jiniux

use std::{env::args, error::Error, fs::File, io::Read};

enum MapEntity {
    Tree,
    Square
}

struct Map {
    pattern : Vec<Vec<MapEntity>>,

jiniux

use std::{env::args, error::Error, fs::File, io::Read};

enum MapEntity {
    Tree,
    Square
}

struct Map {
    pattern : Vec<Vec<MapEntity>>,