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Coding dojo golf
const WIDTH = 8;
const HEIGHT = 8;
// https://www.coding-dojo-silesia.pl/golf
function point_free(x, y, people) {
const pLength = people.length;
for (let i = 0; i < pLength; i++) {
const person = people[i];
if (x === person.x && y === person.y)
return false;
}
return true;
}
function check_neighborhood(person, people) {
const pLength = people.length;
for (let i = 0; i < pLength; i++) {
const otherPerson = people[i];
if ((otherPerson.x >= person.x-1 && otherPerson.x <= person.x+1) && (otherPerson.y >= person.y-1 && otherPerson.y <= person.y+1) && otherPerson.s === 'S') {
return true;
}
}
return false;
}
function next_iteration(people) {
people.forEach(function(person, _) { // iterate in a sequence
cure(person);
if (person.s === 'S') person.i++;
person.n = gen_n(person.n);
[new_x, new_y] = gen_new_cords(person);
if (point_free(new_x, new_y, people) && person.q === 0) {
person.x = new_x;
person.y = new_y;
}
if (person.s === 'H' && check_neighborhood(person, people)) {
// https://en.wikipedia.org/wiki/Moore_neighborhood
person.s = 'S';
}
});
return people;
}
function cure(person) {
if (person.s === 'S' && person.i > 13) {
person.s = 'R';
person.i = 1;
}
}
function gen_n(n) {
n ^= n << BigInt(13);
n ^= n >> BigInt(17);
n ^= n << BigInt(5);
return n % BigInt(1 << 30);
}
function gen_new_cords(person) {
x = person.x;
y = person.y;
switch(person.n % BigInt(4)) {
case BigInt(0): x++; break;
case BigInt(1): x--; break;
case BigInt(2): y++; break;
case BigInt(3): y--; break;
}
// wrap points, like in pacman game
if (x >= WIDTH) {
x -= WIDTH;
} else if (x < 0) {
x += WIDTH;
}
if (y >= HEIGHT) {
y -= HEIGHT;
} else if (y < 0) {
y += HEIGHT;
}
return [x, y];
}
function get_people(peopleString) {
peopleUnparsed = peopleString.split(",");
let people = [];
peopleUnparsed.forEach(function(item, _) {
let person = {};
person.x = Number(item[0]);
person.y = Number(item[1]);
person.s = item[2];
person.q = Number(item[3]);
person.n = BigInt((person.x << 2) ^ 7 * (person.y << 3) ^ 5);
person.i = 1;
people.push(person);
});
return people;
}
function print_field(P) {
for (let i = 0; i < HEIGHT; i++) {
let string = '';
for (let j = 0; j < WIDTH; j++) {
const person = P.find(p => p.x === j && p.y === i);
if (person === undefined)
string += '.';
else
string += person.s;
}
console.log(string);
}
}
function main() {
const iterations = process.argv[2];
const peopleUnparsed = process.argv[3];
let people = get_people(peopleUnparsed);
for (let i = 0; i < iterations; i++) {
people = next_iteration(people);
}
print_field(people);
}
main();
import sys
# https://www.coding-dojo-silesia.pl/golf
WIDTH = 8
HEIGHT = 8
class Person:
def __init__(self, x, y, s, q):
self.x = int(x)
self.y = int(y)
self.s = s
self.q = int(q)
self.n = (self.x << 2) ^ 7 * (self.y << 3) ^ 5
self.i = 1
def point_free(x, y, people):
for person in people:
if x == person.x and y == person.y:
return False
return True
def check_neighborhood(person, people):
for otherPerson in people:
if (otherPerson.x >= person.x-1 and otherPerson.x <= person.x+1) and (otherPerson.y >= person.y-1 and otherPerson.y <= person.y+1) and otherPerson.s == 'S':
return True
return False
def next_iteration(people):
for person in people:
cure(person);
if person.s == 'S':
person.i += 1
person.n = gen_n(person.n)
[new_x, new_y] = gen_new_cords(person)
if point_free(new_x, new_y, people) and person.q == 0:
person.x = new_x
person.y = new_y
if person.s == 'H' and check_neighborhood(person, people):
person.s = 'S'
return people
def cure(person):
if person.s == 'S' and person.i > 13:
person.s = 'R'
person.i = 1
def gen_n(n):
n ^= n << 13
n ^= n >> 17
n ^= n << 5
return n % (1 << 30)
def gen_new_cords(person):
x = person.x
y = person.y
check = person.n % 4
if check == 0:
x += 1
if check == 1:
x -= 1
if check == 2:
y += 1
if check == 3:
y -= 1
if x >= WIDTH:
x -= WIDTH
elif x < 0:
x += WIDTH
if y >= HEIGHT:
y -= HEIGHT
elif y < 0:
y += HEIGHT
return [x, y]
def get_people(peopleString):
peopleUnparsed = peopleString.split(",")
people = []
for item in peopleUnparsed:
person = Person(item[0], item[1], item[2], item[3])
people.append(person)
return people
def print_field(people):
for i in range(0, HEIGHT):
string = ''
for j in range(0, WIDTH):
person = [x for x in people if x.x == j and x.y == i]
if len(person) == 0 :
string += '.'
else:
string += person[0].s
print(string)
def main():
iterations = int(sys.argv[1])
peopleUnparsed = sys.argv[2]
people = get_people(peopleUnparsed)
for i in range(0, iterations):
people = next_iteration(people)
print_field(people)
main()
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