gistfile1.go

package main

import (
	"fmt"
	"math/rand"
	"time"
)

var manos [][]int
var baraja []int

func main() {
	rand.Seed(time.Now().UTC().UnixNano())

	inicializarManos()
	crearBaraja()
	start()
}

func inicializarManos() {
	manos = make([][]int, 4)
	for i := 0; i < 4; i++ {
		manos[i] = make([]int, 4)
	}
}

func crearBaraja() {
	baraja = make([]int, 40)
	for i := range baraja {
		if i < 8 {
			baraja[i] = 1 // cerdos
		} else {
			baraja[i] = 0 // resto
		}
	}
}

func start() {
	var i = 0
	for {
		if jugada() {
			fmt.Println("Encontrado ", i)
			fmt.Println(manos[0])
			fmt.Println(manos[1])
			fmt.Println(manos[2])
			fmt.Println(manos[3])

		}
		i++
	}
}

func barajar() {
	Shuffle(baraja)
}

func jugada() bool {
	barajar()
	for i := 0; i < 4*4; i++ {
		indiceMano := i % 4
		indiceCarta := i / 4
		manos[indiceMano][indiceCarta] = baraja[i]
	}
	return comprobar()
}

func comprobar() bool {
	return (todoReyes(manos[0]) && todoReyes(manos[1])) ||
		(todoReyes(manos[0]) && todoReyes(manos[3])) ||
		(todoReyes(manos[1]) && todoReyes(manos[2])) ||
		(todoReyes(manos[2]) && todoReyes(manos[3]))
}

func todoReyes(mano []int) bool {
	for i := 0; i < 4; i++ {
		valor := mano[i]
		if valor != 1 {
			return false
		}
	}
	return true
}

func Shuffle(a []int) {
	for i := range a {
		j := rand.Intn(i + 1)
		a[i], a[j] = a[j], a[i]
	}
}