Bogo排序

 function bogosort(arr)
   while arr is not ordered
       arr := 隨機排列(arr)

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

void swap(void *a,void *b){
    unsigned char *p=a;
    unsigned char *q=b;
    unsigned char tmp;
    tmp=*p;
    *p=*q;         
    *q=tmp;        
}
/* 洗牌函數 */
void shuffle(void *x,int size_elem,int total_elem){
    int i;
    for(i=total_elem-1;i>=0;--i){
        int r=rand()%(i+1);
        swap(x+r*size_elem,x+i*size_elem);
    }
}

int main(int argc,char *argv[]){
    /* 為了洗牌而需要隨機化函數，此處的函數具有偽隨機性 */
    srand((unsigned)time(NULL));
    int l[]={5,2,1,3,4};
    int n;
    n=sizeof(l)/sizeof(l[0]);
    /* 先設陣列未排序=0,已排序=1 */
    int isSort=0;
    int i;
    while(!isSort){
        /* 進行洗牌動作 */
        /* 等同於從搖獎機或籤筒裡依序抽出n個數 */
        /* 也等同於從搖獎機或籤筒裡抽出2個數x跟y並交換l[x]與l[y]（Bozo排序） */
        shuffle(l,sizeof(l[0]),n);
        isSort=1;
        /* 檢查從搖獎機或籤筒裡所抽出來的數是否比前一個數還大 */
        for(i=0;i<n-1;i++){
            if(l[i]>l[i+1]){ /* 若較大的陣列編號的值比較小時則重新洗牌 */
                isSort=0;
                break;
            }
        }
    }
    for(i=0;i<n;i++){
        printf("%d ",l[i]);
    }
    printf("\n");
}

from random import shuffle
from itertools import izip, tee

def in_order(my_list):
    """Check if my_list is ordered"""
    it1, it2 = tee(my_list)
    it2.next()
    return all(a<=b for a,b in izip(it1, it2))

def bogo_sort(my_list):
    """Bogo-sorts my_list in place."""
    while not in_order(my_list):
        shuffle(my_list)

Random random = new Random();

public void bogoSort(int[] n) {
    while(!inOrder(n)){
        shuffle(n);
    }
}

public void shuffle(int[] n) {
    for (int i = 0; i < n.length; i++) {
        int swapPosition = random.nextInt(i + 1);
        int temp = n[i];
        n[i] = n[swapPosition];
        n[swapPosition] = temp;
    }
}

public boolean inOrder(int[] n) {
    for (int i = 0; i < n.length-1; i++) {
        if (n[i] > n[i+1]) {
            return false;
        }
    }
    return true;
}

# Julia Sample : BogoSort

function inOrder(A)
	for i=1:length(A)-1
		if A[i]>A[i+1]
			return false
		end
	end
	return true
end

function BogoSort(A)
	while (!inOrder(A))
		# Shuffle
		for i=1:length(A)
			r = rand(1:length(A))
			A[i],A[r]=A[r],A[i]
		end
	end
	return A
end

# Main Code
A = [16,586,1,31,354,43,3]
println(A)               # Original Array
println(BogoSort2(A))     # Bogo Sort Array