排序算法之冒泡排序 C++和PHP实现

标签：冒泡排序   排序算法   算法   随机数组   

<?php
 $n = 8;
 $min = 1;
 $max = 100;
 $data = createData($n, $min, $max);
 echo "随机生成数组：";
 print_r($data);
 echo "<br />";
 bubble_sort($data, $n);
 
    //生成一个随机数组成的不重复数组
 function createData($n, $min, $max){
     $bigarr = range($min, $max);
  $arrkey = array_rand($bigarr, $n); //返回键名
  for($i=0; $i<count($arrkey); $i++){
      $arr[] = $bigarr[$arrkey[$i]];
  }
  return $arr;
 }
 
 //冒泡排序函数
 function bubble_sort($data, $n)
 {
  $flag = 0;
  for($i=0; $i<$n-1; $i++){
   for($j=0; $j<$n-$i-1; $j++){
    if($data[$j+1] < $data[$j]){
     $flag = 1;
     $temp = $data[$j];
     $data[$j] = $data[$j+1];
     $data[$j+1] = $temp;
    }
   }
   if (!$flag){
    break;
   }
   $flag = 0;
   echo "排序过程 ".($i+1)." 步:";
   print_r($data);
   echo "<br/>";
  }
  echo "排序后的结果：";
  print_r($data);
 }
?>

#include<iostream>
#include<stdlib.h>
#include<time.h>
using namespace std;
int createData(int arr[], int n, int min, int max);
void bubble_sort(int *a, int n);
int main()
{
    int arr[100];
    int n=6;
    int min=2;
    int max=12;
    createData(arr, n, min, max);
    for (int i=0; i<n; i++)
        cout << arr[i] << " ";
    cout << endl;
    bubble_sort(arr, n);
    for (int j=0; j<n; j++)
        cout << arr[j] << " ";
    cout << endl;
    return 1;
}
 //生成一个随机数组成的不重复数组
int createData(int arr[], int n, int min, int max)
{
    srand(time(NULL));
    int i,j,flag;
    for(i=0; i<n; i++){
        do{
            int num = min + rand()%(max-min+1);
            arr[i] = num;
            flag = 0;
            for(j=0; j<i; j++){
               if( arr[i] == arr[j])
                   flag = 1;
            }
        }while(flag);
    }
    return 1;
}
 //冒泡排序函数
void bubble_sort(int *a, int n)
{
    bool flag = true;
    int k = n;
    while(flag)
    {
        flag = false;
        for(int i=1; i<k; i++)
        {
            if(a[i-1] > a[i])
            {
                int tmp = a[i];
                a[i] = a[i-1];
                a[i-1] = tmp;
                flag = true;
            }
        }
        k--;
    }
}

排序算法之冒泡排序 C++和PHP实现

标签：冒泡排序   排序算法   算法   随机数组   

原文地址：http://blog.csdn.net/guugle2010/article/details/41309341