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| // 计数排序.cpp: 定义控制台应用程序的入口点。
//
#include "stdafx.h"
#include <iostream>
#include <cstdlib>
#include <ctime>
using namespace std;
#define MAX_SIZE 10
void CountintSort(int a[], int size)
{
int count[MAX_SIZE + 1] = { 0 };
for (int i = 0; i < MAX_SIZE; i++)
{
count[a[i]] = count[a[i]] + 1;
}
int index = 0;
for (int i = 0; i <= MAX_SIZE; i++)
{
for (int j = 1; j <= count[i]; j++)
{
a[index] = i;
index += 1;
}
}
}
int main()
{
srand(time(0));
int a[MAX_SIZE];
for (int i = 0; i < MAX_SIZE; i++)
{
a[i] = rand() % MAX_SIZE + 1;
}
for (int i = 0; i < MAX_SIZE; i++)
{
cout << a[i] << " ";
}
cout << endl;
CountintSort(a, MAX_SIZE);
for (int i = 0; i < MAX_SIZE; i++)
{
cout << a[i] << " ";
}
cout << endl;
return 0;
}
|