原理图
#include <iostream>
#include <algorithm>
using namespace std;
int main() {
int arr[6] = { 6,5,4,3,2,1 };
int min, temp;
for (int i = 0; i < 6; i++)
{
min = i;
for (int j = i + 1; j < 6; j++)
if (arr[j] < arr[i])
min = j;
temp = arr[min];
arr[min] = arr[i];
arr[i] = temp;
}
for (int i = 0; i < 6; i++)
cout << arr[i] << " ";
cout << endl;
system("pause");
return 0;
}