排序

冒泡排序

#include <iostream>
using namespace std;

int main() {

    int arr[6] = { 0 };
    int len = sizeof(arr) / sizeof(int);
    
    for (int i = 0; i < len; i++) {
        cin >> arr[i];
    }
    
    // write your code here......
    for (int i = 0; i < len; i++)
    {
        for(int j = 0; j < len - 1 - i; j++)
        {
            if(arr[j] > arr[j + 1])
            {
                int temp = arr[j];
                arr[j] = arr[j + 1];
                arr[j + 1] = temp;
            }
        }
    }

    for (int i = 0; i < len; i++) {
        cout << arr[i] << " ";
    }

    return 0;
}

选择排序

#include <iostream>
using namespace std;

int main() {

    int arr[6] = { 0 };
    int len = sizeof(arr) / sizeof(int);
    
    for (int i = 0; i < len; i++) {
        cin >> arr[i];
    }
    
    // write your code here......
    for (int i = 0; i < len; i++)
    {
        for(int j = i + 1; j < len; j++)
        {
            if(arr[i] > arr[j])
            {
                int temp = arr[i];
                arr[i] = arr[j];
                arr[j] = temp;
            }
        }
    }

    for (int i = 0; i < len; i++) {
        cout << arr[i] << " ";
    }

    return 0;
}