选择排序

// 不稳定排序

#include <iostream>
using namespace std;
int main() {
    int arr[100], tmp;
    for (int i = 0; i < 10; i++)
        cin >> arr[i];
    for (int j = 0; j <= 9; j++) {
        for (int k = j + 1; k < 10; k++) {
            if (arr[j] > arr[k]) {
                tmp = arr[j];
                arr[j] = arr[k];
                arr[k] = tmp;
            }
        }
    }
    for (int i = 0; i < 10; i++)
        cout << arr[i] << ' ';
    return 0;
}