ALDS1_2_B-Selection Sort

Selection Sort
Write a program of the Selection Sort algorithm which sorts a sequence A in ascending order. The algorithm should be based on the following pseudocode:

SelectionSort(A)
1 for i = 0 to A.length-1
2 mini = i
3 for j = i to A.length-1
4 if A[j] < A[mini]
5 mini = j
6 swap A[i] and A[mini]
Note that, indices for array elements are based on 0-origin.

Your program should also print the number of swap operations defined in line 6 of the pseudocode in the case where i ≠ mini.

Input
The first line of the input includes an integer N, the number of elements in the sequence.

In the second line, N elements of the sequence are given separated by space characters.

Output
The output consists of 2 lines.

In the first line, please print the sorted sequence. Two contiguous elements of the sequence should be separated by a space character.

In the second line, please print the number of swap operations.

Constraints
1 ≤ N ≤ 100

Sample Input 1
6
5 6 4 2 1 3
Sample Output 1
1 2 3 4 5 6
4

Sample Input 2
6
5 2 4 6 1 3
Sample Output 2
1 2 3 4 5 6
3

---

#include<iostream>
#include<cstdio>
#include<cmath>
using namespace std;

// 选择排序法
int selectionSort(int A[], int n) {
    int cnt = 0;

    for (int i = 0; i < n; i++) {
        int minj = i;
        for (int j = i; j < n; j++) {
            if (A[j] < A[minj])
                minj = j;
        }
        if (i != minj)
            swap(A[i], A[minj]), cnt++;
    }
    return cnt;
}
int main() {
    int n, A[110];
    scanf("%d", &n);
    for (int i = 0; i < n; i++)
        scanf("%d", &A[i]);

    int cnt = selectionSort(A, n);
    for (int i = 0; i < n; i++)
        printf("%d%c", A[i], i == n - 1 ? '\n' : ' ');
    printf("%d\n", cnt);
    return 0;
}