杭电oj —— 2016

import java.util.Scanner;

public class HDU_oj2016 {
/*
 * 输入n(n<100)个数，找出其中最小的数，将它与最前面的数交换后输出这些数*/
	public static void main(String[] args) {
		Scanner sn = new Scanner(System.in);
		while(sn.hasNext()) {
			int n = sn.nextInt();
			if(n != 0) {
				int[] arr = new int[n];
				for(int i = 0;i < n;i++) {
					arr[i] = sn.nextInt();
				}
				modify(arr);
				for(int i = 0; i < arr.length-1; i++) {
					System.out.print(arr[i]+" ");
				}
				System.out.println(arr[arr.length-1]);
			}
		}
	}
	
	public static void modify(int[] arr) {
		int min = arr[0];
		int minIndex = 0;
		for(int i = 0; i < arr.length; i++) {
			if(min > arr[i]) {
				min = arr[i];
				minIndex = i;
			}	
		}
		if(minIndex != 0) {
			int temp = arr[minIndex];
			arr[minIndex] = arr[0];
			arr[0] = temp;
		}
		
	}
}