选择排序

import java.util.Arrays;

public class SelectionSort {

    private static void selectionSort(int[] nums) {
        for (int i = 0, n = nums.length; i < n - 1; ++i) {
            int minIndex = i;
            for (int j = i; j < n; ++j) {
                if (nums[j] < nums[minIndex]) {
                    minIndex = j;
                }
            }
            swap(nums, minIndex, i);
        }
    }

    private static void swap(int[] nums, int i, int j) {
        int t = nums[i];
        nums[i] = nums[j];
        nums[j] = t;
    }

    public static void main(String[] args) {
        int[] nums = {1, 2, 7, 9, 5, 8};
        selectionSort(nums);
        System.out.println(Arrays.toString(nums));
    }
}

function selectionSort(inputArr) {
    let len = inputArr.length;
    for (let i = 0; i <= len - 2; i++) {
        let j = i;
        let min = j;
        while (j <= len - 1) {
            if (inputArr[j] < inputArr[min])
                min = j;
            j++;
        }
        let temp = inputArr[i];
        inputArr[i] = inputArr[min];
        inputArr[min] = temp;
    }
    return inputArr;
}

let arr = [6, 3, 2, 1, 5];
console.log(selectionSort(arr))

package main

import "fmt"

func selectionSort(nums []int) {
	for i, n := 0, len(nums); i < n-1; i++ {
		minIndex := i
		for j := i + 1; j < n; j++ {
			if nums[j] < nums[minIndex] {
				minIndex = j
			}
		}
		nums[minIndex], nums[i] = nums[i], nums[minIndex]
	}
}

func main() {
	nums := []int{1, 2, 7, 9, 5, 8}
	selectionSort(nums)
	fmt.Println(nums)
}