数组a中有n个整数，试求出最小元素和第二小元素的下标，输出相应的值

Answer 1

using System;
using System.Linq;

class Test {
static void Main() {
var arr = new[] { 88, 20, 87, 31, 80, 1, 93, 84, 47, 53 }.ToList();
Console.WriteLine(arr.IndexOf(arr.Min()) + arr.IndexOf(arr.Where(n => n != arr.Min()).Min()));
}
}