leetcode两数之和

题目：两数之和

采用的是暴力枚举法

leetcode中代码为

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace 两数之和
{
   public class Class1
    {
    public int[] TwoSum(int[] nums, int target)
            {
                int[] index = new int[2];
                for (int i = 0; i < nums.Length - 1; i++)
                {
                    for (int j = i + 1; j < nums.Length; j++)
                    {
                        if (nums[j] == target - nums[i])
                        {index[0] = i;
                         index[1] = j;
                         break;
                         }
                        }
                       }
                       return index;
 }}}  

main（）函数代码块

static void Main(string[] args)
        { int length = Convert.ToInt32(Console.ReadLine());
            int[] a = new int[length];
            for(int i=0;i<length;i++)
            {
                a[i] = Convert.ToInt32(Console.ReadLine());
                
            }
            Class1 class1 = new Class1();
            Console.WriteLine( "[{0}]",string.Join(",",class1.TwoSum(a,9)));
            Console.ReadKey();
        }
    }
}