寻找数组中和等于目标的下标

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using System;   namespace leecode1 {     class Program     {         static void Main(string[] args)         {             int target = 100;               int[] nums = { 1, 50, 40, 60 };               for(int i = 0; i < nums.Length; i++)             {                 for(int j = i+1; j < nums.Length; j++)                 {                     if (nums[i] + nums[j] == target)                     {                         Console.WriteLine(i);                         Console.WriteLine(j);                     }                 }             }                                         Console.WriteLine("Hello World!");             Console.ReadKey();         }     } }