行权重【难度:1级】:

答案1:

using System.Linq;
class Kata
{
    public static int[] RowWeights(int[] a)
    {
       return new int[] { a.Select((x, y) => y % 2 == 0 ? x : 0).Sum(), a.Select((x, y) => y % 2 == 0 ? 0 : x).Sum() };
    }
}​

答案2:

class Kata
{
    public static int[] RowWeights(int[] a)
    {
        int[] ret = new int[2];
        
        for(int i = 0; i < a.Length; i++)
        {
          if(i % 2 == 0)
          {
            ret[0] += a[i];
          }
          else
          {
            ret[1] += a[i];
          }
        }
        
        return ret;
    }
}​

答案3:

using System.Linq;

class Kata
{
    public static int[] RowWeights(int[] a)
    {
        return new int[]{a.Where((x,i) => i % 2 == 0).Sum(), a.Where((x,i) => i % 2 != 0).Sum()};
    }
}​

答案4:

using System.Collections.Generic;
using System.Linq;

class Kata
{
    public static int[] RowWeights(int[] numbers)
    {
        return new int[]
            {
                numbers.Where((n, index) => index % 2 == 0).Sum(),
                numbers.Where((n, index) => index % 2 == 1).Sum()
            };
    }
}​

答案5:

class Kata
{
    public static int[] RowWeights(int[] a)
    {
      int[] result = new int[2];

      for (int i = 0; i < a.Length; i++)
      {
          if (i % 2 == 0)
              result[0] += a[i];
          else
              result[1] += a[i];
      }

      return result;
    }
}​

答案6:

class Kata
{
    public static int[] RowWeights(int[] a)
    {
        int[] result = new int[2];

        for(int i = 0; i < a.Length; i++)
        {
          if (i % 2==0)
          {
            result[0] += a[i];
          }
          else
            result[1] += a[i];
        }
        
        return result;
    }
}​

答案7:

class Kata
{
    public static int[] RowWeights(int[] a)
    {
        int weightTeam1 = 0;
        int weightTeam2 = 0;
        for (int i = 0; i < a.Length; i++)
        {
            if (i % 2 == 0)
            {
                weightTeam1 += a[i];
            }
            else
            {
                weightTeam2 += a[i];
            }
        }
        return new int[] { weightTeam1, weightTeam2 };
    }
}​

答案8:

using System.Linq;

public class Kata
{
    public static int[] RowWeights(int[] a) =>
        a.Length == 1 ? new int[] { a[0], 0 } : 
            new int[] {a.Select((x,i)=> i%2==0 ? x : 0).Sum(), a.Select((x,i)=>i%2==1 ? x : 0).Sum()};
}​

答案9:

class Kata
{
    public static int[] RowWeights(int[] a)
    {
        var result = new int[2];
        for(int i = 0; i < a.Length; i++)
        {
          if(i % 2 == 0)
            result[0] += a[i];
          else 
            result[1] += a[i];
        }
        return result;
    }
}​

答案10:

class Kata
{
    public static int[] RowWeights(int[] a)
    {
        int weightTeam1 = 0;
        int weightTeam2 = 0;
        
        for (int i=0; i < a.Length; i++)
        {
          if (i % 2 == 0)
            weightTeam1 += a[i];
          else
            weightTeam2 += a[i];
        }
    
        return new int[2] {weightTeam1, weightTeam2};
    }
}​

答案11:

using System;
class Kata
{
    public static int[] RowWeights(int[] a)
    {
      int b = 0, c = 0; 
        for (int i = 0; i <= a.Length - 1; ++i)
        {
          if(i % 2 == 0)
          {
            b += a[i];
          }
          else
          {
            c += a[i];
          }
        }
        return new int[2]{b, c};
    }
}​

标签：练习题,景越,C#,RowWeights,int,static,result,new,public
来源： https://blog.csdn.net/weixin_45444821/article/details/100750737