Question

c#求数组中各元素的和的代码

Answer 1

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace ConsoleApplication33
{
class Program
{
static void Main(string[] args)
{
int[] arr = { 10, 21, 79, 32, 25, 83, 17 };
Console.WriteLine("元素之和是：{0}", arr.Sum().ToString());
Console.ReadKey();
}
}
}

C#数组已经实现了Sum()方法，直接调用求和。给分吧

Answer 2

int sum = 0;
int[] a = { 1, 2, 3, 4, 5, 3, 4, 2, 3 };
for (int i = 0; i < a.Length; i++)
{
sum += a[i];
}
Response.Write(sum);

Answer 3

int num = 0;
int[] a = { 0,1,2,3,... };
for (int i = 0; i < a.Length; i++)
{
num += a[i];
}
Console.WriteLine(num):

Answer 4

int[] arg={1,2,3,4,5}
int sum=0;
foreach(int a in arg)
{
sum+=a;
}
return sum

Answer 5

int[] arg={1,2,3,4,5}
int sum=0;
foreach(int a in arg)
{
sum+=a;
}
return sum;