using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

namespace ConsoleApplication5

{

class Program

{

static void Main(string[] args)

{

Console.WriteLine("使用While結構計算");

int oddSum = 0,evenSum=0, i = 1;

while (i <= 99)

{

oddSum += i;//這裡的i為奇數,從1開始,此表示式用於求奇數的和

i += 1;//i變為了偶數

evenSum += i;//用於求偶數和

i += 1;//i變為了下一個奇數

}

Console.WriteLine("從1到100的奇數和為{0}，偶數和為{1}", oddSum, evenSum);

Console.WriteLine();

Console.WriteLine("使用do While結構計算");

oddSum = 0;

evenSum = 0;

i = 1;

do

{

oddSum += i;

i += 1;

evenSum += i;

i += 1;

} while (i <= 99);

Console.WriteLine("從1到100的奇數和為{0}，偶數和為{1}", oddSum, evenSum);

Console.ReadKey();