c#1到100的偶数和.int i = 0;int sum = 0;do{sum = sum + (i + 2);i += 2;} while (i < 100);//循环条件Console.WriteLine("1-100之间的偶数和为{0}",sum);Console.ReadKey();我这么写对吗?
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![c#1到100的偶数和.int i = 0;int sum = 0;do{sum = sum + (i + 2);i += 2;} while (i < 100);//循环条件Console.WriteLine(](/uploads/image/z/3180536-8-6.jpg?t=c%231%E5%88%B0100%E7%9A%84%E5%81%B6%E6%95%B0%E5%92%8C.int+i+%3D+0%3Bint+sum+%3D+0%3Bdo%7Bsum+%3D+sum+%2B+%28i+%2B+2%29%3Bi+%2B%3D+2%3B%7D+while+%28i+%3C+100%29%3B%2F%2F%E5%BE%AA%E7%8E%AF%E6%9D%A1%E4%BB%B6Console.WriteLine%28%221-100%E4%B9%8B%E9%97%B4%E7%9A%84%E5%81%B6%E6%95%B0%E5%92%8C%E4%B8%BA%7B0%7D%22%2Csum%29%3BConsole.ReadKey%28%29%3B%E6%88%91%E8%BF%99%E4%B9%88%E5%86%99%E5%AF%B9%E5%90%97%3F)
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c#1到100的偶数和.int i = 0;int sum = 0;do{sum = sum + (i + 2);i += 2;} while (i < 100);//循环条件Console.WriteLine("1-100之间的偶数和为{0}",sum);Console.ReadKey();我这么写对吗?
c#1到100的偶数和.
int i = 0;
int sum = 0;
do
{
sum = sum + (i + 2);
i += 2;
} while (i < 100);//循环条件
Console.WriteLine("1-100之间的偶数和为{0}",sum);
Console.ReadKey();
我这么写对吗?
c#1到100的偶数和.int i = 0;int sum = 0;do{sum = sum + (i + 2);i += 2;} while (i < 100);//循环条件Console.WriteLine("1-100之间的偶数和为{0}",sum);Console.ReadKey();我这么写对吗?
sum = sum + (i + 2);
改成:
sum = sum + i;
不过用 Do 循环而且每次加2这么计算有点儿……怎么说呢,不能说不对,只能说和普通写法不太一样.
int sum = 0;
for (int i = 1; i <= 100; i++)
{
if (i % 2 == 0)
{
sum += i;
}
}
Console.WriteLine("1-100之间的偶数和为{0}", sum);