期中考试第四小题
#编码
Console.WriteLine("点击率统计");
try
{
string str_a = "";
int a = 0;
int b = 0;
for (int i = 1; i <= 4; i++)
{
Console.Write("第{0}个点击率是:", i);
str_a = Console.ReadLine();
a = Convert.ToInt32(str_a);
if (a > 100)
{
b++;
}
}
Console.WriteLine("超过100的有{0}个", b);
double c = b / 4.0;
String d = c.ToString("P");
Console.Write("超过100占比:{0}", d);
}
catch
{
Console.WriteLine("输入错误");
}
Console.ReadKey();