第四天学习内容 if switch for 的练习
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace ConsoleApplication1
{
class Program
{
static void Main(string[] args)
{
/* Console.WriteLine("请输入公里数:");
double a = Convert.ToDouble(Console.ReadLine());
double b;
if (a<=3&&a>0)
{
b = 8;
}
else
{
b = 8 + 1.5 * (a-3);
}
Console.WriteLine("您应付的车费为:" + b+"元");
Console.ReadKey();*/
/*企业发放奖金根据利润提成:利润i<=100000元的,奖金可提10%;
* 100000《i《=200000元是,低于100000的按10%提,高于100000的部分,可提7.5%;
* 200000《i《=400000元时,低于200000的部分仍按上述办法提成(下同),高于200000的按5%提成;
* 400000《i《=600000元时,高于400000的部分按3%提成;
* 600000《i《=1000000元时,高于600000的部分按1.5%提成;
* i》1000000时,超过1000000的部分按1%提成。
* 从键盘输入当月利润,求应发奖金
*
*
Console.WriteLine("请输入当月利润");
double i = Convert.ToDouble(Console.ReadLine());
int m1 = 100000, m2 = 200000, m3 = 400000, m4 = 600000, m5 = 1000000;
double m;
if (i>0&&i<=m1)
{
m = 0.1 * i;
}
else
{
if (i>m1&&i<=m2)
{
m = m1*0.1 + (i - m1) * 0.075;
}
else
{
if (i>m2&&i<=m3)
{
m = m1 * 0.1 + (m2 - m1) * 0.075 + (i - m2) * 0.05;
}
else
{
if (i>m3&&i<=m4)
{
m = m1 * 0.1 + (m2 - m1) * 0.075 + (m3 - m2) * 0.05 + (i - m3) * 0.03;
}
else
{
if (i>m4&&i<=m5)
{
m = m1 * 0.1 + (m2 - m1) * 0.075 + (m3 - m2) * 0.05 + (m4 - m3) * 0.03 + (i - m4) * 0.015;
}
else
{
m = m1 * 0.1 + (m2 - m1) * 0.075 + (m3 - m2) * 0.05 + (m4 - m3) * 0.03 + (m5 - m4) * 0.015 + (i - m5) * 0.01;
}
}
}
}
}
Console.WriteLine("应发奖金数:"+m);
Console.ReadKey();
/* 用switch语句写 if (i >= 1000000)
{
c = 10;
}
else
{
c = i / 100000;
}
switch (c)
{
case 0: m = 0.1 * i;
* case 1: m = m1*0.1 + (i - m1) * 0.075;
.
* .
* .
* case 10:
default:
break;
//做一个计算器
Console.WriteLine("请输入两个数");
double a=Convert.ToDouble( Console.ReadLine());
double b = Convert.ToDouble(Console.ReadLine());
double c=0;
Console.WriteLine("请输入一个运算符");
string x = Console.ReadLine();
switch (x)
{
case ("+"):
c = a + b;
break;
case ("-"):
c = a - b;
break;
case ("*"):
c = a * b;
break;
case ("/"):
c = a / b;
break;
case ("%"):
c = a % b;
break;
default:
Console.WriteLine("输入有误");
break;
}
Console.WriteLine(a+x+b+"="+c);
Console.ReadKey();
// 打印n个你好
Console.WriteLine("输入n的值");
int n = Convert.ToInt32(Console.ReadLine());
for (int i = 0; i < n; i++)
{
Console.WriteLine("你好");
}
Console.ReadKey();
//100以内的奇偶数
for (int i = 0; i < 100; i++)
{
if (i%2==0)
{
Console.WriteLine(i + "是偶数");
}
else
{
Console.WriteLine("\t"+i + "是奇数");
}
}
Console.ReadKey();
//打印星星
Console.WriteLine("输入n的值");
int n = Convert.ToInt32(Console.ReadLine());
string x = "";
string y = "★";
for (int i = 0; i < n; i++)
{
x = x + y;
Console.WriteLine(x);
}
Console.WriteLine("------------------");
for (int i = n; i>=0 ; i--)
{
for (int z = 1; z <=i; z++)
{
Console.Write(y);
}
Console.Write("\n");
}
Console.ReadKey();
/
///求和
Console.WriteLine("输入n的值");
int n=Convert.ToInt32( Console.ReadLine());
int sum = 0;
for (int i = 0; i <=n; i++)
{
sum = sum + i;
}
Console.WriteLine(sum);
Console.ReadKey();
////打印空格加&
Console.WriteLine("请输入n的值:");
int n = Convert.ToInt32(Console.ReadLine());
string x = "";
string y = "&";
for (int i = 0; i<=n; i++)
{
for (int i1 = 0; i1 <n-i; i1++)
{
Console.Write(" ");
}
x = x + y;
Console.WriteLine(x);
}
Console.ReadKey(); */
Console.WriteLine("输入节数");
int a = Convert.ToInt32(Console.ReadLine());
int sum = 0;
if (a>100)
{
Console.WriteLine("你的输入有误");
}
else
{
for (int i = 1; i <= a; i++)
{
if (i < 50)
{
sum = sum+i;
}
else
{
sum += 10;
}
}
}
Console.WriteLine("您得到的分数是" + sum);
Console.ReadKey();
}
}
}