C # input and output, type, operator, statement exercises

Please enter your name, age, work unit,
Stitched into a complete sentence
My name is * * *, this year * * years old, work in * * *.
Console.Write ("Please enter your name:");
String name = Console.ReadLine ();
Console.Write ("Please enter your Age:");
String age = Console.ReadLine ();
Console.Write ("Please enter your work unit:");
String Danwei = Console.ReadLine ();
Console.WriteLine ("Your name is" + name + ", the Age is" + Ages + "and the work unit is" + Danwei + ".) ");
Console.WriteLine ("Your name is {0}, the age is {1}, the work unit is {2}."} ", name, age, Danwei);

Excuse me, what time is it now?
Only answer hours 0~23
If morning AM
If the afternoon pm-12 the timekeeping
Console.Write ("Excuse me, what time is it?") ");
int time = Int. Parse (Console.ReadLine ());
if (time >= 0 && time <= 23)
{
String t = time > 12? (Time-=) + "PM": Time + "AM";
Console.WriteLine ("The time you entered is:" + t);
}
Else
{
Console.WriteLine ("You entered the wrong time");
}

//Blind Date process!!
//Q: Do you have a house? "Get Married"
//No "Are you rich?" "Have" to buy a house before marriage "
//No" then you have the ability? "Have" first make money, then buy a house, then marry "
//No" Baibai!!!!!!! "
Console.Write (" Do you have a house? ");
String x = Console.ReadLine ();
if (x = = "has")
{
Console.WriteLine ("You're married! ");
}
Else if (x = = "No")
{
Console.Write ("Are you rich?") ");
String y = Console.ReadLine ();
if (y = = "has")
{
Console.WriteLine ("Then you go to buy a house and then you get married!") ");
}
Else if (y = = "no")
{
Console.Write ("Do you have the ability to make money?") ");
String z = Console.ReadLine ();
if (z = = "has")
{
Console.WriteLine ("Then you try to make money, buy a house and get married!") ");
}
Else if (z = = "No")
{
Console.WriteLine ("You have no power, no money, no house, what do you do with a blind date?") Bye! ");
}
Else
{
Console.WriteLine ("You can't even answer my questions, I can't see your sincerity, bye! ");
}
}
Else
{
Console.WriteLine ("Please answer my question");
}
}
Else
{
Console.WriteLine ("Please answer my question");
}

There is a set of functions: y = x (x<1);
y = 2x-1 (1<=x<10);
y = 3x-11 (x>=10).
Inside the parentheses is the condition of the X.
Implement the function, arbitrarily enter an x value, output y value.
Console.Write ("Please enter a number:");
Double x = Double. Parse (Console.ReadLine ());
if (x < 1)
{
Double y = x;
Console.WriteLine (y);
}
else if (x < 10)
{
Double y = 2 * x-1;
Console.WriteLine (y);
}
Else
{
Double y = 3 * x-11;
Console.WriteLine (y);
}

Enter integers A and B,
If A2+B2 is greater than 100, the result of the output a2+b2
Otherwise the sum of two outputs
Console.Write ("Please enter an integer a:");
int a = Int. Parse (Console.ReadLine ());
Console.Write ("Please enter an integer b:");
int b = Int. Parse (Console.ReadLine ());
if (A * 2 + b * 2 > 100)
{
Console.WriteLine ("Result:" + (A * 2 + b * 2));
}
Else
{
Console.WriteLine ("Result:" + (A + b));
}

Enter a year to determine whether it is leap years
(a leap year is divisible by 400 for years that can be divisible by 4 but not divisible by 100)
Console.Write ("Please enter a year:");
int year = Int. Parse (Console.ReadLine ());
if (year >= 0 && year <= 9999)
{
if (year% 4 = = 0 && year%!! = 0 | | year% 400 = = 0)
{
Console.WriteLine ("The Year you entered is a leap years");
}
Else
{
Console.WriteLine ("The year you entered is not a leap years");
}
}
Else
{
Console.WriteLine ("You entered the wrong year");
}

Equation ax2+bx+c=0; one-dimensional two-time equation, root-finding
=B2-4AC; If the <0 equation is not real roots
If >0, the equation has two different real roots X1 x2
If =0, the equation has two identical real roots
Root Formula X1= (-B+MATH.SQRT ())/a*2
X2= (-B-MATH.SQRT ())/a*2
Console.WriteLine ("The root of the equation ax^2+bx+c=0");
Console.Write ("Please enter a value:");
Double A = double. Parse (Console.ReadLine ());
Console.Write ("Please enter the value of B:");
Double b = Double. Parse (Console.ReadLine ());
Console.Write ("Please enter the value of C:");
Double c = Double. Parse (Console.ReadLine ());
if (A! = 0)
{
Double de = b * b-4 * a * C;
if (De < 0)
{
Console.WriteLine ("One-yuan two-time equation has no real roots. ");
}
else if (de = = 0)
{
Double X1 = (-B + math.sqrt (DE))/(A * 2);
Double x2 = (-B + math.sqrt (DE))/(A * 2);
Console.WriteLine ("One-yuan two-time equation has two identical real roots: x1=x1=" + x1);
}
Else
{
Double X1 = (-B + math.sqrt (DE))/(A * 2);
Double x2 = (-b-math.sqrt (DE))/(A * 2);
Console.WriteLine ("Unary two-time equations have two different real roots: x1={0},x2={1}. ", X1, x2);
}
}
Else
{
Console.WriteLine ("A=0, the equation is not a unary two-time equation. ");
}

Standard Weight:
Men's weight = height -100±3
Height-weight-100 =±3
Lady weight = height -110±3
Console.Write ("Excuse me, are you a boy or a girl?") ");
string x = Console.ReadLine ();
if (x = = "Boy")
{
Console.Write ("Please enter your height (cm):");
Double s = Double. Parse (Console.ReadLine ());
Console.Write ("Please enter your weight (kg):");
Double T = Double. Parse (Console.ReadLine ());
if (T > s-100-3 && T < s-100 + 3)
{
Console.WriteLine ("Your body is very standard, please keep it!") ");
}
else if (T < s-100-3)
{
Console.WriteLine ("Your weight is low, oh");
}
Else
{
Console.WriteLine ("Your weight is high oh");
}
}
else if (x = = "Schoolgirl")
{
Console.Write ("Please enter your height (cm):");
Double s = Double. Parse (Console.ReadLine ());
Console.Write ("Please enter your weight (kg):");
Double T = Double. Parse (Console.ReadLine ());
if (T > s-110-3 && T < s-110 + 3)
{
Console.WriteLine ("Your body is very standard, please keep it!") ");
}
else if (T < s-110-3)
{
Console.WriteLine ("Your weight is low, oh");
}
Else
{
Console.WriteLine ("Your weight is high oh");
}
}
Else
{
Console.WriteLine ("The gender you entered is wrong. ");
}

Please enter the year, month, and day separately
Determine if the format is correct
Console.Write ("Please enter the Year:");
int year = Int. Parse (Console.ReadLine ());
if (year >= 0 && year <= 9999)
{
Console.Write ("Please enter the month:");
int month = Int. Parse (Console.ReadLine ());
if (Month > 0 && month <= 12)
{
Console.Write ("Please enter Date:");
int day = Int. Parse (Console.ReadLine ());
if (Day > 0 && Day <= 31)
{
if (month = = 1 | | month = = 3 | | month = = 5 | | month = = 7 | | month = 8 | | month = = | | month = = 12)
{
Console.WriteLine ("The date you entered is: {0} years, {1} months, {2} days. ", year, month, day);
}
else if (month = = 4 | | month = = 6 | | month = = 9 | | month = = 11)
{
if (day = = 31)
{
Console.WriteLine ("You entered the wrong date!") ");
}
Else
{
Console.WriteLine ("You entered the date is:" + year + "years," + Month + "month," + Day + "days.) ");
}
}
Else
{
if (Day <= 28)
{
Console.WriteLine ("The date you entered is: {0} years, {1} months, {2} days. ", year, month, day);
}
else if (day = = 29)
{
if (year% 4 = = 0 && year%!! = 0 | | year% 400 = = 0)
{
Console.WriteLine ("You entered the date is:" + year + "years," + Month + "month," + Day + "days.) ");
}
Else
{
Console.WriteLine ("You entered the wrong date!");
}
}
Else
{
Console.WriteLine ("You entered the wrong date!") ");
}
}
}
Else
{
Console.WriteLine ("You entered the wrong date!") ");
}
}
Else
{
Console.WriteLine ("The Month you entered is incorrect!) ");
}
}
Else
{
Console.WriteLine ("You entered the wrong year!") ");
}

Enter month, enter date number
February defaults to 28 days
The output is the first day of the year
int m1 = to, M2 =, M3 = To, M4 =, M5 = To, M6 =, M7 = to, M8 = to, M9 = 31, M10 =, M11 =: M12
Console.Write ("Please enter the month:");
int m = Int. Parse (Console.ReadLine ());
Console.Write ("Please enter the date:");
int d = Int. Parse (Console.ReadLine ());
Switch (m)//() The name of the variable you want to view--m can be a string or a number
{//Each case followed by a value that might be a value
Case 1://1 If the string is quoted
Console.WriteLine ("Today is this year's first" + d.tostring () + "Day! ");
Break
Case 2:
Console.WriteLine ("Today is the first of the Year" + (M1 + D). ToString () + "Day!" ");
Break
Case 3:
Console.WriteLine ("Today is the first of the Year" + (M1 + m2 + d). ToString () + "Day!" ");
Break
Case 4:
Console.WriteLine ("Today is the first of the Year" + (M1 + m2 + m3 + d). ToString () + "Day!" ");
Break
Case 5:
Console.WriteLine ("Today is the first of the Year" + (M1 + m2 + m3 + m4 + D). ToString () + "Day!" ");
Break
Case 6:
Console.WriteLine ("Today is the first of the Year" + (M1 + m2 + m3 + M4 + M5 + D). ToString () + "Day!" ");
Break
Case 7:
Console.WriteLine ("Today is the first of the Year" + (M1 + m2 + m3 + M4 + M5 + M6 + D). ToString () + "Day!" ");
Break
Case 8:
Console.WriteLine ("Today is the first of the Year" + (M1 + m2 + m3 + M4 + M5 + M6 + M7 + D). ToString () + "Day!" ");
Break
Case 9:
Console.WriteLine ("Today is this year's first" + (M1 + m2 + m3 + M4 + M5 + M6 + M7 + m8 + D). ToString () + "Day!" ");
Break
Case 10:
Console.WriteLine ("Today is this year's first" + (M1 + m2 + m3 + M4 + M5 + M6 + M7 + m8 + M9 + D). ToString () + "Day!" ");
Break
Case 11:
Console.WriteLine ("Today is this year's first" + (M1 + m2 + m3 + M4 + M5 + M6 + M7 + m8 + M9 + M10 + D). ToString () + "Day!" ");
Break
Case 12:
Console.WriteLine ("Today is this year's first" + (M1 + m2 + m3 + M4 + M5 + M6 + M7 + m8 + M9 + M10 + M11 + D). ToString () + "Day!" ");
Break
Default
Console.WriteLine ("You entered the wrong!") ");
Break
}

Please enter an integer within 100 to determine if it is related to seven
Multiples of 1.7 a%7==0
2. Single digit is 7 a%10==7
3.10-digit is 7 a/10==7
Console.Write ("Please enter an integer within 100:");
int x = Int. Parse (Console.ReadLine ());
if (x >= 0 && x <= 100)
{
if (x% 7 = = 0)
{
Console.WriteLine ("The number you entered is a multiple of 7");
}
if (x% 10 = = 7)
{
Console.WriteLine ("The number of digits you enter is 7");
}
if (X/10 = = 7)
{
Console.WriteLine ("The Number 10 digits you entered is 7");
}
}
Else
{
Console.WriteLine ("You are not entering an integer within 100");
}

C # input and output, type, operator, statement exercises