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Sat Oct 02 2021 09:16:05 GMT+0000 (Coordinated Universal Time)
using System;
namespace ConsoleApp1
{
class Program
{
static void Main(string[] args)
{
// Information();
// CountTime();
// CheckMonth();
// sell_sticket();
Count_odd_Number();
}
static void Information()
{
Console.Write("Enter total: ");
int total = int.Parse(Console.ReadLine());
string[] Name = new string[total];
int[] Age = new int[total];
float[] Grade = new float[total];
for (int i = 0; i < total; i++)
{
Console.Write("Enter Name {0}: ", i + 1);
Name[i] = Console.ReadLine();
Console.Write("Enter Age {0}: ", i + 1);
Age[i] = int.Parse(Console.ReadLine());
Console.Write("Enter Grade {0}: ", i + 1);
Grade[i] = float.Parse(Console.ReadLine());
}
for (int i = 0; i < total; i++)
{
Console.WriteLine($"Name {i + 1}: {Name[i]}, Age {i + 1}: {Age[i]}, Grade {i + 1}: {Grade[i]}");
}
for (int i = 0; i < total; i++)
{
if (Grade[i] < 3.0)
{
Console.WriteLine($"Name: {Name[i]} > false");
}
else
{
Console.WriteLine($"Name: {Name[i]} > passed");
}
}
}
static void CountTime()
{
int hour, minute, add;
do
{
Console.Write("Enter Hour: ");
hour = int.Parse(Console.ReadLine());
if(hour > 23 || hour < 0)
{
Console.WriteLine("Enter hour again ! 0h-23h");
}
} while (hour > 23 || hour < 0);
do
{
Console.Write("Enter Minute: ");
minute = int.Parse(Console.ReadLine());
if(minute < 1)
{
Console.Write("Enter minute again! 1-30p");
}
} while (minute < 1);
Console.Write("add minute: ");
add = int.Parse(Console.ReadLine());
minute = minute + add;
if(minute > 59)
{
hour = hour + 1;
if(hour > 23)
{
hour = 00;
}
minute = minute - 60;
}
Console.Write($"Next time is: {hour}:{minute}");
}
static void CheckMonth()
{
int month;
do
{
Console.Write("Enter Moth: ");
month = int.Parse(Console.ReadLine());
if (month <= 0 || month > 12)
{
Console.WriteLine("ERROR!");
}
} while (month <= 0 || month > 12);
switch(month)
{
case 1: Console.WriteLine("January"); break;
case 2: Console.WriteLine("February"); break;
case 3: Console.WriteLine("March"); break;
case 4: Console.WriteLine("April"); break;
case 5: Console.WriteLine("May"); break;
case 6: Console.WriteLine("June"); break;
case 7: Console.WriteLine("July"); break;
case 8: Console.WriteLine("August"); break;
case 9: Console.WriteLine("September"); break;
case 10: Console.WriteLine("October"); break;
case 11: Console.WriteLine("November"); break;
case 12: Console.WriteLine("December"); break;
}
}
static void sell_sticket()
{
string day;
int age, price = 0;
Console.Write("Enter Day: ");
day = Console.ReadLine().ToLower();
do
{
Console.Write("Enter Age: ");
age = int.Parse(Console.ReadLine());
if(age <= 0 || age >= 122)
{
Console.Write("ERROR! enter again");
}
} while (age <= 0 || age >= 122);
switch (day)
{
case "weekday":
if(0 <= age && age <= 18 || 64 < age && age <= 122)
{
price = 12;
}
else
{
price = 18;
}
break;
case "weekend":
if (0 <= age && age <= 18 || 64 < age && age <= 122)
{
price = 15;
}
else
{
price = 18;
}
break;
case "holiday":
if (0 <= age && age <= 18)
{
price = 5;
}
else if (64 < age && age <= 122)
{
price = 10;
}
else
{
price = 12;
}
break;
}
Console.Write($"price: {price}");
}
static void Count_odd_Number()
{
int value, temp, sum = 0;
do
{
Console.Write("Enter value: ");
value = int.Parse(Console.ReadLine());
if(value > 100 || value < 1)
{
Console.Write("Enter value from 1 to 100");
}
} while (value > 100 || value < 1);
for(int i = 1, j = 1; j <= value;i++)
{
temp = i % 2;
if(temp != 0)
{
sum = sum + i;
j++;
}
}
Console.Write($"SUM odd number = {sum}");
}
}
}
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