Write a program in C# Sharp to display the sum of the series [ 9 + 99 + 999 + 9999 ...]
- برمجة سي شارب
- برمجة
- 2021-05-17
- MarwaMohammed
الأجوبة
using System;
public class Exercise21
{
public static void Main()
{
int n,i,t=9;
int sum =0;
Console.Write("\n\n");
Console.Write("Display the sum of the series [ 9 + 99 + 999 + 9999 ...]:\n");
Console.Write("-----------------------------------------------------------");
Console.Write("\n\n");
Console.Write("Input the number or terms :");
n= Convert.ToInt32(Console.ReadLine());
for (i=1;i<=n;i++)
{ sum +=t;
Console.Write("{0} ",t);
t=t*10+9;
}
Console.Write("\nThe sum of the saries = {0} \n",sum);
}
}
أسئلة مشابهة
القوائم الدراسية التي ينتمي لها السؤال