//------------------------------
1.
Determine if any two integers in array equal to sum
of given number
public static string CheckArraySum(int[] ar, int found)
{
for
(int i = 0; i <= ar.Length -
1; i++)
{
for (int j = i+1; j<= ar.Length -
1; j++)
{
if (ar[i] + ar[j] == found)
{
return "Sum Exist ! Values
are " + ar[i] + " " + ar[j];
}
}
}
return " Value
"+ found +"Not in array ";
}
//-----------------------------------------------------------------------------------
static void Main(string[] args)
{
Console.WriteLine("Determine if any two intergers in array equal to sum
of given number \n");
Console.WriteLine("Enter array Size");
int
arraysize = Convert.ToInt32(Console.ReadLine());
int[]
arr = new int[arraysize];
Console.WriteLine("Enter the array Value");
for
(int i = 0; i <= arraysize -
1; i++)
{
arr[i]= Convert.ToInt32(Console.ReadLine());
}
Console.WriteLine("Enter the value you want find");
int
val = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("Result"+ Program.CheckArraySum(arr,
val));
Console.ReadLine();
}
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