array check and comparison

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how do i compare characters of two arrays before adding elements from one of the arrays into the other, inorder to ensure that if the characters already exist in the destination array, then that character should not be copied into it?

Posted 19-Nov-12 4:41am

lamogha

Updated 19-Nov-12 22:05pm

TorstenH.

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Nelek 19-Nov-12 11:21am

What type of data are you actually speaking about? How about the length of the arrays / volumen of data?

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Nelek · Answer 1 · 2012-11-19T05:26:00

As far as the arrays are not too long and that the type of data can be compared with == operator

You can use two for loops one nested into the another one. Actually the same operation than going through a 2-dimensional array[i][j]

C#

bool error = false;
for (int i=0; i < length_a; i++)
{
   for (int j=0; j < length_b; j++)
   {
      if (array_a[i]== array[b] array_b[j])
      {
         error = true;
         break;
      }
   }
}

if (error == false)
{
   // No match found, do whatever you need to
}

[edit] array[b] corrected to array_b[j] [/edit]

array check and comparison

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array check and comparison

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