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Would not expect too much in the way of performance though - there are two expensive operations there, the Split and the Parse.
Well, I was bored. Here's an alternative ugly way to do this without using Split and Parse. Probably faster though.
string mystring = "1234,34,26,6,1,205";
// An array list allows easy management of it items, especially when you
// don't know their type or initial amount
ArrayList numList = new ArrayList();
// Assign a variable to store the sum for the current number
int currSum = 0;
// Run over each character in the string plus one extra for the tailing digit
// (there are a lot of ways of handling the last digit, I chose this one)
for (int i = 0; i < mystring.Length + 1; i++)
{
// Check that we didn't reached a comma (which means move to next number) OR
// that it isn't the last digit.
if (i != mystring.Length && mystring[i] != ',')
{
// Multiply the current sum by ten to add the digit into it's right place.
// (For the first digit of each number, this multiplication is useless)
currSum *= 10;
// Add the current digit - subtract 48 to convert the ASCII char to number
currSum += (int)mystring[i] - 48;
}
else
{
// We have reached a ',' or the last char - add the current sum
numList.Add(currSum);
// Reset the current sum to handle the next number
currSum = 0;
}
}
I would recommend you Mark's way. That's how I would implement it too normally. But if you are bored like me or
very performance greedy, you can do it my way too
. This one can be optimized even more (I'm not that bored)
