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Showing results for tags 'non-negative integer variable'.
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Hello everyone I read some older topics about arrays here, and found a really clever solution to handleing stockoverflow The user suggested that start from the top of the array, and descend till 0. Naturally one can only use this approach if he knows the exact size of the array. (luckly i do) So my question is, how can I make a variable to be a non-negativ integer? (for example Global $i) Basicly I want it to only descend till 0, but I'm not sure how is the best to go about it. How you guys usualy do this? Thanks (PS.: only posting this, cause I couldn't find this tag otherwise in the forum)
