Comparing to items in an Array c++

Question

alright guys, this should be an easy one...

I have an int array and I want to see if the the numbers in the array are in succession.

For some reason when I do this (below) my array goes from int values to ascii and gets all funky and doesn't work. Any suggestions would be greatly appreciated. In this exampleit should return true.

int numArray[5] = {1,2,3,4,5};

for( int i = 0 ; i < 4 ; i++ )
{

    if ( numArray[i] == numArray[i+1] - 1 )
    {
        continue;
    }
    else
    {
        return false;
    }
}
return true;

int numArray[5]...; numArray.size() is definitely not C++. Please post code the actual code that you're having trouble with. — Praetorian
– Praetorian, Commented Oct 23, 2011 at 3:33
The code you posted is nonsensical, as is your comment about ASCII. Please post an actual, complete program that demonstrates your problem. See sscce.org. — Robᵩ
– Robᵩ, Commented Oct 23, 2011 at 3:34
C++ arrays are not objects like in JavaScript. They don't have a method called size. You'll have to hard code the size of the array or store it in a variable. — Aadit M Shah
– Aadit M Shah, Commented Oct 23, 2011 at 3:35
"my array goes from int values to ascii and gets all funky and doesn't work" is not a very useful error description. — fredoverflow
– fredoverflow, Commented Oct 23, 2011 at 7:46

Salvatore Previti · Accepted Answer · 2011-10-23 03:54:39Z

3

I would write something like this, a little simpler to read.

bool issequential(const int* array, int size)
{
    for (int i = 1; i < size; ++i)
        if (array[i - 1] + 1 != array[i])
            return false;
    return true;
}

answered Oct 23, 2011 at 3:54

Salvatore Previti

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2 Comments

Lexicon Over a year ago

Thanks! I I hate getting caught up in the easy stuff.

Salvatore Previti Over a year ago

Oh thanks, in reality i never used python before, would be nice to see how is this in python, can u provide it just for the sake of curiosity?

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