int inputarray[50] = {1,2,3,4,5}; // etc etc etc

int outOdds[50] = {-1};		 // init them all to -1
int outEvents[50] = {-1};


void findLimits( int* array, int arrayLength, int &outLowest, int &outAvg, int &outHighest )
{
	outLowest = outAvg = outHighest = array[0];

	for (int i=0; i<arrayLength; i++)
	{
		outAvg += array[i];
		if (array[i] < outLowest) outLowest = array[i];
		if (array[i] > outHighest) outHighest = array[i];
	}

	outAvg /= arrayLength;
}


void main()
{
	int oddsIter = 0;
	int evensIter = 0;

	for (int i=0; i<50; i++)
	{
		if (inputarray[i] % 1 == 0)
		{
			outOdds[oddsIter] = inputarray[i];
			oddsIter++;
		}
		else
		{
			outEvens[evensIter] = inputarray[i];
			evensIter++;
		}
	}

	int evenLow, evenAvg, evenHigh;
	int oddLow, oddAvg, oddHigh;

	findLimits(outOdds, oddsIter, oddLow, oddAvg, oddHigh);
	findLimits(outEven, evenIter, evenLow, evenAvg, evenHigh);
}