The task is not about positive or negative integers at all, but rather about odd and even integers. Negative integers can be as divisible by 2 as positive ones.
This array contains more than one positive / negative numbers:
Testing for -159711010,-150121881,-244889,-95345491,160253257,122145841,-126140767,159220857,139174553,-28120875,-162225843,-122028993,-104983753,63378021
Making it imposible to complete the task based on the description...