Tasl: find two elements whose sum equals to some value

[iamantony]

Input:

• array of integers (positive and negative)
• integer value

Output: two array indexes, that point to numbers whose sum equals to value.

We can sort array. If we failed to find such indexes, return negative indexes.

[iamantony]

Done: 14093dd85bd5ea2503523b72a5493f0dc2a944b7