Principales diferencias entre ObjectiveC y swift

First round was Aptitude question which are very easy.Then in 2nd round they asked 3 coding question offline means you have to use your own ide. There is 3 set of questions. So in my set 1st question about to print given array of positive numbers in a<b>c<d manner in O(n) complexity. The 2nd question is about to find k max in array and print them so its very easy…