I am just getting into programing, i am trying to program in python a program that gives me back if the number i put in is divisible by 2 or 3. problem is, everytime i insert number, python gives me the last message of (its not number!) a=input("number: ") if type(a)==int: if a%2==0 and a%3==...

given an unsorted array and a number, N find pairs of numbers in the array such that the sum of the pairs is equal to N with the complexity of NlogN. is it even possible to find such a thing in an unsorted array with a complexity of nlogn? I know we can find if the array is sorted but with an uns...

This is a relatively simple question. I'm trying to golf a Snake game I've written, and I'm trying to work out if there's a way to golf the following conditional assignments which control x and y coordinates of the snake ensuring a wrap around of the play area: if (P<0) { P = T-1; } if (P>T-1) ...

I see a nice, hard, interview question recently. some algorithm was found on Quora, SO, CS but non of them is complete. The Amazon interview question is as follows: suppose we are given a two dimensional array A[1 ..m][1 .. n] in which every row A[i][ ] is sorted, and an integer k. Describe an a...

How do I add two numbers together in C++ without using any semicolons?

Im trying to solve PDE in Matlab and after a few weeks of running the graph plotting, Matlab hit me up with a notice about low graphic issues and since then it couldn't plot the graphics the same, i tried everything their website said, and it doesn't work , can anyone help me?