The n-queens problem is about finding how many different ways queens can be placed on a chessboard so that none attack each other. A mathematician has now all but solved it. If you have a few chess ...

If you have a few chess sets at home, try the following exercise: Arrange eight queens on a board so that none of them are attacking each other. If you succeed once, can you find a second arrangement?

Here is a full guide on how you can fix the error code 0xC0000005 (0x0) N in COD Black Ops Cold War. Black Ops Cold War is a great addition to the Call of Duty ...